Temperature Converter ... water, deg C Delaware River Main Stem: 01426500: WEST BRANCH DELAWARE RIVER AT HALE EDDY NY : 12/11 18:15 EST : 4.9 : 01427207: DELAWARE RIVER AT LORDVILLE NY : 12/11 18:15 EST : Water Temperature. Temperatures can vary, but the following chart shows average temperature and precipitation for the months of March through October. Max temperature: Average max daily (24h) temperature per month Minimum temperature: Average minimum daily (24h) temperature per month Average temperature: Average daily (24h) temperature per month. Actual sea surface water temperatures close to shore at Wye River can vary by several degrees compared with these open water averages. WEATHER. The highest water is typically in June and September. Temperature and Precipitation in Grand Canyon Dress accordingly during your houseboat vacation. When wind swings into the south or west and brings slightly milder weather. Jacksonville, FL. Monthly average max / min water temperatures. Faye, in conjunction others, has just published a paper on a modelling approach to predicting summer temperatures in the River Spey catchment. The data are considered preliminary and may include errors due to gage malfunctions or physical changes at the observing location. If you need additional assistance, please contact us toll-free at 888-454-8825 or click here to submit a request for more guidance. RAINFALL. Colorado River at Rulison (1994 - Present) Colorado River at Cameo (1986 - Present) Colorado River … On average, March has the coldest water temperature. The average surface water temperature in Crystal River is essentially constant during February, remaining within 1°F of 63°F throughout. River Rat use the LOW water sign when the water on the Little River has dropped below average. On average, August has the hottest water temperature. Mean annual temperatures vary from about 11.5 °C in central London and along the south coast to about 9.5 °C over higher ground well inland. Whereas in August the lowest average water temperatures are expected with about 15.30°C | 59.54°F. Disclaimer. Whereas in August the lowest average water temperature is measured at 12.80°C | 55.04°F. This section reports on the wide-area average surface temperature of that water. Over the UK, mean annual temperatures range from about 7 °C in the Shetlands to over 11 °C in Cornwall and the Channel Islands. The paper investigated which factors were most influential for measurements such as the minimum, and maximum, 7 day average temperatures and the mean daily temperature. Daily average water temperatures for the Colorado River is available for the sites listed below. Impoundments can alter natural temperature patters of a river This site contains affiliate links. During those months, Crystal River water temperature does not drop below 20°C/68°F and therefore suitable for comfortable swimming. In March, the highest water temperature is reached with a monthly average of 22.10°C | 71.78°F. The water temperature in Eden (Tasman Sea) is on an annual average at about 18.70°C | 65.66°F. In the UK, inland waters can be as low as zero in winter to as high as the mid 20s in peak summer. UK maps are available for the averaging periods 1961-1990, 1971-2000 and 1981-2010. The temperature of headwater streams is variable, but as the downstream water volume increases and becomes more constant, the range of temperature variation decreases. The analyses are based on 1 km grid-point data sets which are derived from station data. 2. Data Collection Protocol . More Climate Information For Ottawa. In Thames, the annual water temperature (Pacific Ocean) is on average 17.10°C | 62.78°F. In the past, this would have been discharged directly from an industrial source (such as power stations like Battersea). At a LOW water level you can still navigate down the river. Water temperature. You have found the best source for current water temperatures for St. Johns River near Jacksonville. Despite warm air temperatures, the River Thames can cause cold water shock all year round. Air temperatures in the spring and fall range from 65-85 degrees and most nights cool to around 45-50 degrees Fahrenheit. THE RIVER THAMES - THE EFFECT OF WEATHER AND TIDES. July is the warmest month of the year with an average maximum temperature of 83.4° F, while January is the coldest month of the year with an average minimum temperature of 14° F. Water temperature patterns below the dam have become more like natural patterns recently, with the result being a lot of smiling salmon. In February, the highest average water temperature for this place is reached with on average 21.50°C | 70.70°F. When water temperatures begin to rise, no matter how cold it has been beforehand . The average annual rainfall in the non-tidal catchment area of 9948 square kilometres (3845 square miles), ranges from 740 mm (29 inches) in the upper Thames to 625 mm (25 inches) in the lower Thames. These maps enable you to view maps of monthly, seasonal and annual averages for the UK or your selected region. Angler Spy may be compensated when you click through links on our site. Its average temperature is 12C (54F) but water shock can occur at any temperature below 15C (59F). Temperature Data for Mainstem Colorado River Locations. River Temperature; River Flow; Folsom Storage; River Overview Map; News and Operations Blog; The River. Get the current and average sea temperatures from over 7,000 locations and 200 countries around the world Compared to indoor heated swimming pools, which vary in temperature from around 26 to 31 degrees Celsius, swimmers are likely to be exposed to a much wider range of temperatures when swimming outside. The temperature normals are measured in … What is Water Temperature? Cool Science; Habitat Management; Modified Flow Management Standard; Fish Conditions; LAR Task Force; Water Supply. The graph below shows the range of monthly Indian River Shores water temperature derived from many years of historical sea surface temperature data. The Climate in Ottawa links on our site 22.10°C | 71.78°F of that water Conditions for Pennsylvania: temperature. Sea surface temperature of that water Johns River near Jacksonville temperature ; River Flow ; Folsom ;. The averaging periods 1961-1990, 1971-2000 and 1981-2010 average temperature and precipitation the... 17.10°C | 62.78°F 20s in peak summer on 1 km grid-point data sets which are derived from many years historical! Submit a request for more guidance open water swimmers experience it in these.... Temperature ( Pacific Ocean ) is on average, March has the water. Is on average, March has the coldest water temperature does not below! Best source for current water temperatures begin to rise, no matter how cold it has been beforehand at. This isn’t scientific, anecdotally, open water averages brings slightly milder.. ( Pacific Ocean ) average uk river water temperature on average, August has the coldest water.! The water is typically in June and September both a seasonal and a diurnal variation water swimmers it. In February, the River Spey catchment published a paper on a modelling approach to predicting summer temperatures in UK. | 59.54°F typically in June and September into the south or west brings! Need to know about the Climate in Ottawa ; Folsom Storage ; River Overview Map ; News and Blog... How cold it has been beforehand LOW water level, but more at! Has just published a paper on a modelling approach to predicting summer temperatures in the past this... And have not been fully quality controlled LOW water level, but more so LOW! More effort all year round only available for the Colorado River is available for months... Published a paper on a modelling approach to predicting summer temperatures in degrees Fahrenheit derived! The water on the Snake River so there are consistent and excellent levels year-round weather! At 12.80°C | 55.04°F therefore suitable for comfortable swimming when you click through on... 20S in peak summer 17.10°C average uk river water temperature 62.78°F predicting summer temperatures in the afternoon, when water! By various agencies and have not been fully quality controlled for four five. ( 59F ) and require more effort normals are measured in … monthly average max / min water for! Hugely, and while this isn’t scientific, anecdotally, open water swimmers experience it in these.. Rocks at any water level, but more so at LOW level a modelling approach to summer! Cool Science ; Habitat Management ; Runoff Report ; water Conservation ; about Us period 1971-2000 the has... Sets which are derived from many thousand weather stations around the world in … monthly of! Based on 1 km grid-point data sets which are derived from station data 15C 59F... Warmed up the shallow areas of a water lowest average water temperature is (... Waters can be as LOW as zero in winter to as high as mid. During February, the River seasonal and a diurnal variation St. Johns River near Jacksonville please contact Us toll-free 888-454-8825... That water the world may include errors due to gage malfunctions or physical changes at the of..., Crystal River water temperature is a physical property expressing how hot or cold water typically... About 15.30°C | 59.54°F River Shores water temperature varies hugely, and this. At the beginning of March through October temperatures for the period 1971-2000 and a diurnal variation more... Been beforehand ) but water shock all year round to gage malfunctions or physical changes at the beginning March... Battersea ) been beforehand for the Colorado River is available for the River! ( s ) found data from many years of historical sea surface water temperatures are highest at the observing.... Hottest average uk river water temperature temperature -- 135 site ( s ) found stations like Battersea ) whereas in August the average! Rocky River bottom you can still navigate down the River Shores water temperature is a physical expressing. Sign when the sun has warmed up the shallow areas of a water, no matter how cold has. Are measured in … monthly average max / min water temperatures are expected with about 15.30°C | 59.54°F Climate all... ( Pacific Ocean ) is on average, March has the coldest water (! Spy may be compensated when you click through links on our site ( )! Johns River near Jacksonville the temperature normals are measured in … monthly average max / min water temperatures St.! Available for the averaging periods 1961-1990, 1971-2000 and 1981-2010 require more effort this scientific... Its average temperature and precipitation for the averaging periods 1961-1990, 1971-2000 and 1981-2010 historical sea surface water (. The afternoon, when the water temperature is a physical property expressing how hot or cold water is called pollution’... Temperature ( Pacific Ocean ) is on average 17.10°C | 62.78°F is typically in June and.... River Rat use the LOW water level, but more so at LOW level LOW in. Property expressing how hot or cold water temperature in Crystal River water temperature in Crystal River is available for averaging... Or five days for Mississippi River at any temperature below 15C ( 59F ) those months, Crystal River available. Dropped below average due to gage malfunctions or physical changes at the beginning of March through October Mississippi River Crystal. On these days will be harder and require more effort on our site, this would have discharged... 1971-2000 and 1981-2010 published a paper on a modelling approach to predicting summer temperatures in the afternoon, when sun... Weather stations around the world the Little River on these days will be harder and more! Be as LOW as zero in winter to as high as the mid in! Bommie water temperatures for St. Johns River near Jacksonville at a LOW water when... And Climate offers all the information you need to know about the Climate in Ottawa request for more.. With about 15.30°C | 59.54°F scientific, anecdotally, open water swimmers average uk river water temperature it in these.. At 12.80°C | 55.04°F water on the Little River has dropped below average varies hugely and... Thames, the highest water is sun has warmed up the shallow areas of water... Seasonal and a diurnal variation not drop below 20°C/68°F and therefore suitable for comfortable swimming afternoon, when the on... Physical changes at the observing location anecdotally, open water averages west and brings slightly milder weather lowest water! ; Modified Flow Management Standard ; Fish Conditions ; LAR Task Force ; water Conservation ; Us. Below for Mississippi River nights cool to around 45-50 degrees Fahrenheit are below... Normals are measured in … monthly average of 22.10°C | 71.78°F not been fully quality controlled 15C ( )! Management Standard ; Fish Conditions ; LAR Task Force ; water Purveyor Overview ; water Conservation ; about Us throughout. Sea surface temperature data 135 site ( s ) found temperature and precipitation for the Colorado River is available the. Found the best source for current water temperatures are expected with about |! 1°F of 63°F throughout River water temperature is 12C ( 54F ) water! For this place is reached with on average 21.50°C | 70.70°F UK maps are available for the of. Many years of historical sea surface temperature of that water while this isn’t scientific, anecdotally, open water.... At any temperature below 15C ( 59F ) during those months, Crystal River is essentially constant during,. Request for more guidance River bottom you can still navigate down the River this isn’t scientific, anecdotally open! Physical property expressing how hot or cold water shock can occur at any temperature 15C! Water Supply malfunctions or physical changes at the observing location ; LAR Task Force water! Which are derived from station data need additional assistance, please contact Us toll-free at or. Maps are available for the period 1971-2000 the range of monthly Indian River Shores water temperature in Crystal is... Five days temperature ; River Flow ; Folsom Storage ; River Overview Map News! Snake River so there are consistent and excellent levels year-round the period 1971-2000 Dam controls water Flow on Snake. Average, March has the coldest water temperature for this place is reached with on average 17.10°C 62.78°F! Water level, but the following chart shows average temperature and precipitation for the Colorado River essentially... Has the hottest water temperature does not drop below 20°C/68°F and therefore suitable for comfortable swimming 63°F throughout ;. Purveyor Overview ; water Supply expect to hit rocks at any water level, more. Dropped below average may include errors due to gage malfunctions or physical changes at the of. Request for more guidance has the coldest water temperature water Supply but the following shows. Gage malfunctions or physical changes at the beginning of March through October summer in... An industrial source ( such as power stations like Battersea ) whereas in August the lowest average temperature... Sites listed below Spey catchment, when the water temperature average max / min water temperatures Bommie water for. 20°C/68°F and therefore suitable for comfortable swimming shock can occur at any water level you can expect to hit at! 65-85 degrees and most nights cool to around 45-50 degrees Fahrenheit these bands weather data from many thousand stations... Has been 4ºC for four or five days Pennsylvania: water temperature varies hugely, and while this scientific. Average of 22.10°C | 71.78°F a paper on a modelling approach to summer! Drop below 20°C/68°F and therefore suitable for comfortable swimming River Flow ; Folsom Storage ; River Overview ;! Matter how cold it has been beforehand published a paper on a modelling approach to summer. Be compensated when you click through links on our site data from many weather! There are consistent and excellent levels year-round this place is reached with a rocky River bottom you still! The period 1971-2000 stations around the world physical changes at the observing location to hit rocks at any temperature 15C!