Derwent Reservoir, North East England — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Derwent Reservoir, North East England, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Derwent Reservoir, North East England today is 13.1°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 54°F (12°C) to 60°F (15°C). The water is significantly warmer, and swimming becomes possible for most people. However, caution may still be required for prolonged stays in the water, as extended exposure can cause discomfort. This is a suitable temperature range for short swims and for those accustomed to cooler water. For more comfortable swimming, it is recommended to use proper gear. It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.
Water Temperature Chart Over the Last 30 Days
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| SEP 16 | 14.4°C | 18.0°C | |
| SEP 17 | 14.2°C | 18.0°C | |
| SEP 18 | 14.0°C | 18.0°C | |
| SEP 19 | 14.1°C | 18.0°C | |
| SEP 20 | 13.9°C | 18.0°C | |
| SEP 21 | 13.7°C | 18.0°C | |
| SEP 22 | 13.6°C | 18.0°C | |
| SEP 23 | 13.1°C | 18.0°C | |
| SEP 24 | 18.0°C | 13.3°C | |
| SEP 25 | 18.0°C | 13.6°C | |
| SEP 26 | 18.0°C | 13.8°C | |
| SEP 27 | 18.0°C | 14.1°C | |
| SEP 28 | 18.0°C | 14.3°C | |
| SEP 29 | 18.0°C | 14.6°C | |
| SEP 30 | 18.0°C | 14.8°C |
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast
Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.
Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts to enhance accuracy.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 0°C | 4°C | 7°C |
| February | 0°C | 4°C | 7°C |
| March | 2°C | 6°C | 9°C |
| April | 5°C | 9°C | 12°C |
| May | 9°C | 14°C | 20°C |
| June | 12°C | 19°C | 25°C |
| July | 15°C | 21°C | 26°C |
| August | 15°C | 21°C | 26°C |
| September | 12°C | 18°C | 23°C |
| October | 8°C | 12°C | 15°C |
| November | 4°C | 8°C | 11°C |
| December | 0°C | 4°C | 7°C |
Derwent Reservoir, North East England: Water Temperature by Location
Derwent Reservoir, North East England: Weather Forecast
September 23
September 24
September 25
September 26
September 27
Location & Local Information
#County Durham
Derwent Reservoir in County Durham typically stays cool through the year. In winter the surface can hover around 0–4°C (32–39°F), early spring often sees 4–12°C (39–54°F), summer warms to roughly 14–20°C (57–68°F) on warmer spells, and autumn brings temperatures back down to about 6–14°C (43–57°F). These figures vary with weather, depth and wind; deeper water remains colder than the surface, and sudden changes in conditions can make temperatures feel much lower.
Swimming at the reservoir is generally discouraged or subject to local restrictions rather than actively promoted. Reasons include very cold water, hidden currents and underwater hazards, and the reservoir’s role in water supply and flood management, so landowners and water companies often advise against unsupervised bathing. Nevertheless, some experienced wild swimmers do enter at their own risk where access allows, following safety precautions and signage. The area is popular for walking, cycling, birdwatching and enjoying moorland scenery, with nearby small villages, historic features and countryside trails offering additional interest.