Slidrefjorden — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Slidrefjorden, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Slidrefjorden today is 10°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
❌ As of today, the minimum water temperature ranges from 47°F (8°C) to 50°F (10°C). This is still cool water, suitable only for experienced swimmers or those accustomed to cold water. Swimming in such conditions is possible, but not recommended for prolonged periods. Extra caution should be taken during extended exposure, as the cold water can cause heat loss and lead to hypothermia. For added comfort, special clothing can be used. 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 14 | 11.7°C | 15.0°C | |
| SEP 15 | 11.7°C | 15.0°C | |
| SEP 16 | 11.3°C | 15.0°C | |
| SEP 17 | 11.0°C | 15.0°C | |
| SEP 18 | 10.8°C | 15.0°C | |
| SEP 19 | 10.8°C | 15.0°C | |
| SEP 20 | 10.3°C | 15.0°C | |
| SEP 21 | 10.0°C | 15.0°C | |
| SEP 22 | 15.0°C | 10.3°C | |
| SEP 23 | 15.0°C | 10.5°C | |
| SEP 24 | 15.0°C | 10.8°C | |
| SEP 25 | 15.0°C | 11.0°C | |
| SEP 26 | 15.0°C | 11.3°C | |
| SEP 27 | 15.0°C | 11.5°C | |
| SEP 28 | 15.0°C | 11.8°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 | 2°C | 5°C |
| February | 0°C | 2°C | 4°C |
| March | 0°C | 2°C | 4°C |
| April | 0°C | 3°C | 6°C |
| May | 3°C | 9°C | 14°C |
| June | 8°C | 14°C | 20°C |
| July | 13°C | 19°C | 24°C |
| August | 13°C | 19°C | 24°C |
| September | 10°C | 15°C | 21°C |
| October | 4°C | 8°C | 11°C |
| November | 0°C | 4°C | 7°C |
| December | 0°C | 2°C | 5°C |
Slidrefjorden: Water Temperature by Location
Slidrefjorden: Weather Forecast
September 22
September 23
September 24
September 25
September 26
Location & Local Information
Slidrefjorden, a freshwater lake in Innlandet County, experiences pronounced seasonal variation in surface water temperature. During winter the lake typically approaches freezing with temperatures around 0–4 °C (32–39 °F) under ice cover. In spring, as snowmelt and runoff warm the water, surface values commonly range from about 4–12 °C (39–54 °F). The warmest period is midsummer, when sheltered, shallow areas can reach roughly 14–20 °C (57–68 °F) on average and may climb a few degrees higher in heatwaves; deeper or wind-exposed parts remain cooler. In autumn the water cools again to approximately 6–12 °C (43–54 °F) as air temperatures fall and stratification breaks down. Temperatures vary with depth, exposure, and recent weather, so measurements at one spot do not represent the whole lake.
Swimming in Slidrefjorden is commonly practised in summer where there is public access, beaches, and boat ramps, and is generally allowed for recreational use. Many people prefer short dips or wetsuits because even summer temperatures can feel brisk compared with more temperate climates. Open-water swimming in winter requires specialist knowledge and safety measures if done through ice. As with any natural lake, swimmers should be mindful of sudden depth changes, currents near inflows or outlets, boat traffic, and local guidance for safe access.