Damtjern — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Damtjern, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Damtjern today is 11.5°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
❌ As of today, the minimum water temperature ranges from 50°F (10°C) to 54°F (12°C). The water is slightly warmer, but still cool for most people. Swimming in such conditions is possible, but for most people, the time spent in the water should be limited to avoid hypothermia. Even experienced swimmers may feel discomfort if they stay in the water for too long. To improve comfort and safety, a wetsuit 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 | 12.2°C | 14.0°C | |
| SEP 15 | 12.7°C | 14.0°C | |
| SEP 16 | 12.5°C | 14.0°C | |
| SEP 17 | 12.2°C | 14.0°C | |
| SEP 18 | 12.0°C | 14.0°C | |
| SEP 19 | 11.9°C | 14.0°C | |
| SEP 20 | 11.7°C | 14.0°C | |
| SEP 22 | 14.0°C | 11.6°C | |
| SEP 23 | 14.0°C | 11.8°C | |
| SEP 24 | 14.0°C | 11.9°C | |
| SEP 25 | 14.0°C | 12.0°C | |
| SEP 26 | 14.0°C | 12.1°C | |
| SEP 27 | 14.0°C | 12.3°C | |
| SEP 28 | 14.0°C | 12.4°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 | 3°C |
| February | 0°C | 2°C | 3°C |
| March | 0°C | 0°C | 4°C |
| April | 0°C | 3°C | 6°C |
| May | 4°C | 9°C | 14°C |
| June | 8°C | 15°C | 21°C |
| July | 11°C | 17°C | 22°C |
| August | 12°C | 18°C | 23°C |
| September | 9°C | 14°C | 20°C |
| October | 3°C | 7°C | 10°C |
| November | 0°C | 3°C | 6°C |
| December | 0°C | 0°C | 4°C |
Damtjern: Water Temperature by Location
Damtjern: Weather Forecast
September 21
September 22
September 23
September 24
September 25
September 26
Location & Local Information
Damtjern is a small lake in Buskerud County, Norway, known for its quiet setting and clear water. Seasonal water temperatures vary widely: in spring (April–May) the surface often ranges from about 0–8 °C (32–46 °F) as ice melts and runoff cools the basin. Summer (June–August) brings the warmest conditions, typically around 14–20 °C (57–68 °F) at the surface on sunny days, though shallow bays can warm slightly higher. In autumn (September–October) temperatures generally fall back to roughly 6–12 °C (43–54 °F) before the lake begins to freeze. Winter months usually see ice cover and temperatures hovering at or below 0 °C (32 °F), making open-water swimming impractical.
Swimming at Damtjern is generally permitted, reflecting Norway’s public right of access (allemannsretten) and the lack of specific prohibitions at many small lakes. Many visitors swim in summer when surface temperatures are comfortable, but there are no lifeguards or formal facilities, so swimmers should be cautious about sudden changes in weather, cold-water shock, and local depth or underwater obstacles. Water quality is often good in upland Norwegian lakes, but seasonal runoff or algal growth can affect conditions, so checking local guidance or signage before swimming is advisable.