Lillehammer — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Lillehammer, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Lillehammer today is 9.7°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 13 | 10.5°C | 13.0°C | |
| SEP 14 | 10.8°C | 13.0°C | |
| SEP 15 | 10.9°C | 13.0°C | |
| SEP 16 | 10.7°C | 13.0°C | |
| SEP 17 | 10.5°C | 13.0°C | |
| SEP 18 | 10.3°C | 13.0°C | |
| SEP 19 | 10.3°C | 13.0°C | |
| SEP 20 | 10.0°C | 13.0°C | |
| SEP 21 | 13.0°C | 9.9°C | |
| SEP 22 | 13.0°C | 10.0°C | |
| SEP 23 | 13.0°C | 10.2°C | |
| SEP 24 | 13.0°C | 10.4°C | |
| SEP 25 | 13.0°C | 10.5°C | |
| SEP 26 | 13.0°C | 10.7°C | |
| SEP 27 | 13.0°C | 10.9°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 | 1°C | 4°C |
| February | 0°C | 0°C | 3°C |
| March | 0°C | 0°C | 3°C |
| April | 0°C | 2°C | 5°C |
| May | 3°C | 8°C | 12°C |
| June | 8°C | 12°C | 17°C |
| July | 11°C | 16°C | 20°C |
| August | 11°C | 16°C | 20°C |
| September | 9°C | 13°C | 18°C |
| October | 3°C | 7°C | 9°C |
| November | 0°C | 3°C | 6°C |
| December | 0°C | 1°C | 4°C |
Lillehammer: Weather Forecast
September 21
September 22
September 23
September 24
September 25
September 26
Location & Local Information
Lillehammer sits on the northern shore of Lake Mjøsa in Innlandet County, and the lake’s surface temperatures vary widely through the year. In spring, after ice melt, water is typically very cold, often in the range of about 0–8 °C (32–46 °F). Summer brings the warmest conditions, with typical surface temperatures around 18–24 °C (64–75 °F) on sunny, calm days; occasional heat spells can push readings a bit higher. In autumn the water cools again to roughly 8–15 °C (46–59 °F) as air temperatures fall. Winter temperatures are close to freezing, generally around 0–4 °C (32–39 °F) at the surface and often accompanied by ice cover that makes open-water swimming impractical or unsafe.
Swimming in and around Lillehammer is allowed and commonly enjoyed during the warmer months because public access to the shoreline and municipal bathing facilities provide places to enter the water. Summers offer the most comfortable and safe conditions for casual swimming, while shoulder seasons and winter are cold and require caution; some people practice supervised ice swimming in winter but that demands proper safety measures. Local authorities monitor bathing sites and sometimes provide lifeguards at popular beaches in peak season, so checking current conditions and observing safety advice is advisable before entering the lake.