Lyseren Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Lyseren Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Lyseren Lake 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 14 | 13.7°C | 18.0°C | |
| SEP 15 | 14.1°C | 18.0°C | |
| SEP 16 | 14.0°C | 18.0°C | |
| SEP 17 | 13.7°C | 18.0°C | |
| SEP 18 | 13.5°C | 18.0°C | |
| SEP 19 | 13.4°C | 18.0°C | |
| SEP 20 | 13.3°C | 18.0°C | |
| SEP 22 | 18.0°C | 13.3°C | |
| SEP 23 | 18.0°C | 13.6°C | |
| SEP 24 | 18.0°C | 13.8°C | |
| SEP 25 | 18.0°C | 14.1°C | |
| SEP 26 | 18.0°C | 14.3°C | |
| SEP 27 | 18.0°C | 14.6°C | |
| SEP 28 | 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 | 3°C | 6°C |
| February | 0°C | 3°C | 6°C |
| March | 0°C | 4°C | 7°C |
| April | 2°C | 7°C | 11°C |
| May | 7°C | 12°C | 18°C |
| June | 10°C | 18°C | 24°C |
| July | 16°C | 22°C | 27°C |
| August | 16°C | 22°C | 27°C |
| September | 12°C | 18°C | 23°C |
| October | 7°C | 11°C | 14°C |
| November | 3°C | 7°C | 10°C |
| December | 0°C | 4°C | 7°C |
Lyseren Lake: Water Temperature by Location
Lyseren Lake: Weather Forecast
September 21
September 22
September 23
September 24
September 25
September 26
Location & Local Information
Lyseren, a freshwater lake in Akershus County, typically shows pronounced seasonal variation in surface temperature. In spring (April–May) surface waters usually range from about 4–12 °C (39–54 °F) as the lake slowly warms after ice break-up. Summer months (June–August) are the warmest, with typical surface temperatures around 17–24 °C (63–75 °F) on calm, sunny days, though deeper layers remain cooler. In early autumn (September–October) temperatures generally fall to 6–14 °C (43–57 °F) as cooling and turnover begin. In winter the lake often approaches freezing, with surface temperatures around 0–4 °C (32–39 °F) and with ice cover in cold spells; these values are indicative and vary by year, weather and exact location on the lake.
Swimming in Lyseren is commonly practiced in summer and is generally permitted, reflecting Norway’s tradition of public access to natural areas and the lake’s seasonal suitability for bathing. Many people use designated bathing spots or beaches when water is warmest; however safety considerations are important. Cold water in spring and autumn increases the risk of cold shock and hypothermia, there are typically no lifeguards, and local factors such as boat traffic, sudden depth changes or algal blooms can affect safety. Ice swimming is possible in winter but should only be attempted with proper equipment, tested ice thickness and experienced supervision.