Ljusnaren Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Ljusnaren Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Ljusnaren Lake today is 5°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
❌ As of today, the minimum water temperature ranges less than 41°F (5°C). Such water is extremely cold and not recommended for swimming without proper preparation. In these conditions, the risk of hypothermia is very high, and prolonged exposure to the water can be hazardous to your health. If you decide to swim, it is important to have the appropriate gear, such as a wetsuit. Typically, only experienced swimmers or those who practice winter swimming venture into such waters. 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 |
|---|---|---|---|
| APR 11 | 3.5°C | 6.5°C | |
| APR 12 | 3.5°C | 6.5°C | |
| APR 13 | 3.5°C | 6.5°C | |
| APR 14 | 4.0°C | 6.5°C | |
| APR 15 | 4.2°C | 6.5°C | |
| APR 16 | 4.2°C | 6.5°C | |
| APR 17 | 4.0°C | 6.5°C | |
| APR 18 | 5.0°C | 6.5°C | |
| APR 19 | 6.5°C | 5.1°C | |
| APR 20 | 6.5°C | 5.2°C | |
| APR 21 | 6.5°C | 5.2°C | |
| APR 22 | 6.5°C | 5.3°C | |
| APR 23 | 6.5°C | 5.4°C | |
| APR 24 | 6.5°C | 5.5°C | |
| APR 25 | 6.5°C | 5.5°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 | 13°C | 19°C | 24°C |
| July | 17°C | 22°C | 27°C |
| August | 17°C | 22°C | 27°C |
| September | 12°C | 18°C | 23°C |
| October | 7°C | 11°C | 14°C |
| November | 2°C | 6°C | 10°C |
| December | 0°C | 4°C | 7°C |
Ljusnaren Lake: Water Temperature by Location
Ljusnaren Lake: Weather Forecast
April 19
April 20
April 21
April 22
Location & Local Information
Ljusnaren is a lake in Örebro County, Sweden, where water temperatures follow the typical seasonal pattern for mid-Swedish inland lakes. In spring (April–May) the surface usually warms from around 4–12 °C (39–54 °F) as ice melts and solar heating increases. Summer surface temperatures (June–August) commonly range between 15–22 °C (59–72 °F), with shallow bays sometimes reaching the upper end of that scale on warm, calm days. In autumn (September–October) the lake cools back to roughly 5–15 °C (41–59 °F), and in winter the lake is usually at or below 4 °C (39 °F) when ice cover forms; deep water remains colder. Local factors such as depth, wind exposure, and recent weather can cause notable short-term variation.
Swimming in Ljusnaren is generally possible and commonly practiced in summer because surface temperatures are often comfortable for bathing. Sweden’s public access rights mean there are few formal swimming bans, but whether a particular spot is suitable depends on conditions: water temperature, currents near inlets, underwater hazards, and the absence of lifeguards should be considered. Winter swimming is only advisable for experienced, well-prepared people due to hypothermia risk and ice safety issues. It is sensible to check local guidance or municipal water quality information before swimming.