Vänern Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Vänern Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Vänern Lake today is 19.8°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 65°F (18°C) to 68°F (20°C). This is already quite warm water, which is ideal for most people. Swimming becomes comfortable, and prolonged stays in the water do not cause discomfort. This temperature is perfect for family trips and for those who prefer warmer water. It is also comfortable for water sports such as surfing or swimming. 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 |
|---|---|---|---|
| AUG 3 | 20.1°C | 20.0°C | |
| AUG 4 | 20.1°C | 20.0°C | |
| AUG 5 | 20.1°C | 20.0°C | |
| AUG 6 | 20.1°C | 20.0°C | |
| AUG 7 | 20.1°C | 20.0°C | |
| AUG 8 | 20.1°C | 20.0°C | |
| AUG 9 | 19.8°C | 20.0°C | |
| AUG 10 | 19.8°C | 20.0°C | |
| AUG 11 | 20.0°C | 19.8°C | |
| AUG 12 | 20.0°C | 19.8°C | |
| AUG 13 | 20.0°C | 19.8°C | |
| AUG 14 | 20.0°C | 19.8°C | |
| AUG 15 | 20.0°C | 19.9°C | |
| AUG 16 | 20.0°C | 19.9°C | |
| AUG 17 | 20.0°C | 19.9°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 | 3°C | 6°C |
| February | 0°C | 3°C | 6°C |
| March | 0°C | 4°C | 7°C |
| April | 4°C | 8°C | 11°C |
| May | 8°C | 13°C | 19°C |
| June | 13°C | 19°C | 24°C |
| July | 16°C | 21°C | 26°C |
| August | 14°C | 20°C | 25°C |
| September | 11°C | 17°C | 22°C |
| October | 6°C | 10°C | 13°C |
| November | 3°C | 7°C | 10°C |
| December | 0°C | 4°C | 7°C |
Vänern Lake: Water Temperature by Location
Vänern Lake: Weather Forecast
August 11
August 12
August 13
August 14
August 15
Location & Local Information
Lake Vänern (Swedish: Vänern) in Västra Götaland County is Sweden’s largest lake and shows marked seasonal variation in surface temperature. During winter months temperatures commonly range from about 0 to 4 °C (32 to 39 °F), and parts of the lake can freeze in cold winters. In spring the surface typically warms to roughly 2 to 10 °C (36 to 50 °F) as meltwater and cooler air persist. Summer sees the warmest conditions, with average surface temperatures often between 15 and 22 °C (59 to 72 °F) and sheltered bays occasionally reaching 23–24 °C (73–75 °F) in warm years. Autumn brings cooling waters, commonly 8 to 14 °C (46 to 57 °F) before winter sets in.
Swimming in Vänern is generally allowed and popular at many designated bathing spots and public beaches; Sweden’s tradition of public access and local municipal facilities support recreational use. Water quality is often suitable for bathing, though conditions vary by location and season. Bathers should be aware that the lake is large and can develop sudden wind-driven waves, colder temperatures below the surface, boat traffic and uneven bottoms, so swimming near marked areas, using life jackets for open-water excursions and checking local advisories is advisable for safety.