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 13.2°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 | 14.1°C | 17.0°C | |
| SEP 15 | 14.3°C | 17.0°C | |
| SEP 16 | 14.1°C | 17.0°C | |
| SEP 17 | 13.7°C | 17.0°C | |
| SEP 18 | 13.6°C | 17.0°C | |
| SEP 19 | 13.6°C | 17.0°C | |
| SEP 20 | 13.4°C | 17.0°C | |
| SEP 22 | 17.0°C | 13.4°C | |
| SEP 23 | 17.0°C | 13.6°C | |
| SEP 24 | 17.0°C | 13.8°C | |
| SEP 25 | 17.0°C | 14.0°C | |
| SEP 26 | 17.0°C | 14.2°C | |
| SEP 27 | 17.0°C | 14.3°C | |
| SEP 28 | 17.0°C | 14.5°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 | 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
September 21
September 22
September 23
September 24
September 25
September 26
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.