Vänersborg — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Vänersborg, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Vänersborg today is 19.3°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 | 19.5°C | 20.0°C | |
| AUG 4 | 19.5°C | 20.0°C | |
| AUG 5 | 19.6°C | 20.0°C | |
| AUG 6 | 19.5°C | 20.0°C | |
| AUG 7 | 19.5°C | 20.0°C | |
| AUG 8 | 19.5°C | 20.0°C | |
| AUG 9 | 19.3°C | 20.0°C | |
| AUG 10 | 19.3°C | 20.0°C | |
| AUG 11 | 20.0°C | 19.3°C | |
| AUG 12 | 20.0°C | 19.4°C | |
| AUG 13 | 20.0°C | 19.4°C | |
| AUG 14 | 20.0°C | 19.4°C | |
| AUG 15 | 20.0°C | 19.5°C | |
| AUG 16 | 20.0°C | 19.5°C | |
| AUG 17 | 20.0°C | 19.5°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 |
Vänersborg: Weather Forecast
August 11
August 12
August 13
August 14
August 15
Location & Local Information
Vänersborg (in Swedish - Vänersborg) sits on the southern shore of Lake Vänern in Västra Götaland County, and the lake’s water temperature varies strongly with the seasons. In spring the surface temperature is typically low, around 2–10 °C (36–50 °F) as ice melts and the water stratifies. Summer warms the shallows and sheltered bays to roughly 16–22 °C (61–72 °F) on average, though open-water areas remain a few degrees cooler. In autumn temperatures fall back to about 6–12 °C (43–54 °F) and in winter the surface can be close to freezing, around 0–4 °C (32–39 °F), with parts of Vänern occasionally ice-covered during cold spells.
Swimming in and around Vänersborg is generally allowed and common, thanks to public access to the shoreline and several maintained bathing spots and piers. The suitability depends on season and local conditions: summer offers the most comfortable swimming temperatures, while spring and autumn are chilly and winter swimming carries hypothermia and ice-safety risks. Water quality in many bathing areas is usually good, but conditions can change locally (for example algal blooms in warm weather), so swimmers are advised to check current local guidance, enter gradually, and take standard safety precautions such as avoiding strong currents and using a wetsuit if needed.