Gjønavatnet — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Gjønavatnet, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Gjønavatnet today is 13.6°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 | 14.6°C | 17.0°C | |
| SEP 15 | 14.5°C | 17.0°C | |
| SEP 16 | 13.8°C | 17.0°C | |
| SEP 17 | 14.4°C | 17.0°C | |
| SEP 18 | 14.0°C | 17.0°C | |
| SEP 19 | 13.8°C | 17.0°C | |
| SEP 20 | 13.7°C | 17.0°C | |
| SEP 22 | 17.0°C | 13.8°C | |
| SEP 23 | 17.0°C | 13.9°C | |
| SEP 24 | 17.0°C | 14.1°C | |
| SEP 25 | 17.0°C | 14.3°C | |
| SEP 26 | 17.0°C | 14.5°C | |
| SEP 27 | 17.0°C | 14.6°C | |
| SEP 28 | 17.0°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 | 2°C | 5°C |
| February | 0°C | 2°C | 5°C |
| March | 0°C | 3°C | 6°C |
| April | 1°C | 5°C | 8°C |
| May | 6°C | 11°C | 17°C |
| June | 12°C | 18°C | 23°C |
| July | 13°C | 19°C | 24°C |
| August | 14°C | 20°C | 25°C |
| September | 11°C | 17°C | 22°C |
| October | 5°C | 9°C | 12°C |
| November | 1°C | 5°C | 8°C |
| December | 0°C | 3°C | 6°C |
Gjønavatnet: Water Temperature by Location
Gjønavatnet: Weather Forecast
September 21
September 22
September 23
September 24
September 25
September 26
Location & Local Information
Gjønavatnet in Vestland County is a relatively cool, freshwater lake whose surface temperatures follow the typical seasonal pattern of western Norway. In winter the water commonly sits near freezing, roughly 0–4 °C (32–39 °F), and can approach 0 °C if ice forms in cold spells. Spring temperatures rise gradually, often ranging from about 4–10 °C (39–50 °F) as snowmelt and runoff influence the lake. By summer the surface can reach more comfortable levels, typically between 12–20 °C (54–68 °F) and on warm, calm days may peak around 20–22 °C (68–72 °F). During autumn the lake cools again, commonly falling to 6–14 °C (43–57 °F) as air temperatures drop and daylight shortens. Actual temperatures vary with weather, depth, inflow, and local topography.
Swimming in Gjønavatnet is generally allowed because it is public freshwater, and people do swim there in summer when surface temperatures are highest. However, swimmers should be cautious: even in summer the water can feel cold and produce cold-water shock, and there are usually no lifeguards or formal safety facilities. Water quality can change after heavy rain or runoff, so checking local advisories or signage is advisable. Access points, steep banks, underwater vegetation and variable depths also make prudent preparation and common-sense safety important for anyone entering the lake.