Flåvatn — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Flåvatn, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Flåvatn today is 18.4°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 4 | 18.9°C | 22.0°C | |
| AUG 5 | 18.9°C | 22.0°C | |
| AUG 6 | 18.5°C | 22.0°C | |
| AUG 7 | 18.5°C | 22.0°C | |
| AUG 8 | 18.5°C | 22.0°C | |
| AUG 9 | 18.5°C | 22.0°C | |
| AUG 10 | 18.4°C | 22.0°C | |
| AUG 11 | 18.4°C | 22.0°C | |
| AUG 12 | 22.0°C | 18.6°C | |
| AUG 13 | 22.0°C | 18.8°C | |
| AUG 14 | 22.0°C | 18.9°C | |
| AUG 15 | 22.0°C | 19.1°C | |
| AUG 16 | 22.0°C | 19.3°C | |
| AUG 17 | 22.0°C | 19.5°C | |
| AUG 18 | 22.0°C | 19.7°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 | 11°C | 18°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 | 3°C | 7°C | 10°C |
| December | 0°C | 4°C | 7°C |
Flåvatn: Water Temperature by Location
Flåvatn: Weather Forecast
August 11
August 12
August 13
August 14
August 15
Location & Local Information
Flåvatn, a lake in Telemark County, Norway, typically follows the seasonal temperature patterns of inland Norwegian lakes. In spring (April–May) the surface water is cold as ice melts and usually ranges from about 2–8 °C (36–46 °F). During summer (June–August), on warm, calm days the surface can warm to roughly 12–22 °C (54–72 °F), though cooler conditions and wind can keep it lower. In autumn (September–October) temperatures fall back toward 6–12 °C (43–54 °F) as cooling and increased runoff set in. In winter the lake commonly approaches freezing, around 0–1 °C (32–34 °F) where ice formation is frequent and open water is limited.
Swimming in and around Flåvatn is generally allowed under Norwegian access rights and local practice, and people do swim there in summer when surface temperatures are milder. However, caution is important because water can remain cold even in summer, there are often no lifeguards, and weather can change quickly. Many swimmers use wetsuits for longer immersion, and shoreline conditions, currents near inlets or outlets, and private property should be checked before entering. Local signage or advice from residents will indicate any specific restrictions or hazards at particular spots.