Bergsvannet — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Bergsvannet, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Bergsvannet today is 18.7°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 | 19.1°C | 22.0°C | |
| AUG 5 | 19.1°C | 22.0°C | |
| AUG 6 | 18.6°C | 22.0°C | |
| AUG 7 | 18.6°C | 22.0°C | |
| AUG 8 | 18.6°C | 22.0°C | |
| AUG 9 | 18.7°C | 22.0°C | |
| AUG 10 | 18.7°C | 22.0°C | |
| AUG 11 | 18.7°C | 22.0°C | |
| AUG 12 | 22.0°C | 18.9°C | |
| AUG 13 | 22.0°C | 19.0°C | |
| AUG 14 | 22.0°C | 19.2°C | |
| AUG 15 | 22.0°C | 19.4°C | |
| AUG 16 | 22.0°C | 19.5°C | |
| AUG 17 | 22.0°C | 19.7°C | |
| AUG 18 | 22.0°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 | 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 |
Bergsvannet: Water Temperature by Location
Bergsvannet: Weather Forecast
August 12
August 13
August 14
August 15
Location & Local Information
Bergsvannet in Vestfold County is a typical small Norwegian freshwater lake whose water temperatures vary markedly with the seasons. In spring (March–May) surface temperatures commonly range from about 0–8 °C (32–46 °F) as snowmelt and cool air keep the water cold. In summer (June–August) the lake can warm to roughly 15–22 °C (59–72 °F) on sunny days, with shallower bays warming most quickly. During autumn (September–November) temperatures usually fall back to about 8–14 °C (46–57 °F) as cooling air temperatures and reduced solar input lower surface warmth. In winter (December–February) the lake often approaches freezing, around 0–4 °C (32–39 °F), and may freeze over at times.
Swimming in Bergsvannet is generally allowed and used recreationally in warmer months because it is freshwater with public shoreline access and no inherent legal prohibition. Local conditions, however, determine safety: authorities may issue advisories if water quality is poor or blue‑green algae are present, and swimmers should be mindful of cold‑water shock, sudden depth changes, and limited visibility. Always check local signage and municipal water quality reports before swimming, and take usual safety precautions such as not swimming alone and exiting the water if conditions seem unsafe.