Bandak Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Bandak Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Bandak Lake today is 11.4°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
❌ As of today, the minimum water temperature ranges from 50°F (10°C) to 54°F (12°C). The water is slightly warmer, but still cool for most people. Swimming in such conditions is possible, but for most people, the time spent in the water should be limited to avoid hypothermia. Even experienced swimmers may feel discomfort if they stay in the water for too long. To improve comfort and safety, a wetsuit can be used. 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 | 12.1°C | 18.0°C | |
| SEP 15 | 12.5°C | 18.0°C | |
| SEP 16 | 12.5°C | 18.0°C | |
| SEP 17 | 12.3°C | 18.0°C | |
| SEP 18 | 12.1°C | 18.0°C | |
| SEP 19 | 11.8°C | 18.0°C | |
| SEP 20 | 11.1°C | 18.0°C | |
| SEP 21 | 11.4°C | 18.0°C | |
| SEP 22 | 18.0°C | 11.7°C | |
| SEP 23 | 18.0°C | 12.1°C | |
| SEP 24 | 18.0°C | 12.4°C | |
| SEP 25 | 18.0°C | 12.7°C | |
| SEP 26 | 18.0°C | 13.1°C | |
| SEP 27 | 18.0°C | 13.4°C | |
| SEP 28 | 18.0°C | 13.7°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 | 16°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 |
Bandak Lake: Water Temperature by Location
Bandak Lake: Weather Forecast
September 21
September 22
September 23
September 24
September 25
September 26
Location & Local Information
Bandak, a large lake in Telemark County, typically shows clear seasonal variations in surface temperature. In midsummer (June–August) the top layer commonly warms to about 15–20 °C (59–68 °F), and on very warm days can briefly reach around 22 °C (72 °F). During spring (April–May) surface temperatures are usually low, roughly 2–10 °C (36–50 °F) as ice melts and the water stratifies, while autumn (September–October) sees cooling to approximately 5–15 °C (41–59 °F). In winter the lake is near freezing and can be ice-covered; surface temperatures then sit close to 0–4 °C (32–39 °F). Because Bandak is relatively deep, temperatures drop quickly with depth and colder water persists below the warm surface layer.
Swimming in Bandak is generally allowed and common in the warmer months, as Norway’s shoreline access and local recreational culture encourage bathing and boating. The lake’s water quality is typically good, making summer swims pleasant for those prepared for moderate temperatures. Caution is wise: sudden weather, cold water shock, deep sections, and boat traffic can create hazards, and winter ice swimming requires experience, safety measures and local knowledge. Lifesaving services are limited in remote spots, so swimmers should choose sheltered bathing areas, use flotation aids if unsure, and respect seasonal conditions.