Røldalsvatnet — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Røldalsvatnet, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Røldalsvatnet today is 9.4°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
❌ As of today, the minimum water temperature ranges from 47°F (8°C) to 50°F (10°C). This is still cool water, suitable only for experienced swimmers or those accustomed to cold water. Swimming in such conditions is possible, but not recommended for prolonged periods. Extra caution should be taken during extended exposure, as the cold water can cause heat loss and lead to hypothermia. For added comfort, special clothing 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 | 10.1°C | 17.0°C | |
| SEP 15 | 10.1°C | 17.0°C | |
| SEP 16 | 9.5°C | 17.0°C | |
| SEP 17 | 9.8°C | 17.0°C | |
| SEP 18 | 9.7°C | 17.0°C | |
| SEP 19 | 9.6°C | 17.0°C | |
| SEP 20 | 9.5°C | 17.0°C | |
| SEP 21 | 9.4°C | 17.0°C | |
| SEP 22 | 17.0°C | 9.8°C | |
| SEP 23 | 17.0°C | 10.2°C | |
| SEP 24 | 17.0°C | 10.5°C | |
| SEP 25 | 17.0°C | 10.9°C | |
| SEP 26 | 17.0°C | 11.3°C | |
| SEP 27 | 17.0°C | 11.7°C | |
| SEP 28 | 17.0°C | 12.1°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 | 6°C | 10°C |
| May | 5°C | 11°C | 17°C |
| June | 10°C | 17°C | 23°C |
| July | 14°C | 20°C | 26°C |
| August | 14°C | 20°C | 26°C |
| September | 11°C | 17°C | 22°C |
| October | 6°C | 10°C | 13°C |
| November | 2°C | 6°C | 9°C |
| December | 0°C | 3°C | 6°C |
Røldalsvatnet: Water Temperature by Location
Røldalsvatnet: Weather Forecast
September 21
September 22
September 23
September 24
September 25
September 26
Location & Local Information
Røldalsvatnet is a mountain lake in Vestland County whose water temperature is strongly influenced by elevation, snowmelt and weather. Typical seasonal surface temperatures are roughly 1–8 °C (34–46 °F) in spring as ice thaws and runoff is cold, 10–16 °C (50–61 °F) in summer at the warmest, 4–10 °C (39–50 °F) in autumn as cooling begins, and around 0–2 °C (32–36 °F) in winter when the lake is frequently ice-covered. Shallower bays can warm slightly more on sunny, calm days, while deeper or wind-exposed sections remain colder. These figures are approximate and vary year to year with air temperature and precipitation.
Swimming in Røldalsvatnet is physically possible and generally permitted under Norway’s public access customs, but conditions make it a cold-water activity. Many people choose to swim only briefly or to use wetsuits; even in summer the water can produce cold shock and rapid loss of body heat. There are typically no formal lifeguards or facilities, and access points may be limited, so swimmers should take standard safety precautions: check local conditions, avoid swimming alone, and be prepared for cold temperatures and variable weather. For longer or group swims, appropriate equipment and experience with cold-water swimming are recommended.