Hurdalsjøen — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Hurdalsjøen, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Hurdalsjøen today is 12.8°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 | 13.9°C | 17.0°C | |
| SEP 15 | 13.8°C | 17.0°C | |
| SEP 16 | 13.7°C | 17.0°C | |
| SEP 17 | 13.4°C | 17.0°C | |
| SEP 18 | 13.2°C | 17.0°C | |
| SEP 19 | 13.1°C | 17.0°C | |
| SEP 20 | 12.9°C | 17.0°C | |
| SEP 22 | 17.0°C | 13.0°C | |
| SEP 23 | 17.0°C | 13.2°C | |
| SEP 24 | 17.0°C | 13.4°C | |
| SEP 25 | 17.0°C | 13.6°C | |
| SEP 26 | 17.0°C | 13.9°C | |
| SEP 27 | 17.0°C | 14.1°C | |
| SEP 28 | 17.0°C | 14.3°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 | 10°C | 17°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 |
Hurdalsjøen: Water Temperature by Location
Hurdalsjøen: Weather Forecast
September 21
September 22
September 23
September 24
September 25
September 26
Location & Local Information
Hurdalsjøen, located in the former Akershus County of Norway, experiences marked seasonal variation in water temperature that affects swimming conditions. In spring (April–May) surface temperatures commonly range from about 2–10 °C (36–50 °F) as the lake thaws, while early summer (June) typically warms to 10–16 °C (50–61 °F). Peak summer months (July–August) can bring the warmest conditions, often around 16–22 °C (61–72 °F) in sheltered bays and at the surface, making swimming most comfortable then. During autumn (September–October) temperatures usually fall back to roughly 8–14 °C (46–57 °F). In winter the lake can be ice-covered and surface temperatures are at or near 0 °C (32 °F).
Swimming in Hurdalsjøen is commonly allowed and practiced, owing to Norway’s tradition of public access to outdoor areas and the lake’s recreational use. Many locals and visitors swim in summer when surface temperatures are highest, and shallow areas warm more quickly. Caution is advised outside the warmest months because cold water increases the risk of cold shock and hypothermia; there are typically few lifeguards, and water quality or local rules can vary by shoreline. Checking local guidance and using appropriate precautions makes swimming safer and more enjoyable.