Gravatnet — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Gravatnet, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Gravatnet today is 16.5°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 60°F (15°C) to 65°F (18°C). The water is comfortable for most people, making it an ideal range for water sports enthusiasts. The temperature does not cause significant discomfort, and swimming will be pleasant for the majority. However, it's important to remember that prolonged exposure to the water can still lead to cooling, so it's essential to monitor the time spent in the water, especially for children or elderly people. 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 |
|---|---|---|---|
| JUL 15 | 16.9°C | 18.0°C | |
| JUL 16 | 16.9°C | 18.0°C | |
| JUL 17 | 17.5°C | 18.0°C | |
| JUL 18 | 17.5°C | 18.0°C | |
| JUL 19 | 17.5°C | 18.0°C | |
| JUL 20 | 17.5°C | 18.0°C | |
| JUL 21 | 16.5°C | 18.0°C | |
| JUL 22 | 16.5°C | 18.0°C | |
| JUL 23 | 18.0°C | 16.6°C | |
| JUL 24 | 18.0°C | 16.7°C | |
| JUL 25 | 18.0°C | 16.7°C | |
| JUL 26 | 18.0°C | 16.8°C | |
| JUL 27 | 18.0°C | 16.9°C | |
| JUL 28 | 18.0°C | 17.0°C | |
| JUL 29 | 18.0°C | 17.0°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 | 3°C |
| February | 0°C | 2°C | 3°C |
| March | 0°C | 0°C | 4°C |
| April | 0°C | 4°C | 8°C |
| May | 4°C | 10°C | 15°C |
| June | 9°C | 16°C | 21°C |
| July | 12°C | 18°C | 23°C |
| August | 11°C | 17°C | 22°C |
| September | 8°C | 13°C | 19°C |
| October | 3°C | 7°C | 10°C |
| November | 0°C | 4°C | 7°C |
| December | 0°C | 0°C | 4°C |
Gravatnet: Water Temperature by Location
Gravatnet: Weather Forecast
July 22
July 23
July 24
July 25
July 26
July 27
Location & Local Information
Gravatnet is a freshwater lake in Agder County, Norway, with temperatures that follow the typical seasonal pattern for southern Norwegian inland waters. In winter the surface commonly approaches freezing, often around 0–4 °C (32–39 °F) where ice forms; spring warming is gradual, with waters typically in the 4–10 °C (39–50 °F) range. By summer the surface can rise to roughly 12–20 °C (54–68 °F) on warm days, though sheltered or deeper parts remain cooler. In autumn temperatures usually fall back into the 6–12 °C (43–54 °F) band as air temperatures drop and stratification breaks down. Local conditions such as depth, inflow from streams, recent weather and wind will cause variation from these general ranges.
Swimming in Gravatnet is generally allowed and common in summer months because Norwegian access rights (allemannsretten) permit entering and using most natural water bodies, unless specific restrictions are posted. Water quality in many Agder lakes is suitable for recreational use, but swimmers should exercise caution because cold water can cause shock even on warm days, and hidden depths, sudden drop-offs and boat traffic present hazards. It is sensible to check local signage or municipal information for any warnings, to swim with a companion, and to use appropriate safety gear.