Byglandsfjorden — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Byglandsfjorden, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Byglandsfjorden today is 16.9°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 |
|---|---|---|---|
| JUN 23 | 14.4°C | 18.0°C | |
| JUN 24 | 14.4°C | 18.0°C | |
| JUN 25 | 14.4°C | 18.0°C | |
| JUN 26 | 14.7°C | 18.0°C | |
| JUN 27 | 15.1°C | 18.0°C | |
| JUN 28 | 15.1°C | 18.0°C | |
| JUN 29 | 15.1°C | 18.0°C | |
| JUN 30 | 16.6°C | 18.0°C | |
| JUL 1 | 20.0°C | 17.1°C | |
| JUL 2 | 20.0°C | 17.2°C | |
| JUL 3 | 20.0°C | 17.4°C | |
| JUL 4 | 20.0°C | 17.5°C | |
| JUL 5 | 20.0°C | 17.7°C | |
| JUL 6 | 20.0°C | 17.8°C | |
| JUL 7 | 20.0°C | 18.0°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 | 5°C |
| February | 0°C | 2°C | 5°C |
| March | 0°C | 3°C | 6°C |
| April | 2°C | 6°C | 10°C |
| May | 7°C | 12°C | 18°C |
| June | 12°C | 18°C | 23°C |
| July | 14°C | 20°C | 25°C |
| August | 13°C | 19°C | 24°C |
| September | 10°C | 15°C | 21°C |
| October | 5°C | 9°C | 12°C |
| November | 2°C | 6°C | 9°C |
| December | 0°C | 3°C | 6°C |
Byglandsfjorden: Water Temperature by Location
Byglandsfjorden: Weather Forecast
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Location & Local Information
Byglandsfjorden in Agder County typically shows pronounced seasonal variation in water temperature. In winter the surface is often close to freezing, around 0–4 °C (32–39 °F) and parts of the lake may ice over. In spring temperatures rise from roughly 4–12 °C (39–54 °F) as snowmelt and air temperatures increase. During summer the upper layers can warm to a comfortable 14–22 °C (57–72 °F) on average, occasionally reaching higher values during heat waves; deeper water remains considerably colder. In autumn the lake cools again to about 6–14 °C (43–57 °F). Local factors such as wind, shading, inflows and depth create variation from these typical ranges.
Swimming is generally allowed and common in summer because Norway’s access rights and local recreation areas encourage bathing. There are beaches, piers and places where people swim from shore or boats. Caution is advisable because cold water, sudden depth changes and boat traffic can present hazards, and winter swimming requires ice safety knowledge. Water quality is usually good, but visitors should heed any local advisories or posted warnings. Overall Byglandsfjorden offers real swimming opportunities in warm months while requiring respect for seasonal and site-specific safety considerations.