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 19.4°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 65°F (18°C) to 68°F (20°C). This is already quite warm water, which is ideal for most people. Swimming becomes comfortable, and prolonged stays in the water do not cause discomfort. This temperature is perfect for family trips and for those who prefer warmer water. It is also comfortable for water sports such as surfing or swimming. 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 14 | 20.0°C | 20.0°C | |
| JUL 15 | 20.0°C | 20.0°C | |
| JUL 16 | 20.0°C | 20.0°C | |
| JUL 17 | 20.5°C | 20.0°C | |
| JUL 18 | 20.5°C | 20.0°C | |
| JUL 19 | 20.5°C | 20.0°C | |
| JUL 20 | 20.5°C | 20.0°C | |
| JUL 21 | 19.4°C | 20.0°C | |
| JUL 22 | 20.0°C | 19.4°C | |
| JUL 23 | 20.0°C | 19.5°C | |
| JUL 24 | 20.0°C | 19.5°C | |
| JUL 25 | 20.0°C | 19.5°C | |
| JUL 26 | 20.0°C | 19.6°C | |
| JUL 27 | 20.0°C | 19.6°C | |
| JUL 28 | 20.0°C | 19.6°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
July 22
July 23
July 24
July 25
July 26
July 27
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.