Main image

John William Edy CC BY-SA 4.0 Wikimedia Commons

Vansjø

Lake

A large freshwater lake in Østfold used for boating, swimming and angling; day visitors paddle, sail and follow shoreline trails.

Vansjø OsloDrammenRjukanLillestrømDrøbakLangesundOslo Opera HouseHeddal stavkyrkjeVansjø

Vansjø essentials

Address: Vansjø area, Østfold, Norway
When to Go

Best Time to Visit Vansjø

Best visited in summer for recreational activities; spring and autumn are quieter and showcase wildlife.

Summer
June-August · 15-22°C (59-72°F)
Warmest and driest months ideal for boating and lakeside walks.
Spring/Autumn
April-May, September-October · 5-15°C (41-59°F)
Less crowded and good for observing migrating birds and changing foliage.

Weather & Climate near Vansjø

Climate

Vansjø's climate is classified as Warm-Summer Continental - Warm-Summer Continental climate with mild summers (peaking in July) and freezing winters (coldest in February). Temperatures range from -6°C to 21°C. Moderate rainfall (799 mm/year).

Air Quality: AQI 24 Good
Best Time to Visit
MayJuneJuly
Temperature & Rainfall
Temperature Range
31°
Warmest Month
-23°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January Poor -5° - 1° -8° 61 mm overcast 97% 4.4 m/s 0.0 low 6.7h
February Poor -6° - 1° -8° 43 mm overcast 96% 4.4 m/s 0.1 low 9.0h
March Poor -3° - 4° -4° 60 mm overcast 90% 4.2 m/s 0.3 low 11.6h
April Acceptable 1° - 9° 1° 47 mm partly cloudy 82% 3.9 m/s 0.6 moderate 14.3h
May Very Good 6° - 15° 11° 47 mm partly cloudy 79% 3.9 m/s 1.0 high 16.8h
June Good 10° - 19° 15° 65 mm partly cloudy 78% 3.9 m/s 1.4 high 18.2h
July Good 12° - 21° 17° 65 mm overcast 81% 3.7 m/s 1.3 high 17.5h
August Good 12° - 20° 16° 75 mm overcast 84% 3.7 m/s 0.9 moderate 15.3h
September Good 8° - 15° 12° 84 mm overcast 87% 4.2 m/s 0.5 low 12.6h
October Acceptable 4° - 10° 4° 97 mm overcast 92% 4.3 m/s 0.1 low 10.0h
November Poor 0° - 5° -2° 87 mm overcast 95% 4.4 m/s 0.0 low 7.4h
December Poor -4° - 2° -6° 68 mm overcast 97% 4.3 m/s 0.0 low 5.9h
Getting There & Around

How to Get to Vansjø

Accessible by road from Moss and other Østfold towns; local roads and cycle routes skirt the lake. Public transport options vary by season and exact shoreline location.

Tips for Visiting Vansjø

  • The lake supplies drinking water to nearby communities - respect signage about protected zones and restricted shoreline access.
  • Cycle routes around the lake offer pleasant, low-traffic ways to see more of the shoreline and hamlets.