Best year time to visit Onsaker

General weather information about Onsaker

Average annual temperature is 4.8 °C

Absolute maximum temperature: 27.8 °C

Absolute minimum temperature: -20.4 °C

Number of sunny days: 151 days

Number of rainy days: 152 days

Number of snow days: 62 days

Look at detailed online map of Onsaker

* Weather data for Onsaker Norway is based on climate observations for 2026 year

Onsaker air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)3.75.45.916.621.627.824.520.922.914.74.01.9
Average daytime temperature (°C)-2.40.30.57.514.822.218.217.916.67.00.2-4.7
Average temperature (°C)-4.4-2.7-3.32.89.416.514.714.712.94.4-1.0-6.3
Average night temperature (°C)-6.7-5.5-6.5-1.63.19.510.511.99.32.0-2.5-8.3
Absolute minimum temperature (°C)-20.4-11.7-13.8-7.2-2.21.58.49.02.9-2.1-10.3-13.7

Onsaker monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)7.010.013.015.018.019.018.016.014.011.08.06.0
Daylight mean duration (h)6.89.111.814.617.318.818.115.612.910.17.55.9
Daylight minimum duration (h)5.07.010.013.016.018.017.014.011.08.06.05.0
Sunshine mean duration (h)1.95.66.98.412.914.610.77.76.84.91.51.2
Precipitation (mm)8734511413553178214773910043
Sunny days141513162120321416611
Rainy days73911101028291610118
Snow days1010930000051312

Best time to visit Onsaker:

The best time to visit Onsaker during the most sunny months:

  • May — 12.9(h)
  • June — 14.6(h)
  • July — 10.7(h)

Months with the longest average daylight duration in Onsaker:

  • May — 17.3(h)
  • June — 18.8(h)
  • July — 18.1(h)
  • August — 15.6(h)

The largest precipitation sum in Onsaker is at

  • April — 141(mm)
  • July — 178(mm)
  • August — 214(mm)