Best year time to visit Forsmark

General weather information about Forsmark

Average annual temperature is 1.2 °C

Absolute maximum temperature: 25.9 °C

Absolute minimum temperature: -20.7 °C

Number of sunny days: 125 days

Number of rainy days: 140 days

Number of snow days: 100 days

Look at detailed online map of Forsmark

* Weather data for Forsmark Sweden is based on climate observations for 2026 year

Forsmark air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)4.94.12.68.919.325.925.221.421.49.0-0.33.2
Average daytime temperature (°C)-3.5-2.4-5.33.49.417.417.816.012.11.0-6.1-7.9
Average temperature (°C)-5.8-4.8-9.0-0.35.012.714.112.98.8-0.9-8.4-9.9
Average night temperature (°C)-8.5-7.6-13.1-4.1-0.57.110.29.65.6-2.8-10.9-12.1
Absolute minimum temperature (°C)-15.8-18.4-20.7-13.8-8.5-0.45.46.22.2-10.8-20.6-19.0

Forsmark monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)6.09.013.017.020.022.022.018.014.011.07.04.0
Daylight mean duration (h)5.08.311.815.319.022.320.416.713.19.66.13.6
Daylight minimum duration (h)3.06.010.013.017.021.018.014.011.07.04.03.0
Sunshine mean duration (h)0.72.56.89.411.713.611.38.35.63.60.60.0
Precipitation (mm)902158264926101177127454567
Sunny days691116171464713157
Rainy days362312152527231257
Snow days221318112100061017

Best time to visit Forsmark:

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

  • April — 9.4(h)
  • May — 11.7(h)
  • June — 13.6(h)
  • July — 11.3(h)
  • August — 8.3(h)

Months with the longest average daylight duration in Forsmark:

  • May — 19.0(h)
  • June — 22.3(h)
  • July — 20.4(h)
  • August — 16.7(h)

The largest precipitation sum in Forsmark is at

  • January — 90(mm)
  • July — 101(mm)
  • August — 177(mm)
  • September — 127(mm)