Best year time to visit Gästersö

General weather information about Gästersö

Average annual temperature is 6.7 °C

Absolute maximum temperature: 29.1 °C

Absolute minimum temperature: -17.7 °C

Number of sunny days: 124 days

Number of rainy days: 194 days

Number of snow days: 47 days

Look at detailed online map of Gästersö

* Weather data for Gästersö Finland is based on climate observations for 2026 year

Gästersö air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)3.97.67.017.123.029.124.127.621.015.28.85.0
Average daytime temperature (°C)0.80.81.29.215.321.619.819.917.87.92.4-1.8
Average temperature (°C)-1.0-1.5-1.84.510.317.016.617.415.45.61.0-3.6
Average night temperature (°C)-3.2-5.0-5.8-0.43.910.712.914.612.63.1-0.8-5.6
Absolute minimum temperature (°C)-17.7-15.5-16.4-9.3-2.73.310.512.25.6-3.0-10.8-15.3

Gästersö monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)7.010.013.015.018.018.018.016.014.011.08.06.0
Daylight mean duration (h)6.89.211.814.617.218.717.915.612.910.17.66.0
Daylight minimum duration (h)6.07.010.013.015.018.016.014.011.08.06.05.0
Sunshine mean duration (h)1.23.15.711.113.115.613.59.77.94.61.60.8
Precipitation (mm)1034484203717102143451048869
Sunny days91012212220056946
Rainy days17910991031262422189
Snow days5990000000816

Best time to visit Gästersö:

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

  • April — 11.1(h)
  • May — 13.1(h)
  • June — 15.6(h)
  • July — 13.5(h)
  • August — 9.7(h)

Months with the longest average daylight duration in Gästersö:

  • May — 17.2(h)
  • June — 18.7(h)
  • July — 17.9(h)
  • August — 15.6(h)

The largest precipitation sum in Gästersö is at

  • January — 103(mm)
  • July — 102(mm)
  • August — 143(mm)
  • October — 104(mm)