Best year time to visit Bastö

General weather information about Bastö

Average annual temperature is 6.7 °C

Absolute maximum temperature: 22.2 °C

Absolute minimum temperature: -9.7 °C

Number of sunny days: 136 days

Number of rainy days: 183 days

Number of snow days: 46 days

Look at detailed online map of Bastö

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

Bastö air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)3.86.14.49.214.921.419.522.219.214.99.34.8
Average daytime temperature (°C)1.30.90.94.79.715.716.918.417.28.73.6-0.5
Average temperature (°C)0.0-0.5-0.72.97.814.015.917.415.97.12.4-1.8
Average night temperature (°C)-1.4-2.5-2.71.36.012.214.816.414.55.41.1-3.2
Absolute minimum temperature (°C)-8.1-8.1-9.5-5.20.15.413.314.610.6-0.4-8.3-9.7

Bastö 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)6.99.211.814.617.218.717.915.612.910.17.66.1
Daylight minimum duration (h)6.07.010.013.015.018.016.014.011.08.06.05.0
Sunshine mean duration (h)1.13.05.711.113.215.713.610.28.24.51.60.7
Precipitation (mm)98447516289100103421298367
Sunny days8108222023121011435
Rainy days179118117192119272113
Snow days69120000000613

Best time to visit Bastö:

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

  • April — 11.1(h)
  • May — 13.2(h)
  • June — 15.7(h)
  • July — 13.6(h)
  • August — 10.2(h)

Months with the longest average daylight duration in Bastö:

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

The largest precipitation sum in Bastö is at

  • January — 98(mm)
  • July — 100(mm)
  • August — 103(mm)
  • October — 129(mm)