Best year time to visit Jonku

General weather information about Jonku

Average annual temperature is 3.0 °C

Absolute maximum temperature: 28.2 °C

Absolute minimum temperature: -24.4 °C

Number of sunny days: 125 days

Number of rainy days: 148 days

Number of snow days: 92 days

Look at detailed online map of Jonku

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

Jonku air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)5.22.91.012.023.025.723.928.221.010.13.01.5
Average daytime temperature (°C)-2.9-3.6-3.66.013.418.418.820.114.92.0-3.3-6.0
Average temperature (°C)-4.7-6.0-7.10.48.514.215.316.111.9-0.1-5.1-7.6
Average night temperature (°C)-6.5-8.4-10.8-4.52.79.311.411.89.0-2.3-7.2-9.4
Absolute minimum temperature (°C)-21.3-18.2-24.4-13.4-6.81.97.65.81.9-9.6-15.5-17.9

Jonku monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)6.09.013.016.020.022.021.018.014.011.07.04.0
Daylight mean duration (h)5.18.411.815.318.921.920.216.613.19.66.23.8
Daylight minimum duration (h)3.06.010.013.017.020.018.014.011.07.04.03.0
Sunshine mean duration (h)0.61.55.710.611.813.59.610.85.22.60.60.1
Precipitation (mm)6024484251649595123794340
Sunny days8992114115106121010
Rainy days812615192621241583
Snow days15182032000041218

Best time to visit Jonku:

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

  • April — 10.6(h)
  • May — 11.8(h)
  • June — 13.5(h)
  • July — 9.6(h)
  • August — 10.8(h)

Months with the longest average daylight duration in Jonku:

  • May — 18.9(h)
  • June — 21.9(h)
  • July — 20.2(h)
  • August — 16.6(h)

The largest precipitation sum in Jonku is at

  • July — 95(mm)
  • August — 95(mm)
  • September — 123(mm)