Best year time to visit Nummi

General weather information about Nummi

Average annual temperature is 6.3 °C

Absolute maximum temperature: 30.2 °C

Absolute minimum temperature: -18.4 °C

Number of sunny days: 136 days

Number of rainy days: 181 days

Number of snow days: 48 days

Look at detailed online map of Nummi

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

Nummi air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)3.97.17.216.423.828.824.630.222.615.08.34.6
Average daytime temperature (°C)0.80.81.410.314.921.920.520.317.97.51.7-2.4
Average temperature (°C)-1.1-1.6-2.44.69.916.616.616.814.84.7-0.1-4.0
Average night temperature (°C)-3.1-4.6-7.2-0.93.810.012.213.611.32.1-2.2-6.0
Absolute minimum temperature (°C)-18.4-13.3-17.2-13.3-2.62.79.410.73.9-6.0-11.3-14.2

Nummi 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)6.79.111.814.617.318.918.115.712.910.17.55.9
Daylight minimum duration (h)5.07.010.013.016.018.017.014.011.08.06.05.0
Sunshine mean duration (h)1.33.45.811.113.215.613.39.37.85.11.40.5
Precipitation (mm)833788294638121203731458735
Sunny days12141019211741109109
Rainy days14781191327302020148
Snow days57130100002614

Best time to visit Nummi:

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

  • April — 11.1(h)
  • May — 13.2(h)
  • June — 15.6(h)
  • July — 13.3(h)
  • August — 9.3(h)

Months with the longest average daylight duration in Nummi:

  • May — 17.3(h)
  • June — 18.9(h)
  • July — 18.1(h)
  • August — 15.7(h)

The largest precipitation sum in Nummi is at

  • July — 121(mm)
  • August — 203(mm)
  • October — 145(mm)