Weather in Nummi in August

General weather information about Nummi

Average annual temperature is 5.7 °C

Absolute maximum temperature: 31.2 °C

Absolute minimum temperature: -18.0 °C

Number of sunny days: 145 days

Number of rainy days: 164 days

Number of snow days: 56 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)4.36.25.916.122.729.224.631.223.714.77.05.4
Average daytime temperature (°C)0.10.30.710.014.920.920.120.118.06.40.4-3.0
Average temperature (°C)-1.6-2.1-2.94.19.816.016.016.614.43.8-1.2-5.0
Average night temperature (°C)-3.3-5.2-7.5-1.24.010.312.013.211.01.5-3.3-7.6
Absolute minimum temperature (°C)-13.7-14.7-18.0-11.4-3.33.09.99.93.7-6.4-14.5-16.7

Nummi monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)7.010.013.016.018.019.019.017.014.011.08.06.0
Daylight mean duration (h)6.59.011.814.717.519.218.415.812.910.07.35.6
Daylight minimum duration (h)5.07.010.013.016.018.017.014.011.08.06.05.0
Sunshine mean duration (h)1.12.95.610.912.815.312.39.07.64.70.90.4
Precipitation (mm)74299360402716016997978824
Sunny days1117920191856711913
Rainy days1031010111226252319132
Snow days108120100001816

Best time to visit Nummi:

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

  • April — 10.9(h)
  • May — 12.8(h)
  • June — 15.3(h)
  • July — 12.3(h)
  • August — 9.0(h)

Months with the longest average daylight duration in Nummi:

  • May — 17.5(h)
  • June — 19.2(h)
  • July — 18.4(h)
  • August — 15.8(h)

The largest precipitation sum in Nummi is at

  • July — 160(mm)
  • August — 169(mm)