Best year time to visit Hilli

General weather information about Hilli

Average annual temperature is 4.5 °C

Absolute maximum temperature: 29.5 °C

Absolute minimum temperature: -19.6 °C

Number of sunny days: 142 days

Number of rainy days: 160 days

Number of snow days: 63 days

Look at detailed online map of Hilli

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

Hilli air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)3.86.45.116.323.528.725.329.522.812.94.64.2
Average daytime temperature (°C)-1.3-0.7-0.87.814.920.819.720.316.94.5-1.4-4.5
Average temperature (°C)-3.1-3.3-4.61.69.715.815.916.413.31.4-3.5-6.5
Average night temperature (°C)-5.4-6.3-8.8-3.73.79.411.512.39.6-1.4-6.0-9.4
Absolute minimum temperature (°C)-18.0-15.3-16.2-14.0-3.81.29.58.41.6-8.5-18.8-19.6

Hilli monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)7.010.013.016.019.020.020.017.014.011.08.05.0
Daylight mean duration (h)5.98.711.815.018.120.219.116.213.09.96.84.8
Daylight minimum duration (h)4.07.010.013.016.019.017.014.011.08.05.04.0
Sunshine mean duration (h)1.13.15.19.612.514.911.39.76.15.00.60.5
Precipitation (mm)632449534333148155101765935
Sunny days111411211616548141012
Rainy days12368141426272216102
Snow days8111411000011017

Best time to visit Hilli:

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

  • April — 9.6(h)
  • May — 12.5(h)
  • June — 14.9(h)
  • July — 11.3(h)
  • August — 9.7(h)

Months with the longest average daylight duration in Hilli:

  • May — 18.1(h)
  • June — 20.2(h)
  • July — 19.1(h)
  • August — 16.2(h)

The largest precipitation sum in Hilli is at

  • July — 148(mm)
  • August — 155(mm)
  • September — 101(mm)
  • Frequently asked questions

    When is the best time to visit Hilli?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Hilli.
    What is the weather like in Hilli?
    See average temperature, rainfall and daylight hours for Hilli by month in the table above.
    How many sunny days does Hilli have?
    The monthly weather statistics above show sunshine and rainfall patterns for Hilli throughout the year.