Weather in Hennijoki in December

General weather information about Hennijoki

Average annual temperature is 5.7 °C

Absolute maximum temperature: 30.3 °C

Absolute minimum temperature: -19.6 °C

Number of sunny days: 130 days

Number of rainy days: 169 days

Number of snow days: 66 days

Look at detailed online map of Hennijoki

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

Hennijoki air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)3.66.26.217.123.529.724.530.322.814.47.34.5
Average daytime temperature (°C)-0.2-0.10.810.315.521.520.520.018.16.20.6-3.2
Average temperature (°C)-1.9-2.5-3.04.610.116.316.016.414.33.5-1.0-5.2
Average night temperature (°C)-3.7-5.6-7.4-1.13.79.911.512.810.71.1-3.0-7.6
Absolute minimum temperature (°C)-16.4-15.0-19.6-11.4-3.52.39.49.22.0-6.1-12.8-17.0

Hennijoki 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)6.69.011.814.717.419.118.315.812.910.17.35.7
Daylight minimum duration (h)5.07.010.013.016.018.017.014.011.08.06.05.0
Sunshine mean duration (h)1.02.65.611.212.514.611.88.97.24.40.60.3
Precipitation (mm)783087223844136175641148429
Sunny days812620181758811710
Rainy days124910131326232218145
Snow days1112160000002916

Hennijoki - weather forecast by months

Hennijoki weather in januaryHennijoki weather in februaryHennijoki weather in marchHennijoki weather in aprilHennijoki weather in mayHennijoki weather in juneHennijoki weather in julyHennijoki weather in augustHennijoki weather in septemberHennijoki weather in octoberHennijoki weather in novemberHennijoki weather in december

Best time to visit Hennijoki:

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

  • April — 11.2(h)
  • May — 12.5(h)
  • June — 14.6(h)
  • July — 11.8(h)
  • August — 8.9(h)

Months with the longest average daylight duration in Hennijoki:

  • May — 17.4(h)
  • June — 19.1(h)
  • July — 18.3(h)
  • August — 15.8(h)

The largest precipitation sum in Hennijoki is at

  • July — 136(mm)
  • August — 175(mm)
  • October — 114(mm)

    • Weather forecast in the closest to Hennijoki admin centers

    Weather forecast in the closest towns to Hennijoki

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    Frequently asked questions

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