Best year time to visit Lammu

General weather information about Lammu

Average annual temperature is 4.3 °C

Absolute maximum temperature: 26.8 °C

Absolute minimum temperature: -16.5 °C

Number of sunny days: 111 days

Number of rainy days: 169 days

Number of snow days: 85 days

Look at detailed online map of Lammu

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

Lammu air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)2.12.63.316.523.326.323.926.820.611.42.62.0
Average daytime temperature (°C)-2.4-3.1-1.96.414.319.518.719.916.54.1-2.1-5.8
Average temperature (°C)-4.0-5.1-4.31.29.715.215.917.013.72.3-3.6-7.1
Average night temperature (°C)-5.6-7.2-6.9-3.04.610.013.013.810.80.5-5.1-8.4
Absolute minimum temperature (°C)-16.0-16.5-14.8-9.0-2.31.810.29.57.9-6.1-15.8-14.2

Lammu monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)7.010.013.016.019.019.019.017.014.011.08.05.0
Daylight mean duration (h)6.28.811.814.917.819.718.816.013.09.97.05.2
Daylight minimum duration (h)5.07.010.013.016.019.017.014.011.08.05.04.0
Sunshine mean duration (h)0.52.15.011.112.414.910.510.76.63.80.20.2
Precipitation (mm)79297816516620083105967852
Sunny days997231211778855
Rainy days9487171924242217144
Snow days13151602000061122

Lammu - weather forecast by months

Lammu weather in januaryLammu weather in februaryLammu weather in marchLammu weather in aprilLammu weather in mayLammu weather in juneLammu weather in julyLammu weather in augustLammu weather in septemberLammu weather in octoberLammu weather in novemberLammu weather in december

Best time to visit Lammu:

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

  • April — 11.1(h)
  • May — 12.4(h)
  • June — 14.9(h)
  • July — 10.5(h)
  • August — 10.7(h)

Months with the longest average daylight duration in Lammu:

  • May — 17.8(h)
  • June — 19.7(h)
  • July — 18.8(h)
  • August — 16.0(h)

The largest precipitation sum in Lammu is at

  • July — 200(mm)
  • September — 105(mm)

    • Weather forecast in the closest to Lammu admin centers

    Weather forecast in the closest towns to Lammu

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    Frequently asked questions

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