Weather in Suni in August

General weather information about Suni

Average annual temperature is 5.5 °C

Absolute maximum temperature: 29.5 °C

Absolute minimum temperature: -15.5 °C

Number of sunny days: 127 days

Number of rainy days: 169 days

Number of snow days: 69 days

Look at detailed online map of Suni

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

Suni air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)2.74.65.717.821.627.024.129.522.114.26.73.1
Average daytime temperature (°C)-1.5-1.8-0.19.215.120.920.421.117.75.50.1-4.1
Average temperature (°C)-3.2-4.0-2.93.710.616.316.917.614.53.5-1.5-6.1
Average night temperature (°C)-5.0-6.5-5.8-1.05.611.013.414.311.51.7-3.1-8.0
Absolute minimum temperature (°C)-14.4-15.5-13.6-9.7-1.92.411.111.87.8-4.3-11.5-14.1

Suni 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)0.71.84.711.512.615.012.09.77.14.00.20.2
Precipitation (mm)78228228342414987861077254
Sunny days111262318143711967
Rainy days102126111628241920138
Snow days10141312000021116

Suni - weather forecast by months

Suni weather in januarySuni weather in februarySuni weather in marchSuni weather in aprilSuni weather in maySuni weather in juneSuni weather in julySuni weather in augustSuni weather in septemberSuni weather in octoberSuni weather in novemberSuni weather in december

Best time to visit Suni:

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

  • April — 11.5(h)
  • May — 12.6(h)
  • June — 15.0(h)
  • July — 12.0(h)
  • August — 9.7(h)

Months with the longest average daylight duration in Suni:

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

The largest precipitation sum in Suni is at

  • July — 149(mm)
  • August — 87(mm)
  • October — 107(mm)

    • Weather forecast in the closest to Suni admin centers

    Weather forecast in the closest towns to Suni

    Frequently asked questions

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