Best year time to visit Tjärnö

General weather information about Tjärnö

Average annual temperature is 7.5 °C

Absolute maximum temperature: 27.4 °C

Absolute minimum temperature: -13.3 °C

Number of sunny days: 144 days

Number of rainy days: 194 days

Number of snow days: 27 days

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* Weather data for Tjärnö Sweden is based on climate observations for 2026 year

Tjärnö air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)7.59.08.317.520.727.423.521.321.215.58.49.0
Average daytime temperature (°C)3.34.73.510.515.721.418.018.617.79.13.10.1
Average temperature (°C)1.52.00.56.011.417.115.315.615.07.11.0-2.2
Average night temperature (°C)-0.4-1.0-3.11.56.412.212.613.012.44.9-0.9-4.9
Absolute minimum temperature (°C)-5.3-6.4-13.3-8.60.66.010.410.68.4-1.0-10.0-11.6

Tjärnö monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)8.010.013.015.017.018.018.016.014.011.08.06.0
Daylight mean duration (h)7.19.311.814.516.918.317.615.412.810.27.86.4
Daylight minimum duration (h)6.08.010.013.015.017.016.014.011.08.06.06.0
Sunshine mean duration (h)2.15.15.39.313.414.311.79.17.44.61.61.7
Precipitation (mm)119579457293617514184675769
Sunny days101210172219438151410
Rainy days18151112911272822161213
Snow days3110100000048

Tjärnö - weather forecast by months

Tjärnö weather in januaryTjärnö weather in februaryTjärnö weather in marchTjärnö weather in aprilTjärnö weather in mayTjärnö weather in juneTjärnö weather in julyTjärnö weather in augustTjärnö weather in septemberTjärnö weather in octoberTjärnö weather in novemberTjärnö weather in december

Best time to visit Tjärnö:

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

  • April — 9.3(h)
  • May — 13.4(h)
  • June — 14.3(h)
  • July — 11.7(h)
  • August — 9.1(h)

Months with the longest average daylight duration in Tjärnö:

  • May — 16.9(h)
  • June — 18.3(h)
  • July — 17.6(h)

The largest precipitation sum in Tjärnö is at

  • January — 119(mm)
  • July — 175(mm)
  • August — 141(mm)

    • Weather forecast in the closest to Tjärnö admin centers

    Weather forecast in the closest towns to Tjärnö

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    Frequently asked questions

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