Weather in Arnö in December

General weather information about Arnö

Average annual temperature is 8.0 °C

Absolute maximum temperature: 26.2 °C

Absolute minimum temperature: -14.6 °C

Number of sunny days: 143 days

Number of rainy days: 195 days

Number of snow days: 27 days

Look at detailed online map of Arnö

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

Arnö air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)6.89.111.617.321.426.223.823.325.017.59.28.4
Average daytime temperature (°C)3.64.14.99.015.520.820.719.619.610.44.21.3
Average temperature (°C)1.90.91.34.611.116.617.016.416.18.02.5-0.6
Average night temperature (°C)-0.3-2.1-2.90.35.811.613.313.713.25.50.3-3.0
Absolute minimum temperature (°C)-6.0-8.4-14.6-8.0-1.65.910.911.49.91.4-7.4-10.3

Arnö 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)7.39.411.814.416.718.117.415.312.810.37.96.6
Daylight minimum duration (h)6.08.010.013.015.017.016.014.011.09.07.06.0
Sunshine mean duration (h)2.34.25.310.613.514.113.78.48.24.71.90.8
Precipitation (mm)102289841384759120471257478
Sunny days81471525235620758
Rainy days2311141567262510241816
Snow days0310000000077

Best time to visit Arnö:

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

  • April — 10.6(h)
  • May — 13.5(h)
  • June — 14.1(h)
  • July — 13.7(h)

Months with the longest average daylight duration in Arnö:

  • May — 16.7(h)
  • June — 18.1(h)
  • July — 17.4(h)

The largest precipitation sum in Arnö is at

  • January — 102(mm)
  • March — 98(mm)
  • August — 120(mm)
  • October — 125(mm)
  • Frequently asked questions

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