Best year time to visit Arnö

General weather information about Arnö

Average annual temperature is 6.8 °C

Absolute maximum temperature: 26.3 °C

Absolute minimum temperature: -15.2 °C

Number of sunny days: 129 days

Number of rainy days: 194 days

Number of snow days: 42 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)6.07.411.616.723.126.323.223.124.216.08.86.9
Average daytime temperature (°C)2.12.12.57.015.418.820.219.118.58.53.30.0
Average temperature (°C)0.2-0.2-0.93.310.615.116.516.215.16.31.7-2.4
Average night temperature (°C)-1.7-3.1-4.8-0.55.310.612.913.411.94.00.1-5.1
Absolute minimum temperature (°C)-6.3-8.0-15.2-9.5-1.94.211.011.16.2-0.6-6.1-13.3

Arnö monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)7.010.013.015.018.018.018.016.014.011.08.06.0
Daylight mean duration (h)6.89.111.814.617.218.818.015.612.910.17.56.0
Daylight minimum duration (h)5.07.010.013.015.018.016.014.011.08.06.05.0
Sunshine mean duration (h)2.32.95.59.713.615.413.89.18.65.01.10.6
Precipitation (mm)503188192724122118448911371
Sunny days1111101723204511746
Rainy days1861011710272619242313
Snow days211112100000312

Best time to visit Arnö:

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

  • April — 9.7(h)
  • May — 13.6(h)
  • June — 15.4(h)
  • July — 13.8(h)

Months with the longest average daylight duration in Arnö:

  • May — 17.2(h)
  • June — 18.8(h)
  • July — 18.0(h)
  • August — 15.6(h)

The largest precipitation sum in Arnö is at

  • March — 88(mm)
  • July — 122(mm)
  • August — 118(mm)
  • October — 89(mm)
  • November — 113(mm)