Best year time to visit Önsta

General weather information about Önsta

Average annual temperature is 7.1 °C

Absolute maximum temperature: 28.4 °C

Absolute minimum temperature: -16.0 °C

Number of sunny days: 147 days

Number of rainy days: 179 days

Number of snow days: 39 days

Look at detailed online map of Önsta

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

Önsta air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)5.87.611.219.123.728.423.425.023.115.99.35.9
Average daytime temperature (°C)2.22.22.99.916.923.320.319.518.38.82.9-0.9
Average temperature (°C)0.2-0.4-0.84.411.517.616.716.415.26.20.8-3.2
Average night temperature (°C)-2.0-3.2-5.0-1.05.211.013.313.511.93.8-1.3-6.2
Absolute minimum temperature (°C)-7.1-8.5-16.0-13.0-2.63.711.411.64.9-2.6-8.6-14.3

Önsta 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)7.09.211.814.517.118.617.815.512.910.27.66.2
Daylight minimum duration (h)6.08.010.013.015.018.016.014.011.08.06.06.0
Sunshine mean duration (h)2.03.64.69.613.314.413.38.57.35.01.10.7
Precipitation (mm)66367619352413912546637851
Sunny days1116917221953161289
Rainy days1851311911262814191411
Snow days2792000000811

Best time to visit Önsta:

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

  • April — 9.6(h)
  • May — 13.3(h)
  • June — 14.4(h)
  • July — 13.3(h)

Months with the longest average daylight duration in Önsta:

  • May — 17.1(h)
  • June — 18.6(h)
  • July — 17.8(h)

The largest precipitation sum in Önsta is at

  • July — 139(mm)
  • August — 125(mm)