Best year time to visit By

General weather information about By

Average annual temperature is 3.4 °C

Absolute maximum temperature: 27.3 °C

Absolute minimum temperature: -20.0 °C

Number of sunny days: 145 days

Number of rainy days: 150 days

Number of snow days: 70 days

Look at detailed online map of By

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

By air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)6.77.45.213.522.727.326.822.723.311.72.74.7
Average daytime temperature (°C)-1.9-0.5-1.56.114.320.820.118.315.73.7-4.1-5.8
Average temperature (°C)-4.5-3.5-5.71.39.115.815.714.311.80.9-6.1-8.4
Average night temperature (°C)-7.3-6.7-10.0-3.03.09.411.110.68.2-1.7-8.1-11.5
Absolute minimum temperature (°C)-17.2-18.2-18.4-9.4-4.31.87.17.92.8-8.0-20.0-18.1

By monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)7.010.013.016.019.020.020.017.014.011.08.05.0
Daylight mean duration (h)5.88.711.815.018.220.419.216.213.09.86.74.7
Daylight minimum duration (h)4.07.010.013.016.019.017.014.011.08.05.04.0
Sunshine mean duration (h)1.44.37.49.813.314.912.38.56.74.50.70.5
Precipitation (mm)6226494343168613169439528
Sunny days111216151620269161111
Rainy days754914102925211385
Snow days13111161000021115

Best time to visit By:

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

  • April — 9.8(h)
  • May — 13.3(h)
  • June — 14.9(h)
  • July — 12.3(h)

Months with the longest average daylight duration in By:

  • May — 18.2(h)
  • June — 20.4(h)
  • July — 19.2(h)
  • August — 16.2(h)

The largest precipitation sum in By is at

  • July — 86(mm)
  • August — 131(mm)
  • November — 95(mm)