Best year time to visit Sionna

General weather information about Sionna

Average annual temperature is 10.0 °C

Absolute maximum temperature: 33.2 °C

Absolute minimum temperature: -11.3 °C

Number of sunny days: 122 days

Number of rainy days: 218 days

Number of snow days: 25 days

Look at detailed online map of Sionna

* Weather data for Sionna Poland is based on climate observations for 2026 year

Sionna air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)16.38.817.622.024.828.233.232.928.223.313.49.2
Average daytime temperature (°C)4.43.38.312.917.922.624.825.623.214.45.72.9
Average temperature (°C)2.70.73.98.313.017.719.920.517.810.83.31.0
Average night temperature (°C)0.8-2.2-0.43.57.212.214.515.912.87.10.9-1.2
Absolute minimum temperature (°C)-3.6-11.3-5.3-4.5-1.34.711.010.59.50.5-7.4-9.6

Sionna monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.010.012.014.016.016.016.015.013.011.09.08.0
Daylight mean duration (h)8.39.911.913.915.716.716.214.612.710.68.87.8
Daylight minimum duration (h)7.09.010.012.014.016.015.013.011.09.08.07.0
Sunshine mean duration (h)1.53.66.38.211.312.012.310.310.35.53.31.3
Precipitation (mm)8054586162767311419687881
Sunny days912861799622987
Rainy days19131723142122258221816
Snow days336100000048

Best time to visit Sionna:

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

  • May — 11.3(h)
  • June — 12.0(h)
  • July — 12.3(h)
  • August — 10.3(h)
  • September — 10.3(h)

Months with the longest average daylight duration in Sionna:

  • May — 15.7(h)
  • June — 16.7(h)
  • July — 16.2(h)

The largest precipitation sum in Sionna is at

  • August — 114(mm)