Best year time to visit Illertissen

General weather information about Illertissen

Average annual temperature is 10.4 °C

Absolute maximum temperature: 34.2 °C

Absolute minimum temperature: -16.1 °C

Number of sunny days: 137 days

Number of rainy days: 212 days

Number of snow days: 16 days

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* Weather data for Illertissen Germany is based on climate observations for 2026 year

Illertissen air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)14.814.017.019.624.730.134.232.929.124.614.79.8
Average daytime temperature (°C)4.96.710.511.417.524.524.924.623.117.28.05.5
Average temperature (°C)2.32.05.87.112.818.719.619.216.911.94.92.5
Average night temperature (°C)-0.4-1.41.73.07.912.214.314.511.47.52.0-0.2
Absolute minimum temperature (°C)-7.5-8.5-4.5-4.43.28.610.49.86.5-0.1-3.8-16.1

Illertissen monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.010.012.014.015.016.016.015.013.011.09.08.0
Daylight mean duration (h)8.910.211.913.715.216.015.614.312.610.89.38.4
Daylight minimum duration (h)8.09.011.012.014.015.015.013.011.09.08.08.0
Sunshine mean duration (h)2.66.37.37.19.313.611.89.710.06.84.13.4
Precipitation (mm)2936661149850931553088152115
Sunny days915117121898211629
Rainy days13111823191222239152720
Snow days922000000012

Illertissen - weather forecast by months

Illertissen weather in januaryIllertissen weather in februaryIllertissen weather in marchIllertissen weather in aprilIllertissen weather in mayIllertissen weather in juneIllertissen weather in julyIllertissen weather in augustIllertissen weather in septemberIllertissen weather in octoberIllertissen weather in novemberIllertissen weather in december

Best time to visit Illertissen:

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

  • June — 13.6(h)
  • July — 11.8(h)
  • August — 9.7(h)
  • September — 10.0(h)

Months with the longest average daylight duration in Illertissen:

  • June — 16.0(h)
  • July — 15.6(h)

The largest precipitation sum in Illertissen is at

  • April — 114(mm)
  • August — 155(mm)
  • November — 152(mm)
  • December — 115(mm)

    • Weather forecast in the closest to Illertissen admin centers

    Weather forecast in the closest towns to Illertissen

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    Frequently asked questions

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