Best year time to visit Ilirska Bistrica

General weather information about Ilirska Bistrica

Average annual temperature is 10.0 °C

Absolute maximum temperature: 30.6 °C

Absolute minimum temperature: -9.1 °C

Number of sunny days: 153 days

Number of rainy days: 200 days

Number of snow days: 12 days

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* Weather data for Ilirska Bistrica Slovenia is based on climate observations for 2026 year

Ilirska Bistrica air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)10.213.215.916.121.828.229.330.625.122.513.713.7
Average daytime temperature (°C)4.15.69.110.616.321.424.323.620.616.98.97.1
Average temperature (°C)1.81.14.96.212.316.819.418.616.012.85.73.7
Average night temperature (°C)-0.2-2.11.22.08.612.214.613.812.09.32.70.6
Absolute minimum temperature (°C)-5.7-8.0-4.3-4.34.88.17.37.48.20.9-4.1-9.1

Ilirska Bistrica monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.08.0
Daylight mean duration (h)9.210.411.913.514.915.615.314.112.510.99.58.8
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.08.08.0
Sunshine mean duration (h)3.26.77.28.310.212.812.411.09.87.05.04.2
Precipitation (mm)16451103941164321016060245218138
Sunny days82013119158151913715
Rainy days17616192215231611182314
Snow days622000000002

Ilirska Bistrica - weather forecast by months

Ilirska Bistrica weather in januaryIlirska Bistrica weather in februaryIlirska Bistrica weather in marchIlirska Bistrica weather in aprilIlirska Bistrica weather in mayIlirska Bistrica weather in juneIlirska Bistrica weather in julyIlirska Bistrica weather in augustIlirska Bistrica weather in septemberIlirska Bistrica weather in octoberIlirska Bistrica weather in novemberIlirska Bistrica weather in december

Best time to visit Ilirska Bistrica:

The best time to visit Ilirska Bistrica during the most sunny months:

  • June — 12.8(h)
  • July — 12.4(h)
  • August — 11.0(h)

Months with the longest average daylight duration in Ilirska Bistrica:

  • June — 15.6(h)
  • July — 15.3(h)

The largest precipitation sum in Ilirska Bistrica is at

  • July — 210(mm)
  • October — 245(mm)
  • November — 218(mm)

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    Frequently asked questions

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