Best year time to visit Illiat

General weather information about Illiat

Average annual temperature is 13.4 °C

Absolute maximum temperature: 39.4 °C

Absolute minimum temperature: -4.7 °C

Number of sunny days: 164 days

Number of rainy days: 199 days

Number of snow days: 2 days

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* Weather data for Illiat France is based on climate observations for 2026 year

Illiat air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)16.115.020.023.826.831.237.639.433.328.016.315.2
Average daytime temperature (°C)7.49.713.315.020.527.727.928.326.820.611.28.5
Average temperature (°C)4.84.48.510.515.821.922.322.520.615.58.25.4
Average night temperature (°C)1.80.43.96.011.316.116.817.214.811.04.72.2
Absolute minimum temperature (°C)-4.2-4.7-3.61.48.313.112.310.38.25.9-3.2-4.0

Illiat 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)9.110.311.913.615.015.715.414.112.610.99.58.7
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.08.08.0
Sunshine mean duration (h)3.56.47.88.29.712.912.310.610.57.54.33.3
Precipitation (mm)64118684739768356315712483
Sunny days9181212101315182317611
Rainy days20101918211716137142420
Snow days200000000000

Illiat - weather forecast by months

Illiat weather in januaryIlliat weather in februaryIlliat weather in marchIlliat weather in aprilIlliat weather in mayIlliat weather in juneIlliat weather in julyIlliat weather in augustIlliat weather in septemberIlliat weather in octoberIlliat weather in novemberIlliat weather in december

Best time to visit Illiat:

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

  • June — 12.9(h)
  • July — 12.3(h)
  • August — 10.6(h)
  • September — 10.5(h)

Months with the longest average daylight duration in Illiat:

  • June — 15.7(h)
  • July — 15.4(h)

The largest precipitation sum in Illiat is at

  • October — 157(mm)
  • November — 124(mm)

    • Weather forecast in the closest to Illiat admin centers

    Weather forecast in the closest towns to Illiat

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    Frequently asked questions

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