Weather in Onnex in May

General weather information about Onnex

Average annual temperature is 10.9 °C

Absolute maximum temperature: 36.1 °C

Absolute minimum temperature: -11.2 °C

Number of sunny days: 156 days

Number of rainy days: 200 days

Number of snow days: 9 days

Look at detailed online map of Onnex

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

Onnex air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)13.413.119.319.122.928.134.236.128.824.613.211.2
Average daytime temperature (°C)4.48.010.411.917.023.925.626.423.217.77.86.6
Average temperature (°C)1.62.95.97.512.718.820.220.918.113.05.13.3
Average night temperature (°C)-1.1-1.11.93.28.313.615.115.413.38.82.00.2
Absolute minimum temperature (°C)-11.2-5.0-3.8-2.65.110.310.17.96.14.5-4.8-6.5

Onnex 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)9.110.411.913.614.915.715.314.112.510.99.58.7
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.08.08.0
Sunshine mean duration (h)4.58.37.28.210.412.912.610.910.27.83.83.9
Precipitation (mm)1021016513277771019492215240199
Sunny days1521111010811171716614
Rainy days12519202122201413152316
Snow days421000000011

Onnex - weather forecast by months

Onnex weather in januaryOnnex weather in februaryOnnex weather in marchOnnex weather in aprilOnnex weather in mayOnnex weather in juneOnnex weather in julyOnnex weather in augustOnnex weather in septemberOnnex weather in octoberOnnex weather in novemberOnnex weather in december

Best time to visit Onnex:

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

  • June — 12.9(h)
  • July — 12.6(h)
  • August — 10.9(h)

Months with the longest average daylight duration in Onnex:

  • June — 15.7(h)
  • July — 15.3(h)

The largest precipitation sum in Onnex is at

  • March — 165(mm)
  • October — 215(mm)
  • November — 240(mm)
  • December — 199(mm)

    • Weather forecast in the closest to Onnex admin centers

    Weather forecast in the closest towns to Onnex

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    Frequently asked questions

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