Weather in Onex in August

General weather information about Onex

Average annual temperature is 12.5 °C

Absolute maximum temperature: 38.2 °C

Absolute minimum temperature: -6.9 °C

Number of sunny days: 166 days

Number of rainy days: 194 days

Number of snow days: 5 days

Look at detailed online map of Onex

* Weather data for Onex Switzerland is based on climate observations for 2026 year

Onex air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)14.014.519.721.123.330.237.838.231.427.115.712.6
Average daytime temperature (°C)5.88.812.113.518.626.128.628.725.219.29.77.9
Average temperature (°C)2.74.07.59.114.420.922.323.019.814.46.64.1
Average night temperature (°C)-0.4-0.23.14.710.215.516.217.414.79.92.61.1
Absolute minimum temperature (°C)-6.9-4.5-3.3-1.85.611.911.19.26.73.1-3.8-4.5

Onex 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)4.68.47.58.811.413.012.610.910.37.84.13.9
Precipitation (mm)837124914991905490177151174
Sunny days1419121091711162217613
Rainy days1381920221320158142418
Snow days410000000000

Onex - weather forecast by months

Onex weather in januaryOnex weather in februaryOnex weather in marchOnex weather in aprilOnex weather in mayOnex weather in juneOnex weather in julyOnex weather in augustOnex weather in septemberOnex weather in octoberOnex weather in novemberOnex weather in december

Best time to visit Onex:

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

  • May — 11.4(h)
  • June — 13.0(h)
  • July — 12.6(h)
  • August — 10.9(h)

Months with the longest average daylight duration in Onex:

  • June — 15.7(h)
  • July — 15.4(h)

The largest precipitation sum in Onex is at

  • March — 124(mm)
  • October — 177(mm)
  • November — 151(mm)
  • December — 174(mm)

    • Weather forecast in the closest to Onex admin centers

    Weather forecast in the closest towns to Onex

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    Frequently asked questions

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