Best year time to visit Oconomowoc

General weather information about Oconomowoc

Average annual temperature is 10.0 °C

Absolute maximum temperature: 35.6 °C

Absolute minimum temperature: -27.5 °C

Number of sunny days: 185 days

Number of rainy days: 153 days

Number of snow days: 27 days

Look at detailed online map of Oconomowoc

* Weather data for Oconomowoc United States is based on climate observations for 2026 year

Oconomowoc air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)8.310.919.825.831.031.333.535.632.927.418.112.7
Average daytime temperature (°C)1.33.16.014.621.826.727.926.823.715.68.05.3
Average temperature (°C)-2.5-2.20.98.614.920.222.321.518.811.53.41.7
Average night temperature (°C)-5.2-6.4-3.43.49.114.617.317.115.38.0-0.1-0.8
Absolute minimum temperature (°C)-27.5-24.0-13.0-2.5-0.16.712.710.99.7-2.8-12.4-8.2

Oconomowoc monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.410.511.913.414.715.315.013.912.511.09.79.1
Daylight minimum duration (h)9.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)3.46.96.78.010.712.212.511.28.77.06.64.0
Precipitation (mm)468486116403911012351844049
Sunny days131612131822121614122116
Rainy days88111713819151617813
Snow days1048000000212

Oconomowoc - weather forecast by months

Oconomowoc weather in januaryOconomowoc weather in februaryOconomowoc weather in marchOconomowoc weather in aprilOconomowoc weather in mayOconomowoc weather in juneOconomowoc weather in julyOconomowoc weather in augustOconomowoc weather in septemberOconomowoc weather in octoberOconomowoc weather in novemberOconomowoc weather in december

Best time to visit Oconomowoc:

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

  • May — 10.7(h)
  • June — 12.2(h)
  • July — 12.5(h)
  • August — 11.2(h)

Months with the longest average daylight duration in Oconomowoc:

  • June — 15.3(h)

The largest precipitation sum in Oconomowoc is at

  • April — 116(mm)
  • July — 110(mm)
  • August — 123(mm)

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    Frequently asked questions

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