Best year time to visit Oconomowoc Lake

General weather information about Oconomowoc Lake

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 Lake

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

Oconomowoc Lake 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 Lake 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

Best time to visit Oconomowoc Lake:

The best time to visit Oconomowoc Lake 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 Lake:

  • June — 15.3(h)

The largest precipitation sum in Oconomowoc Lake is at

  • April — 116(mm)
  • July — 110(mm)
  • August — 123(mm)
  • Frequently asked questions

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