Best year time to visit Ottawa County

General weather information about Ottawa County

Average annual temperature is 11.6 °C

Absolute maximum temperature: 31.8 °C

Absolute minimum temperature: -11.5 °C

Number of sunny days: 155 days

Number of rainy days: 193 days

Number of snow days: 17 days

Look at detailed online map of Ottawa County

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

Ottawa County air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)14.318.216.326.128.529.731.830.831.728.517.616.3
Average daytime temperature (°C)4.77.77.515.419.323.927.426.022.916.910.17.8
Average temperature (°C)1.51.93.310.114.219.723.321.719.413.46.04.5
Average night temperature (°C)-1.1-1.80.55.510.216.019.618.216.210.42.92.3
Absolute minimum temperature (°C)-10.7-11.5-5.80.53.111.117.013.710.50.3-6.3-2.7

Ottawa County monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.610.611.913.314.515.114.813.812.511.19.99.2
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)3.37.16.89.011.111.611.810.59.66.66.93.6
Precipitation (mm)937011410646949311935853158
Sunny days10141011241641313121810
Rainy days15101719714271817191020
Snow days644000000021

Ottawa County - weather forecast by months

Ottawa County weather in januaryOttawa County weather in februaryOttawa County weather in marchOttawa County weather in aprilOttawa County weather in mayOttawa County weather in juneOttawa County weather in julyOttawa County weather in augustOttawa County weather in septemberOttawa County weather in octoberOttawa County weather in novemberOttawa County weather in december

Best time to visit Ottawa County:

The best time to visit Ottawa County during the most sunny months:

  • May — 11.1(h)
  • June — 11.6(h)
  • July — 11.8(h)
  • August — 10.5(h)

The largest precipitation sum in Ottawa County is at

  • March — 114(mm)
  • April — 106(mm)
  • August — 119(mm)

    • Weather forecast in the closest to Ottawa County admin centers

    Weather forecast in the closest towns to Ottawa County

    Explore Ottawa County

    See also
    MapTrains schedule
    Plan your trip
    AccommodationExperiencesBlog

    Frequently asked questions

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