Best year time to visit Marengo County

General weather information about Marengo County

Average annual temperature is 19.8 °C

Absolute maximum temperature: 39.9 °C

Absolute minimum temperature: -2.8 °C

Number of sunny days: 195 days

Number of rainy days: 170 days

Look at detailed online map of Marengo County

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

Marengo County air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)25.927.629.430.734.837.239.639.934.931.327.324.3
Average daytime temperature (°C)17.520.622.124.929.532.934.636.332.326.019.216.2
Average temperature (°C)12.214.515.918.522.626.228.129.725.919.913.610.5
Average night temperature (°C)8.410.311.013.417.220.923.324.520.714.79.36.3
Absolute minimum temperature (°C)-1.0-0.7-2.88.49.919.120.419.816.58.0-0.40.3

Marengo County monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.013.012.011.010.010.0
Daylight mean duration (h)10.311.012.013.013.814.214.013.312.411.410.510.1
Daylight minimum duration (h)10.010.011.012.013.014.013.012.011.010.010.010.0
Sunshine mean duration (h)6.67.38.99.410.711.410.811.710.99.06.67.7
Precipitation (mm)1631561461131161318670264810574
Sunny days141119161111101719261922
Rainy days1717121420192114115119
Snow days000000000000

Marengo County - weather forecast by months

Marengo County weather in januaryMarengo County weather in februaryMarengo County weather in marchMarengo County weather in aprilMarengo County weather in mayMarengo County weather in juneMarengo County weather in julyMarengo County weather in augustMarengo County weather in septemberMarengo County weather in octoberMarengo County weather in novemberMarengo County weather in december

Best time to visit Marengo County:

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

  • August — 11.7(h)

The largest precipitation sum in Marengo County is at

  • January — 163(mm)
  • February — 156(mm)
  • March — 146(mm)
  • June — 131(mm)

    • Weather forecast in the closest to Marengo County admin centers

    Weather forecast in the closest towns to Marengo County

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    Frequently asked questions

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