Best year time to visit DuPage County

General weather information about DuPage County

Average annual temperature is 11.1 °C

Absolute maximum temperature: 36.9 °C

Absolute minimum temperature: -21.4 °C

Number of sunny days: 184 days

Number of rainy days: 163 days

Number of snow days: 18 days

Look at detailed online map of DuPage County

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

DuPage County air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)11.114.420.425.330.532.333.436.933.627.619.614.6
Average daytime temperature (°C)3.15.57.816.221.627.128.127.324.116.79.56.5
Average temperature (°C)-0.60.32.79.715.320.522.622.219.212.65.03.1
Average night temperature (°C)-3.3-3.7-0.94.19.915.018.117.915.49.21.30.7
Absolute minimum temperature (°C)-21.4-18.8-11.6-2.71.57.714.312.19.6-2.9-10.6-7.9

DuPage County monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.013.014.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.510.611.913.414.615.214.913.812.511.19.89.2
Daylight minimum duration (h)9.010.011.012.014.015.014.013.011.010.09.09.0
Sunshine mean duration (h)3.37.76.49.210.611.711.410.58.06.47.24.0
Precipitation (mm)588881906047276113118973574
Sunny days111711151919121612142216
Rainy days1191615121119151816714
Snow days924000000111

DuPage County - weather forecast by months

DuPage County weather in januaryDuPage County weather in februaryDuPage County weather in marchDuPage County weather in aprilDuPage County weather in mayDuPage County weather in juneDuPage County weather in julyDuPage County weather in augustDuPage County weather in septemberDuPage County weather in octoberDuPage County weather in novemberDuPage County weather in december

Best time to visit DuPage County:

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

  • May — 10.6(h)
  • June — 11.7(h)
  • July — 11.4(h)
  • August — 10.5(h)

The largest precipitation sum in DuPage County is at

  • July — 276(mm)

    • Weather forecast in the closest to DuPage County admin centers

    Weather forecast in the closest towns to DuPage County

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    MapTrains schedule
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    Frequently asked questions

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