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Lombard (IL) Climate by Month

The temperature in Lombard can vary greatly throughout the year. The temperatures shift from warm to very cold. It also has a notably wet climate with much precipitation. Let's now guide you through the climate details for a complete overview.

Average day and night temperature

Depending on the time of the year, temperatures range from comfortable to very cold in Lombard. Average daytime temperatures range from a comfortable 29°C in July, the warmest time of the year, to a very cold -0°C during cooler months like January. At night, temperatures typically average around -9°C during these months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Lombard has a relatively rain/snowy climate with high precipitation levels, averaging 1058 mm of rain/snowfall annually. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, June receives high rainfall, averaging 126 mm of precipitation, recorded across 14 rainy days. In contrast, the drier season, January brings less snowfall, with 51 mm over 10 snowy days.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

Seasonal changes in sunshine hours are quite dramatic in Lombard. While July receives considerable daily sunshine with up to 10.6 hours, December marks the darkest time of the year, where sunshine is scarce with only 3.6 hours of sunlight per day.

Monthly hours of sunshine

Data from: Chicago, the United States of America (14 KM, 9 Miles).

Daily hours of sunshine

Data from: Chicago, the United States of America (14 KM, 9 Miles).

The best time of year to visit Lombard in the United States of America

During the months of May and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • When is summer in Lombard?
    The hottest season / summer takes place in June, July, August and September.
  • When is winter in Lombard?
    The coldest season / winter is in the following months: January, February and December.
  • Which is the warmest month in Lombard?
    July has an average maximum temperature of 29°C and is the warmest month of the year.
  • Which is the coldest month in Lombard?
    The coldest month is January with an average maximum temperature of -0°C.
  • Which is the wettest month in Lombard?
    June tops the wettest month list with 126 mm of rainfall.
  • Which is the driest month in Lombard?
    January is the driest month with 51 mm of precipitation.
  • Which is the sunniest month in Lombard?
    July is the sunniest month with an average of 319 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Lombard (IL)

    Sat   Nov 23
    8°C | 2°C
    SW 14 km/h
    broken clouds and no rain

    broken clouds and no rain

    Sun   Nov 24
    11°C | 2°C
    S 14 km/h
    broken clouds and no rain

    broken clouds and no rain

    Mon   Nov 25
    10°C | -2°C
    NW 25 km/h
    overcast and no rain

    overcast and no rain