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Glen Ellyn
Weather averages
ClimateForecastNovemberDecember >>

Glen Ellyn (IL) Climate by Month

The graphs below provide an overview of the climate in Glen Ellyn (Illinois), the United States of America. They present long-term patterns and averages of weather conditions over a 30-year period.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Monthly hours of sunshine

The average monthly total hours of sunshine over the year
* Data from: Chicago, the United States of America (18 KM, 11 Miles).

Daily percent of sunshine

The mean percent of hours of sunhours during the day over the year
* Data from: Chicago, the United States of America (18 KM, 11 Miles).

Monthly precipitation

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

Monthly rainy days

The average number of days each month with rain, snow, hail etc.

Average humidity

The mean monthly relative humidity over the year
* Data from: Chicago, the United States of America (18 KM, 11 Miles).

Average wind speed

The mean monthly wind speed over the year (in meters per second)
* Data from: Chicago, the United States of America (18 KM, 11 Miles).

Forecast for Glen Ellyn (IL)

Sat   Nov 02
14°C | 1°C
SE 14 km/h
almost clear and no rain

almost clear and no rain

hourly forecast
Sun   Nov 03
17°C | 5°C
SE 22 km/h
1.5 mm
overcast and rain

overcast and rain

hourly forecast
Mon   Nov 04
21°C | 15°C
S 32 km/h
16 mm
overcast and heavy rain

overcast and heavy rain

hourly forecast
5-Day Forecast 10-Day Forecast

The best time of year to visit Glen Ellyn 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 Glen Ellyn?
    The hottest season / summer takes place in June, July, August and September.
  • When is winter in Glen Ellyn?
    The coldest season / winter is in the following months: January, February and December.
  • Which is the warmest month in Glen Ellyn?
    July has an average maximum temperature of 29°C and is the warmest month of the year.
  • Which is the coldest month in Glen Ellyn?
    The coldest month is January with an average maximum temperature of -1°C.
  • Which is the wettest month in Glen Ellyn?
    June tops the wettest month list with 129 mm of rainfall.
  • Which is the driest month in Glen Ellyn?
    January is the driest month with 52 mm of precipitation.
  • Which is the sunniest month in Glen Ellyn?
    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.

     

     


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