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Prospect Heights
Weather averages
ClimateForecastAprilMay >>

Climate in Prospect Heights (Illinois), United States of America

The graphs below show the monthly weather averages over the year.

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 (12 KM, 7 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 (12 KM, 7 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 (12 KM, 7 Miles).

Average wind speed

The mean monthly wind speed over the year (in meters per second)
* Data from: Chicago, the United States of America (12 KM, 7 Miles).

Weather Forecasts for Prospect Heights (IL)

Fri   Apr 26
15°C | 5°C
SE 22 km/h
10 mm
broken clouds and rain

broken clouds and rain

hourly forecast
Sat   Apr 27
26°C | 14°C
SW 32 km/h
4.1 mm
partly cloudy and small chance of slight rain

partly cloudy and small chance of slight rain

hourly forecast
Sun   Apr 28
26°C | 17°C
SE 25 km/h
16 mm
broken clouds and thunder

broken clouds and thunder

hourly forecast
5-Day Forecast 10-Day Forecast

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

During the months of May, June 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 winter in Prospect Heights?
    The coldest season / winter is in the following months: January, February and December.
  • Which is the warmest month in Prospect Heights?
    July has an average maximum temperature of 29°C and is the warmest month of the year.
  • Which is the coldest month in Prospect Heights?
    The coldest month is January with an average maximum temperature of -1°C.
  • Which is the wettest month in Prospect Heights?
    June tops the wettest month list with 121 mm of rainfall.
  • Which is the driest month in Prospect Heights?
    January is the driest month with 46 mm of precipitation.
  • Which is the sunniest month in Prospect Heights?
    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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