ClimateForecastAprilMay >>

Climate in Hillside (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 precipitation

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

Weather Forecasts for Hillside (IL)

Thu   Apr 25
15°C | 0°C
E 18 km/h
almost clear and no rain

almost clear and no rain

Fri   Apr 26
16°C | 6°C
SE 25 km/h
11 mm
broken clouds and rain

broken clouds and rain

Sat   Apr 27
25°C | 15°C
SW 32 km/h
4.5 mm
partly cloudy and slight rain

partly cloudy and slight rain

The best time of year to visit Hillside 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 Hillside?
    The hottest season / summer takes place in June, July, August and September.
  • When is winter in Hillside?
    The coldest season / winter is in the following months: January, February and December.
  • Which is the warmest month in Hillside?
    July has an average maximum temperature of 29°C and is the warmest month of the year.
  • Which is the coldest month in Hillside?
    The coldest month is January with an average maximum temperature of -0°C.
  • Which is the wettest month in Hillside?
    August tops the wettest month list with 125 mm of rainfall.
  • Which is the driest month in Hillside?
    January is the driest month with 51 mm of precipitation.
  • Which is the sunniest month in Hillside?
    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.