ClimateForecastAprilMay >>

Climate in Waukegan (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 Waukegan (IL)

Thu   Apr 25
10°C | -1°C
E 18 km/h
almost clear and no rain

almost clear and no rain

Fri   Apr 26
14°C | 5°C
SE 25 km/h
17 mm
broken clouds and rain

broken clouds and rain

Sat   Apr 27
25°C | 12°C
SW 32 km/h
1.6 mm
partly cloudy and  chance of slight rain

partly cloudy and chance of slight rain

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

During the months of 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 Waukegan?
    The coldest season / winter is in the following months: January, February and December.
  • Which is the warmest month in Waukegan?
    July has an average maximum temperature of 27°C and is the warmest month of the year.
  • Which is the coldest month in Waukegan?
    The coldest month is January with an average maximum temperature of -1°C.
  • Which is the wettest month in Waukegan?
    April tops the wettest month list with 104 mm of rainfall.
  • Which is the driest month in Waukegan?
    January is the driest month with 42 mm of precipitation.
  • Which is the sunniest month in Waukegan?
    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.