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Itasca (IL) Weather and Climate: A Comprehensive Guide

The temperature in Itasca can vary greatly throughout the year. The temperatures shift from warm to very cold. It also has a relatively rain/snowy climate with high levels of precipitation. Now, let’s explore all the climate details to give you a full picture.

Average maximum day and minimum night temperature

Depending on the time of the year, temperatures range from comfortable to very cold in Itasca. On average, daytime temperatures range from a comfortable 29°C in July to a very cold -1°C in January.

Nighttime temperatures can drop, with average lows reaching -9°C in January. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Itasca has a relatively rain/snowy climate with high precipitation levels, averaging 1050 mm of rain/snowfall annually. The seasons in Itasca, bring significant changes in precipitation. The wettest month, June, receives high rainfall, with an average of 123 mm of precipitation. This rainfall is distributed across 14 rainy days.

In contrast, the driest month, January, experiences much less snowfall, totaling 50 mm over 10 snowy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Itasca Precipitation page.

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

Sunshine over the year

In Itasca, summer days are longer and more sunny, with daily sunshine hours peaking at 10.6 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 3.6 hours per average day. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Chicago, the United States of America (8 KM, 5 Miles).

Daily hours of sunshine

Data from: Chicago, the United States of America (8 KM, 5 Miles).

Forecast for Itasca (IL)

Wed   Dec 25
4°C | -1°C
E 3 m/s
overcast and no rain

overcast and no rain

Thu   Dec 26
9°C | 2°C
S 4 m/s
0.2 mm
broken clouds and  chance of slight rain

broken clouds and chance of slight rain

Fri   Dec 27
10°C | 5°C
SE 5 m/s
2.4 mm
overcast and rain

overcast and rain

The best time of year to visit Itasca 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 Itasca?
    The hottest season / summer takes place in June, July, August and September.
  • When is winter in Itasca?
    The coldest season / winter is in the following months: January, February and December.
  • Which is the warmest month in Itasca?
    July has an average maximum temperature of 29°C and is the warmest month of the year.
  • Which is the coldest month in Itasca?
    The coldest month is January with an average maximum temperature of -1°C.
  • Which is the wettest month in Itasca?
    June tops the wettest month list with 123 mm of rainfall.
  • Which is the driest month in Itasca?
    January is the driest month with 50 mm of precipitation.
  • Which is the sunniest month in Itasca?
    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.