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Streator (IL) Weather and Climate: A Comprehensive Guide

The temperature in Streator can vary quite a bit throughout the year. Temperatures can be warm during the warmest months, and very cold during the cooler months. It also has a notably wet climate with much precipitation. Let's now guide you through the climate details for a complete overview.

Average maximum day and minimum night temperature

Visitors to Streator can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a comfortable 29°C in July, the warmest time of the year, to a very cold 0°C during cooler months like January.

At night, temperatures typically drop to an average of around -9°C during these months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Streator is known for its substantial rain/snowfall, with annual precipitation reaching 1065 mm. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, June receives high rainfall, averaging 137 mm of precipitation, recorded across 14 rainy days. In contrast, the drier season, January brings less snowfall, with 46 mm over 9 snowy days. For more details, please visit our Streator Precipitation page.

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

Forecast for Streator (IL)

Wed   Dec 25
4°C | 0°C
E 4 m/s
broken clouds and no rain

broken clouds and no rain

Thu   Dec 26
10°C | 3°C
SE 4 m/s
overcast and no rain

overcast and no rain

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

overcast and rain

The best time of year to visit Streator 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 Streator?
    The hottest season / summer takes place in June, July, August and September.
  • When is winter in Streator?
    The coldest season / winter is in the following months: January, February and December.
  • Which is the warmest month in Streator?
    July has an average maximum temperature of 29°C and is the warmest month of the year.
  • Which is the coldest month in Streator?
    The coldest month is January with an average maximum temperature of 0°C.
  • Which is the wettest month in Streator?
    June tops the wettest month list with 137 mm of rainfall.
  • Which is the driest month in Streator?
    January is the driest month with 46 mm of precipitation.

  • 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.