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Roscoe (IL) Weather and Climate: A Comprehensive Guide

The temperature in Roscoe 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 experiences much rain/snowfall throughout the year. Let’s explore the climate details in depth to provide you with a complete overview.

Average maximum day and minimum night temperature

Visitors to Roscoe can expect significant temperature changes throughout the year. Average daytime temperatures reach a comfortable 26°C in July. In February, the coolest month of the year, temperatures drop to a very cold -1°C.

At night, you can expect cooler temperatures, with averages dropping to around -12°C during this month. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Roscoe is known for its substantial rain/snowfall, with annual precipitation reaching 1377 mm. Roscoe experiences moderate seasonal variation in rainfall, with monthly averages ranging from 163 mm in June, the wettest month, and 79 mm in January, the driest month.

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

Forecast for Roscoe (IL)

Mon   Dec 23
-5°C | -21°C
S 3 m/s
almost clear and no rain

almost clear and no rain

Tue   Dec 24
0°C | -9°C
NW 4 m/s
11 mm
overcast and snow

overcast and snow

Wed   Dec 25
-2°C | -12°C
N 2 m/s
broken clouds and no rain

broken clouds and no rain

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

During the months of June, July, August 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 Roscoe?
    The coldest season / winter is in the following months: January, February and December.
  • Which is the warmest month in Roscoe?
    July has an average maximum temperature of 26°C and is the warmest month of the year.
  • Which is the coldest month in Roscoe?
    The coldest month is February with an average maximum temperature of -1°C.
  • Which is the wettest month in Roscoe?
    June tops the wettest month list with 163 mm of rainfall.
  • Which is the driest month in Roscoe?
    January is the driest month with 79 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.