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Gilman (IL) Weather and Climate: A Comprehensive Guide

Gilman experiences great temperature shifts. The city's weather can transition from warm days to very cold weather. It also has a notably wet climate with much precipitation. Now, let’s break down all the climate details for a clearer picture.

Average maximum day and minimum night temperature

The climate in Gilman is known for significant temperature differences throughout the year, making the weather dynamic. 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 February.

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

Gilman has a notably wet climate with abundant precipitation, recording 1087 mm of rain/snowfall per year. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, June receives high rainfall, averaging 144 mm of precipitation, recorded across 14 rainy days. In contrast, the drier season, January brings less snowfall, with 53 mm over 10 snowy days. For more details, please visit our Gilman Precipitation page.

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

Forecast for Gilman (IL)

Mon   Dec 23
7°C | -2°C
S 9 m/s
broken clouds and no rain

broken clouds and no rain

Tue   Dec 24
5°C | -1°C
E 3 m/s
overcast and no rain

overcast and no rain

Wed   Dec 25
4°C | 0°C
E 3 m/s
overcast and no rain

overcast and no rain

The best time of year to visit Gilman 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 Gilman?
    The hottest season / summer takes place in June, July, August and September.
  • Which is the warmest month in Gilman?
    July has an average maximum temperature of 29°C and is the warmest month of the year.
  • Which is the coldest month in Gilman?
    The coldest month is February with an average maximum temperature of 0°C.
  • Which is the wettest month in Gilman?
    June tops the wettest month list with 144 mm of rainfall.
  • Which is the driest month in Gilman?
    January is the driest month with 53 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.