Benton (IL) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Benton.
Climate overview of Benton
The climate in Benton, Illinois, United States of America, is marked by large temperature swings across the seasons, ranging from 31°C (88°F) in July to 5°C (41°F) in January.
With around 1151 mm (45 in) of annual rain/snowfall, Benton has a notably wet climate. However, this rain/snowfall is not evenly distributed, the city has very warm summers and cold winters. The wettest month is April.
Benton Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Benton - and find the best time to visit.
Monthly Temperature in Benton
In Benton, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a very warm 31°C (88°F) in July. In January, the coolest month of the year, temperatures drop to a chilly 5°C (41°F).
At night, temperatures range from around 20°C (68°F) in July to -5°C (23°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Benton
Benton experiences significant rain/snowfall throughout the year, averaging 1151 mm (45 in) of precipitation annually. Benton experiences moderate seasonal variation in rainfall, with monthly averages ranging from 132 mm (5.2 in) in April, the wettest month, and 62 mm (2.4 in) in January, the driest month. For more details, please visit our Benton Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Benton
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: September and October
- Warmest weather: June, July and August
- Seasonal pattern: Very warm summers and cold winters
- Coldest conditions: January, with freezing nights around -5°C (23°F).
Frequently asked questions about the climate in Benton
What is the best time to visit Benton?
September and October typically offer the most optimal weather in Benton. In contrast, January, February and December tend to have less optimal conditions. Benton has very warm summers and cold winters.
What temperatures can I expect in Benton?
Daytime highs range from 5°C (41°F) in January to 31°C (88°F) in July. Nighttime lows range from -5°C (23°F) to 20°C (68°F). Temperatures vary considerably through the year.
How much rain does Benton get?
Annual rainfall is around 1151 mm (45 in). April is the wettest month with 132 mm (5.2 in), while January is the driest with 62 mm (2.4 in).
Benton 3-Day Forecast
Benton on the map
Benton is highlighted - select any city to see its climate.
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