Du Quoin (IL) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Du Quoin.
Climate overview of Du Quoin
Temperatures in Du Quoin, Illinois, United States of America, vary greatly throughout the year. July is the hottest month at 31°C (88°F), while January is the coldest at 5°C (41°F).
The city receives considerable rain/snowfall, with around 1274 mm (50 in) annually. May is the wettest month. It has very warm summers and cold winters.
Du Quoin Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Du Quoin - and find the best time to visit.
Monthly Temperature in Du Quoin
The climate in Du Quoin is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a very warm 31°C (88°F) in July to a chilly 5°C (41°F) in the coolest month, January.
Nights vary from 20°C (68°F) in July to around -5°C (23°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Du Quoin
Du Quoin has a notably wet climate with abundant precipitation, recording 1274 mm (50 in) of rain/snowfall per year. The climate in Du Quoin shows significant variation throughout the year. Expect high rainfall in May, the wettest month, with an average of 147 mm (5.8 in) of precipitation over 13 rainy days.
In contrast, the driest month January offers drier and sunnier days, with around 65 mm (2.6 in) of snow/rainfall over 8 snowy/rainy days. For more details, please visit our Du Quoin 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 Du Quoin
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 Du Quoin
What is the best time to visit Du Quoin?
September and October typically offer the most optimal weather in Du Quoin. In contrast, January, February and December tend to have less optimal conditions. Du Quoin has very warm summers and cold winters.
What temperatures can I expect in Du Quoin?
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 Du Quoin get?
Annual rainfall is around 1274 mm (50 in). May is the wettest month with 147 mm (5.8 in), while January is the driest with 65 mm (2.6 in).
Du Quoin 3-Day Forecast
Du Quoin (IL) 3-Day Forecast
Du Quoin on the map
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