Danville (IL) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Danville.
Climate overview of Danville
Danville, Illinois, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 29°C (84°F) in July, while winters cool to 2°C (36°F) in January.
With around 1102 mm (43 in) of annual rain/snowfall, Danville has a notably wet climate. However, this rain/snowfall is not evenly distributed, the city has warm summers and very cold winters. The wettest month is June.
Danville Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Danville - and find the best time to visit.
Monthly Temperature in Danville
Depending on the time of the year, temperatures range from comfortable to very cold in Danville. Average daytime temperatures reach a comfortable 29°C (84°F) in July. In January, the coolest month of the year, temperatures drop to a very cold 2°C (36°F).
At night, temperatures range from around 18°C (64°F) in July to -7°C (19°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Danville
Danville has a relatively rain/snowy climate with high precipitation levels, averaging 1102 mm (43 in) of rain/snowfall annually. Danville can be quite wet during June, receiving approximately 145 mm (5.7 in) of precipitation over 14 rainy days.
In contrast, during the driest month (January), you will experience much drier conditions, with 49 mm (1.9 in) of precipitation spread across 10 snowy/rainy days. For more details, please visit our Danville 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 Danville
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: August and September
- Warmest weather: June, July and August
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -7°C (19°F).
Frequently asked questions about the climate in Danville
What is the best time to visit Danville?
August and September typically offer the most optimal weather in Danville. In contrast, January, February and December tend to have less optimal conditions. Danville has warm summers and very cold winters.
What temperatures can I expect in Danville?
Daytime highs range from 2°C (36°F) in January to 29°C (84°F) in July. Nighttime lows range from -7°C (19°F) to 18°C (64°F). Temperatures vary considerably through the year.
How much rain does Danville get?
Annual rainfall is around 1102 mm (43 in). June is the wettest month with 145 mm (5.7 in), while January is the driest with 49 mm (1.9 in).
Danville 3-Day Forecast
Danville on the map
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Popular this month
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24°C (75°F) San Francisco22°C (72°F) 
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