Greenville (IL) Weather and Climate: A Comprehensive Guide
Greenville experiences great temperature shifts.
The city's weather can transition from very warm days
to cold weather.
It also has a relatively rain/snowy climate with high levels of precipitation.
Now, let’s explore all the climate details to give you a full picture.
Average maximum day and minimum night temperature
The climate in Greenville is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a very warm 31°C in July to a chilly 3°C in January.
Nighttime temperatures can drop, with average lows reaching -6°C in January. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
Greenville has a notably wet climate with abundant precipitation, recording 1147 mm of rain/snowfall per year. The seasons in Greenville, bring significant changes in precipitation. The wettest month, June, receives high rainfall, with an average of 138 mm of precipitation. This rainfall is distributed across 13 rainy days. In contrast, the driest month, January, experiences much less snow/rainfall, totaling 58 mm over 8 snowy/rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Greenville Precipitation page.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
In Greenville, summer days are longer and more sunny, with daily sunshine hours peaking at 10.4 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 4.3 hours per average day. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Average humidity
The relative humidity is high throughout the year in Greenville.
The city experiences its highest humidity in December, reaching 74%. In April, the humidity drops to its lowest level at 63%. Explore our detailed page on humidity levels for further details.
Relative humidity over the year
broken clouds and rain broken clouds and no rain overcast and rainForecast for Greenville (IL)
4 m/s
4 m/s
5 m/s
The best time of year to visit Greenville in the United States of America
Other facts from our historical weather data:July has an average maximum temperature of 31°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 3°C.
June tops the wettest month list with 138 mm of rainfall.
January is the driest month with 58 mm of precipitation.
July is the sunniest month with an average of 311 hours of sunshine.
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.
