Mount Vernon (IL) Weather and Climate: A Comprehensive Guide
The climate in Mount Vernon is marked by big temperature swings throughout the year.
Temperatures range from very warm during the warmest months
to cold in the cooler months.
It also has a relatively rain/snowy climate with high levels of precipitation.
Let’s explore the climate details in depth to provide you with a complete overview.
Average maximum day and minimum night temperature
In Mount Vernon, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a very warm 31°C in July to a chilly 4°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
Mount Vernon experiences significant rain/snowfall throughout the year, averaging 1215 mm of precipitation annually. The seasons in Mount Vernon, bring significant changes in precipitation. The wettest month, April, receives high rainfall, with an average of 134 mm of precipitation. This rainfall is distributed across 11 rainy days. In contrast, the driest month, January, experiences much less snow/rainfall, totaling 59 mm over 8 snowy/rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Mount Vernon Precipitation page.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
broken clouds and rain broken clouds and small chance of rain overcast and heavy rainForecast for Mount Vernon (IL)
4 m/s
4 m/s
5 m/s
The best time of year to visit Mount Vernon in the United States of America
Other facts from our historical weather data:The hottest season / summer takes place in June, July, August and September.
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 4°C.
April tops the wettest month list with 134 mm of rainfall.
January is the driest month with 59 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.
