Mount Vernon (IL) Climate by Month
The graphs below provide an overview of the climate in Mount Vernon (Illinois), the United States of America. They present long-term patterns and averages of weather conditions over a 30-year period.
The graphs below provide an overview of the climate in Mount Vernon (Illinois), the United States of America. They present long-term patterns and averages of weather conditions over a 30-year period.
almost clear and no rain
broken clouds and rain
broken clouds and thunder
Other facts from our historical weather data: