Typical Weather in Mount Vernon, IL in April
65° F Avg High
43° F Avg Low
8 Rainy Days
☀️ Temperature Summary
Highs in April are typically around 65°F, which is warmer than usual in Mount Vernon. Lows overnight are typically around 43°F. Temperatures will generally increase as the month goes on, with daily high temperatures ranging between 59°F and 70°F.
April is a great time to visit Mount Vernon, with mild temperatures and sunny days being very common.
High Temps Throughout the Year
🎒 What to Pack
Pick up a few of these items to keep your trip fun and comfortable.
☔ Rain Summary
You can expect about a 26% chance of rain for any given day in April. It's one of the rainier months of the year for Mount Vernon, with total rainfall for the month around 5 inches.
Rainfall Throughout the Year
Planning a trip to Mount Vernon? Try our free trip weather planner