Typical Weather in Rockford, IL in May
71° F Avg High
49° F Avg Low
7 Rainy Days
☀️ Temperature Summary
Highs in May are typically around 71°F, which is warmer than usual in Rockford. Lows overnight are typically around 49°F. Daily high temperatures can range between 66°F and 77°F, and will often rise as the month goes on.
May is a great time to visit Rockford, 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
In May you can expect close to a 24% chance of rain for any given day. It rains more than usual in May, with total rainfall for the month typically near 4 inches.
Rainfall Throughout the Year
Planning a trip to Rockford? Try our free trip weather planner