Rockford (IL) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Rockford.
Climate overview of Rockford
Rockford, Illinois, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 29°C (84°F) in July, while winters cool to -2°C (28°F) in January.
Annual rain/snowfall is moderate at around 997 mm (39 in), with June being the wettest month.
Rockford Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Rockford — and find the best time to visit.
Monthly Temperature in Rockford
Depending on the time of the year, temperatures range from comfortable to very cold in Rockford. Average daytime temperatures reach a comfortable 29°C (84°F) in July. In January, the coolest month of the year, temperatures drop to a very cold -2°C (28°F).
At night, temperatures range from around 17°C (63°F) in July to -11°C (12°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Rockford
Generally, Rockford has a moderate amount of precipitation, averaging 997 mm (39 in) of rain/snowfall annually. Rockford can be quite wet during June, receiving approximately 138 mm (5.4 in) of precipitation over 14 rainy days.
In contrast, during the driest month (January), you will experience much drier conditions, with 38 mm (1.5 in) of precipitation spread across 10 snowy days days. For more details, please visit our Rockford Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Rockford
Rainfall during this time ranges from 72 mm (2.8 in) in September to 138 mm (5.4 in) in June. This means you can expect a mix of sunny days and occasional showers. Planning your next adventure but unsure where to go? Our climate tool suggests perfect locations tailored to your preferred weather conditions. Discover your ideal travel destination with our weather planner.
Frequently asked questions about the climate in Rockford
What is the best time to visit Rockford?
May and September typically offer the most optimal weather in Rockford. In contrast, January, February, March, November and December tend to have less optimal conditions.
What temperatures can I expect in Rockford?
Daytime highs range from -2°C (28°F) in January to 29°C (84°F) in July. Nighttime lows range from -11°C (12°F) to 17°C (63°F). Temperatures vary considerably through the year.
How much rain does Rockford get?
Annual rainfall is around 997 mm (39 in). June is the wettest month with 138 mm (5.4 in), while January is the driest with 38 mm (1.5 in).
Rockford 3-Day Forecast
Rockford (IL) 3-Day Forecast
Rockford on the map
Rockford is highlighted — select any city to see its climate.
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