Rochelle (IL) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Rochelle.
Climate overview of Rochelle
The climate in Rochelle, Illinois, United States of America, is marked by large temperature swings across the seasons, ranging from 28°C (82°F) in July to -2°C (28°F) in January.
The city receives around 976 mm (38 in) of rain/snowfall per year. June is the wettest month and January the driest.
Rochelle Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Rochelle — and find the best time to visit.
Monthly Temperature in Rochelle
In Rochelle, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 28°C (82°F) in July to a very cold -2°C (28°F) in January.
Nighttime temperatures range from 16°C (61°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 Rochelle
On average, Rochelle receives a reasonable amount of rain/snowfall, with an annual precipitation of 976 mm (38 in). The seasons in Rochelle bring significant changes in precipitation. The wettest month, June, receives high rainfall, with an average of 142 mm (5.6 in) of precipitation. This rainfall is distributed across 13 rainy days.
In contrast, the driest month, January, experiences much less snowfall, totaling 39 mm (1.5 in) over 9 snowy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Rochelle 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 Rochelle
Frequently asked questions about the climate in Rochelle
What is the best time to visit Rochelle?
September typically offers the most optimal weather in Rochelle. In contrast, January, February, March, November and December tend to have less optimal conditions.
What temperatures can I expect in Rochelle?
Daytime highs range from -2°C (28°F) in January to 28°C (82°F) in July. Nighttime lows range from -11°C (12°F) to 16°C (61°F). Temperatures vary considerably through the year.
How much rain does Rochelle get?
Annual rainfall is around 976 mm (38 in). June is the wettest month with 142 mm (5.6 in), while January is the driest with 39 mm (1.5 in).
Rochelle 3-Day Forecast
Rochelle (IL) 3-Day Forecast
Rochelle on the map
Rochelle is highlighted — select any city to see its climate.
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