Bourbonnais (IL) Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Bourbonnais.

Climate overview of Bourbonnais

Temperatures in Bourbonnais, Illinois, United States of America, vary greatly throughout the year. July is the hottest month at 29°C (84°F), while January is the coldest at 0°C (32°F).

The city has a wet climate, receiving around 1084 mm (43 in) of rain/snowfall per year. June is the wettest month.

Bourbonnais Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Bourbonnais — and find the best time to visit.

Monthly Temperature in Bourbonnais

The climate in Bourbonnais is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a comfortable 29°C (84°F) in July to a very cold 0°C (32°F) in January.

Nighttime temperatures range from 18°C (64°F) in July to -9°C (16°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Bourbonnais

Bourbonnais has a notably wet climate with abundant precipitation, recording 1084 mm (43 in) of rain/snowfall per year. The seasons in Bourbonnais bring significant changes in precipitation. The wettest month, June, receives high rainfall, with an average of 157 mm (6.2 in) of precipitation. This rainfall is distributed across 13 rainy days.

In contrast, the driest month, February, experiences much less snow/rainfall, totaling 52 mm (2 in) over 10 snowy/rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Bourbonnais Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Best Time to Visit Bourbonnais

Bourbonnais's weather is most enjoyable during May, July, August and September, with comfortable temperatures from 23°C (73°F) to 29°C (84°F). The moderate conditions ensure pleasant weather for exploring the area. Expect varied weather during this period with rainfall between 90 mm (3.5 in) and 118 mm (4.6 in), providing a good balance of sunny and rainy days.

Looking for inspiration on where to travel this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

Frequently asked questions about the climate in Bourbonnais

What is the best time to visit Bourbonnais?

July and September typically offer the most optimal weather in Bourbonnais. In contrast, January, February, March, November and December tend to have less optimal conditions.

What temperatures can I expect in Bourbonnais?

Daytime highs range from 0°C (32°F) in January to 29°C (84°F) in July. Nighttime lows range from -9°C (16°F) to 18°C (64°F). Temperatures vary considerably through the year.

How much rain does Bourbonnais get?

Annual rainfall is around 1084 mm (43 in). June is the wettest month with 157 mm (6.2 in), while February is the driest with 52 mm (2 in).

Bourbonnais 3-Day Forecast

Bourbonnais (IL) 3-Day Forecast

Bourbonnais on the map

Bourbonnais is highlighted — select any city to see its climate.

Popular this month

Where to go in July — average daytime high across popular destinations.

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