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

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

Climate overview of Kewanee

Kewanee, Illinois, United States of America, sees big temperature differences between seasons, with July peaking at 28°C (82°F) and January dropping to -1°C (30°F).

With around 1043 mm (41 in) of annual rain/snowfall, Kewanee has a notably wet climate. The wettest month is June. The sunniest month is July, with 10.1 hours of sunshine per day on average.

Kewanee Weather by Month

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

Monthly Temperature in Kewanee

Visitors to Kewanee can expect significant temperature changes throughout the year. Average daytime temperatures reach a comfortable 28°C (82°F) in July. In January, the coolest month of the year, temperatures drop to a very cold -1°C (30°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 Kewanee

Kewanee is known for its substantial rain/snowfall, with annual precipitation reaching 1043 mm (41 in). Kewanee can be quite wet during June, receiving approximately 142 mm (5.6 in) of precipitation over 14 rainy days.

In contrast, during the driest month (January), you will experience much drier conditions, with 42 mm (1.7 in) of precipitation spread across 10 snowy days days. For more details, please visit our Kewanee Precipitation page.

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

Sunshine Hours in Kewanee

Kewanee can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 10.1 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 3.8 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Davenport, the United States of America (62 KM, 38 Miles).

Daily hours of sunshine

Data from: Davenport, the United States of America (62 KM, 38 Miles).

Humidity in Kewanee by Month

Best Time to Visit Kewanee

During May, June, July, August and September, Kewanee experiences its most favorable weather, with temperatures between 22°C (72°F) and 28°C (83°F). These mild conditions make it an excellent time for a visit.

The weather does bring rainfall during this period, between 87 mm (3.4 in) and 142 mm (5.6 in).

Wondering where to travel based on your weather preferences? Our recommendation tool helps you find destinations with your ideal climate conditions. Use our weather planner to find your perfect destination.

Frequently asked questions about the climate in Kewanee

What is the best time to visit Kewanee?

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

What temperatures can I expect in Kewanee?

Daytime highs range from -1°C (30°F) in January to 28°C (82°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 Kewanee get?

Annual rainfall is around 1043 mm (41 in). June is the wettest month with 142 mm (5.6 in), while January is the driest with 42 mm (1.7 in).

How sunny is Kewanee?

Kewanee receives around 2,466 hours of sunshine per year. July is the sunniest month with 303 hours, while December is the cloudiest with just 115 hours. Overall, Kewanee enjoys abundant sunshine.

Kewanee 3-Day Forecast

Kewanee (IL) 3-Day Forecast

Kewanee on the map

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

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