Brookfield (WI) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Brookfield.
Climate overview of Brookfield
Brookfield, Wisconsin, United States of America, sees big temperature differences between seasons, with July peaking at 28°C (82°F) and January dropping to -2°C (28°F).
Annual rain/snowfall is moderate at around 959 mm (38 in), with June being the wettest month. The city also has warm summers and very cold winters. The sunniest month is July, with 10.6 hours of sunshine per day on average.
Brookfield Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Brookfield - and find the best time to visit.
Monthly Temperature in Brookfield
Visitors to Brookfield 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 -2°C (28°F).
At night, temperatures range from around 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 Brookfield
Generally, Brookfield experiences moderate precipitation patterns, averaging 959 mm (38 in) yearly. Brookfield can be quite wet during June, receiving approximately 143 mm (5.6 in) of precipitation over 12 rainy days.
In contrast, during the driest month (January), you will experience much drier conditions, with 34 mm (1.3 in) of precipitation spread across 10 snowy days. For more details, please visit our Brookfield Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Brookfield
Brookfield can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 10.6 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 3.5 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Brookfield by Month
The relative humidity is high throughout the year in Brookfield.
The city experiences its highest humidity in December, reaching 76%. In April, the humidity drops to its lowest level at 68%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Brookfield
Each month is rated for comfortable sightseeing weather — mild temperatures and low rainfall. Tap a month for its full averages; your ideal time may differ for a beach or winter trip (see below).
- Best overall: May, July, August and September
- Warmest weather: July and August
- Most sunshine: June and July
- Climate seasons: warm summers and very cold winters
- Best for winter weather: January, with freezing nights around -11°C (12°F).
Frequently asked questions about the climate in Brookfield
What is the best time to visit Brookfield?
May, July, August and September typically offer the most optimal weather in Brookfield. In contrast, January, February, March, April, November and December tend to have less optimal conditions. Brookfield has warm summers and very cold winters.
What temperatures can I expect in Brookfield?
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 Brookfield get?
Annual rainfall is around 959 mm (38 in). June is the wettest month with 143 mm (5.6 in), while January is the driest with 34 mm (1.3 in).
How sunny is Brookfield?
Brookfield receives around 2,486 hours of sunshine per year. July is the sunniest month with 319 hours, while December is the cloudiest with just 104 hours. Overall, Brookfield enjoys abundant sunshine.
Brookfield 3-Day Forecast
Brookfield (WI) 3-Day Forecast
Brookfield on the map
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