Best year time to visit Willow Brook

General weather information about Willow Brook

Average annual temperature is 13.7 °C

Absolute maximum temperature: 37.1 °C

Absolute minimum temperature: -12.4 °C

Number of sunny days: 204 days

Number of rainy days: 152 days

Number of snow days: 9 days

* Weather data for Willow Brook United States is based on climate observations for 2026 year

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	13.0	17.9	22.0	28.9	32.1	37.1	36.5	36.8	34.7	32.5	22.6	15.7
Average daytime temperature (°C)	5.4	9.2	11.0	19.9	26.4	30.5	30.8	30.1	28.2	20.4	12.8	8.7
Average temperature (°C)	0.7	2.3	5.2	12.7	19.7	24.3	25.2	24.9	22.2	15.0	7.3	4.3
Average night temperature (°C)	-2.9	-2.7	1.0	7.2	13.7	18.6	20.6	20.7	16.9	10.6	3.0	1.0
Absolute minimum temperature (°C)	-12.2	-12.4	-9.5	-2.3	4.5	12.3	15.9	15.0	12.5	-3.2	-6.6	-4.4

The best time to visit Willow Brook during the most sunny months:

The largest precipitation sum in Willow Brook is at

June — 123(mm)

August — 155(mm)

December — 109(mm)

When is the best time to visit Willow Brook?

The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Willow Brook.

What is the weather like in Willow Brook?

See average temperature, rainfall and daylight hours for Willow Brook by month in the table above.

How many sunny days does Willow Brook have?

The monthly weather statistics above show sunshine and rainfall patterns for Willow Brook throughout the year.