Best year time to visit Willow Grove

General weather information about Willow Grove

Average annual temperature is 11.7 °C

Absolute maximum temperature: 33.8 °C

Absolute minimum temperature: -19.5 °C

Number of sunny days: 160 days

Number of rainy days: 196 days

Number of snow days: 9 days

* Weather data for Willow Grove 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)	16.9	17.5	14.9	31.0	28.0	33.3	32.2	30.3	33.8	27.5	19.0	15.6
Average daytime temperature (°C)	7.0	6.8	9.1	17.6	21.0	24.7	28.5	26.0	23.1	18.4	9.9	8.1
Average temperature (°C)	3.3	1.8	3.9	11.4	14.9	19.0	23.1	21.1	18.3	13.4	5.0	3.8
Average night temperature (°C)	0.3	-2.1	-0.2	6.8	9.4	14.6	18.7	17.0	14.5	9.5	1.1	0.6
Absolute minimum temperature (°C)	-3.9	-19.5	-4.5	-0.7	4.8	9.5	13.8	13.5	8.2	3.6	-4.5	-6.5

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

The largest precipitation sum in Willow Grove is at

July — 193(mm)

September — 238(mm)

December — 244(mm)

When is the best time to visit Willow Grove?

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

What is the weather like in Willow Grove?

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

How many sunny days does Willow Grove have?

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