Best year time to visit Valley Forge

General weather information about Valley Forge

Average annual temperature is 14.4 °C

Absolute maximum temperature: 33.5 °C

Absolute minimum temperature: -7.4 °C

Number of sunny days: 166 days

Number of rainy days: 194 days

Number of snow days: 5 days

* Weather data for Valley Forge 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)	20.3	25.3	25.9	28.3	27.8	31.2	33.5	33.2	31.6	27.9	25.7	18.7
Average daytime temperature (°C)	11.4	14.5	15.0	20.5	22.9	26.0	30.3	28.6	26.5	20.8	15.6	11.4
Average temperature (°C)	6.4	9.0	9.1	13.9	16.8	20.1	24.2	23.0	20.2	14.8	9.0	6.1
Average night temperature (°C)	2.5	4.9	4.3	8.6	11.8	15.2	19.3	18.5	15.3	10.0	4.2	2.3
Absolute minimum temperature (°C)	-7.4	-7.2	-6.9	0.3	4.5	9.6	15.3	13.5	11.5	3.2	-4.9	-5.5

The best time to visit Valley Forge during the most sunny months:

The largest precipitation sum in Valley Forge is at

January — 116(mm)

February — 130(mm)

May — 125(mm)

August — 120(mm)

December — 113(mm)

When is the best time to visit Valley Forge?

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

What is the weather like in Valley Forge?

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

How many sunny days does Valley Forge have?

The monthly weather statistics above show sunshine and rainfall patterns for Valley Forge throughout the year.