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King of Prussia (PA) Weather and Climate: A Comprehensive Guide

The temperature in King of Prussia can vary greatly throughout the year. The temperatures shift from very warm to cold. It also experiences much rain/snowfall throughout the year. Let’s explore the climate details in depth to provide you with a complete overview.

Average maximum day and minimum night temperature

Depending on the time of the year, temperatures range from very warm to chilly in King of Prussia. Average daytime temperatures reach a very warm 31°C in July. In January, the coolest month of the year, temperatures drop to a chilly 5°C.

At night, you can expect cooler temperatures, with averages dropping to around -5°C during this month. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

King of Prussia has a relatively rain/snowy climate with high precipitation levels, averaging 1287 mm of rain/snowfall annually. King of Prussia experiences moderate seasonal variation in rainfall, with monthly averages ranging from 143 mm in August, the wettest month, and 78 mm in November, the driest month.

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

Sunshine over the year

King of Prussia can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 9.2 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 4.7 hours of sunlight per day. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Philadelphia, the United States of America (24 KM, 15 Miles).

Daily hours of sunshine

Data from: Philadelphia, the United States of America (24 KM, 15 Miles).

Average water temperature

The mean water temperature over the year ranges from 5°C in February to 25°C in August.

Water temperature over the year

Data from: Philadelphia, the United States of America (24 KM, 15 Miles).

Forecast for King of Prussia (PA)

Sun   Dec 22
-4°C | -11°C
NW 4 m/s
clear and no rain

clear and no rain

Mon   Dec 23
-1°C | -12°C
SE 2 m/s
partly cloudy and no rain

partly cloudy and no rain

Tue   Dec 24
4°C | -5°C
SW 2 m/s
2.7 mm
partly cloudy and snow

partly cloudy and snow

The best time of year to visit King of Prussia in the United States of America

Other facts from our historical weather data:
  • When is summer in King of Prussia?
    The hottest season / summer takes place in June, July, August and September.
  • Which is the warmest month in King of Prussia?
    July has an average maximum temperature of 31°C and is the warmest month of the year.
  • Which is the coldest month in King of Prussia?
    The coldest month is January with an average maximum temperature of 5°C.
  • Which is the wettest month in King of Prussia?
    August tops the wettest month list with 143 mm of rainfall.
  • Which is the driest month in King of Prussia?
    November is the driest month with 78 mm of precipitation.
  • Which is the sunniest month in King of Prussia?
    July is the sunniest month with an average of 275 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.