Climate in Zip 19401 (Norristown, PA)

Norristown (zip 19401), Pennsylvania gets 47 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Norristown (zip 19401) averages 17 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 205 sunny days per year in Norristown (zip 19401). The US average is 205 sunny days.

Norristown (zip 19401) gets some kind of precipitation, on average, 114 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.

Weather Highlights

Summer High: the July high is around 87 degrees
Winter Low: the January low is 21
Rain: averages 47 inches of rain a year
Snow: averages 17 inches of snow a year

BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for the 19401 zip code is 7.2 (10=best), which means it is one of the most pleasant places in Pennsylvania.

July is the hottest month for the 19401 zip code with an average high temperature of 87.2°, which ranks it as one of the hottest places in Pennsylvania. In the 19401 zip code, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 19401 zip code are September, May and June.

January has the coldest nighttime temperatures for the 19401 zip code with an average of 21.2°. This is warmer than most places in Pennsylvania.

In the 19401 zip code, there are 25.2 days annually when the high temperature is over 90°, which is one of the hottest places in Pennsylvania.

In the 19401 zip code, there are 115.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Pennsylvania.

In the 19401 zip code, there are 1.2 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Pennsylvania.

September is the wettest month in the 19401 zip code with 4.6 inches of rain, and the driest month is February with 2.9 inches. The wettest season is Autumn with 26% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 46.9 inches in the 19401 zip code means that it is wetter than most places in Pennsylvania.

April is the rainiest month in the 19401 zip code with 11.5 days of rain, and September is the driest month with only 8.0 rainy days. There are 113.6 rainy days annually in the 19401 zip code, which is one of the least rainy places in Pennsylvania. The rainiest season is Summer when it rains 29% of the time and the driest is Winter with only a 22% chance of a rainy day.

An annual snowfall of 16.7 inches in the 19401 zip code means that it is one of the least snowy places in Pennsylvania. February is the snowiest month in the 19401 zip code with 7.4 inches of snow, and 4 months of the year have significant snowfall.

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