2025 Compare Climate & Weather:
Fort Indiantown Gap, PA vs Princeton, NJ

Highlights

On average, there are 204 sunny days per year in Princeton. Fort Indiantown Gap averages 197 sunny days per year. The US average is 205 sunny days.

Princeton, New Jersey gets 47.4 inches of rain, on average, per year. Fort Indiantown Gap, Pennsylvania gets 44.1 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Princeton averages 24 inches of snow per year. Fort Indiantown Gap averages 24.8 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Princeton, New Jersey
Summer High: the July high is around 85.6 degrees
Winter Low: the January low is 22
Rain: averages 47.4 inches of rain a year
Snow: averages 24 inches of snow a year

Fort Indiantown Gap, Pennsylvania
Summer High: the July high is around 84.3 degrees
Winter Low: the January low is 20.7
Rain: averages 44.1 inches of rain a year
Snow: averages 24.8 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Princeton is 7.2 (10=best), which means it is about average compared to other places in New Jersey.

The annual BestPlaces Comfort Index for Fort Indiantown Gap is 7.1 (10=best), which means it is more comfortable than most places in Pennsylvania.

Today's Weather - Fort Indiantown Gap, PA

48°F

Today's Weather - Princeton, NJ

49°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Fort Indiantown Gap / Princeton

July is the hottest month for Fort Indiantown Gap with an average high temperature of 84.3°, which ranks it as warmer than most places in Pennsylvania. In Fort Indiantown Gap, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Fort Indiantown Gap are June, September and August.

July is the hottest month for Princeton with an average high temperature of 85.6°, which ranks it as warmer than most places in New Jersey. In Princeton, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Princeton are September, June and August.

January has the coldest nighttime temperatures for Fort Indiantown Gap with an average of 20.7°. This is warmer than most places in Pennsylvania.

January has the coldest nighttime temperatures for Princeton with an average of 22.0°. This is colder than most places in New Jersey.

In Fort Indiantown Gap, there are 12.0 days annually when the high temperature is over 90°, which is hotter than most places in Pennsylvania.

In Princeton, there are 16.8 days annually when the high temperature is over 90°, which is about average compared to other places in New Jersey.

In Fort Indiantown Gap, there are 118.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Pennsylvania.

In Princeton, there are 109.7 days annually when the nighttime low temperature falls below freezing, which is colder than most places in New Jersey.

In Fort Indiantown Gap, there are 1.1 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Pennsylvania.

In Princeton, there are 0.3 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in New Jersey.

July is the wettest month in Fort Indiantown Gap with 4.5 inches of rain, and the driest month is February with 2.7 inches. The wettest season is Autumn with 28% of yearly precipitation and 21% occurs in Spring, which is the driest season. The annual rainfall of 44.1 inches in Fort Indiantown Gap means that it is wetter than most places in Pennsylvania.


July is the wettest month in Princeton with 5.1 inches of rain, and the driest month is February with 2.5 inches. The wettest season is Autumn with 29% of yearly precipitation and 20% occurs in Spring, which is the driest season. The annual rainfall of 47.4 inches in Princeton means that it is about average compared to other places in New Jersey.

May is the rainiest month in Fort Indiantown Gap with 12.2 days of rain, and February is the driest month with only 8.7 rainy days. There are 120.0 rainy days annually in Fort Indiantown Gap, which is less rainy than most places in Pennsylvania. The rainiest season is Summer when it rains 28% of the time and the driest is Spring with only a 23% chance of a rainy day.

May is the rainiest month in Princeton with 12.4 days of rain, and September is the driest month with only 8.7 rainy days. There are 124.6 rainy days annually in Princeton, which is one of the rainiest places in New Jersey. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 22% chance of a rainy day.

An annual snowfall of 24.8 inches in Fort Indiantown Gap means that it is less snowy than most places in Pennsylvania.

An annual snowfall of 24.0 inches in Princeton means that it is about average compared to other places in New Jersey.

February is the snowiest month in Fort Indiantown Gap with 8.8 inches of snow, and 5 months of the year have significant snowfall.

February is the snowiest month in Princeton with 8.3 inches of snow, and 5 months of the year have significant snowfall.