2025 Compare Climate & Weather:
Princeton, NJ vs Fort Collins, CO

Highlights

On average, there are 237 sunny days per year in Fort Collins. Princeton averages 204 sunny days per year. The US average is 205 sunny days.

Fort Collins, Colorado gets 15.6 inches of rain, on average, per year. Princeton, New Jersey gets 47.4 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Fort Collins averages 48.1 inches of snow per year. Princeton averages 24 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Fort Collins, Colorado
Summer High: the July high is around 87 degrees
Winter Low: the January low is 15.3
Rain: averages 15.6 inches of rain a year
Snow: averages 48.1 inches of snow a year

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

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Fort Collins is 7.2 (10=best), which means it is more comfortable than most places in Colorado.

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.

Today's Weather - Princeton, NJ

77°F

Today's Weather - Fort Collins, CO

66°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Princeton / Fort Collins

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.

July is the hottest month for Fort Collins with an average high temperature of 87.0°, which ranks it as about average compared to other places in Colorado. In Fort Collins, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Fort Collins are September, June and August.

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

December has the coldest nighttime temperatures for Fort Collins with an average of 14.9°. This is about average compared to other places in Colorado.

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 Collins, there are 23.6 days annually when the high temperature is over 90°, which is about average compared to other places in Colorado.

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 Collins, there are 163.6 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Colorado.

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.

In Fort Collins, there are 7.1 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Colorado.

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 wettest month in Fort Collins with 2.4 inches of rain, and the driest month is January with 0.4 inches. The wettest season is Summer with 39% of yearly precipitation and 8% occurs in Spring, which is the driest season. The annual rainfall of 15.6 inches in Fort Collins means that it is drier than most places in Colorado.

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.

May is the rainiest month in Fort Collins with 11.2 days of rain, and December is the driest month with only 4.5 rainy days. There are 89.8 rainy days annually in Fort Collins, which is rainier than most places in Colorado. The rainiest season is Autumn when it rains 31% of the time and the driest is Spring with only a 16% chance of a rainy day.

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

An annual snowfall of 48.1 inches in Fort Collins means that it is about average compared to other places in Colorado.

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

March is the snowiest month in Fort Collins with 10.9 inches of snow, and 9 months of the year have significant snowfall.