2025 Compare Climate & Weather:
Denver, CO vs Princeton, NJ

Highlights

On average, there are 204 sunny days per year in Princeton. Denver averages 245 sunny days per year. The US average is 205 sunny days.

Princeton, New Jersey gets 47.4 inches of rain, on average, per year. Denver, Colorado gets 16.7 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. Denver averages 60.2 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

Denver, Colorado
Summer High: the July high is around 88.9 degrees
Winter Low: the January low is 17.9
Rain: averages 16.7 inches of rain a year
Snow: averages 60.2 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 Denver is 7.3 (10=best), which means it is more comfortable than most places in Colorado.

Today's Weather - Denver, CO

60°F

Today's Weather - Princeton, NJ

66°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Denver / Princeton

July is the hottest month for Denver with an average high temperature of 88.9°, which ranks it as warmer than most places in Colorado. In Denver, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Denver are September, June and May.

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.

December has the coldest nighttime temperatures for Denver with an average of 16.9°. This is warmer than most places in Colorado.

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

In Denver, there are 33.7 days annually when the high temperature is over 90°, which is hotter than most 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 Denver, there are 155.1 days annually when the nighttime low temperature falls below freezing, which is warmer than most 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 Denver, there are 5.5 days annually when the nighttime low temperature falls below zero°, which is warmer than most 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.

May is the wettest month in Denver with 2.4 inches of rain, and the driest month is January with 0.5 inches. The wettest season is Autumn with 36% of yearly precipitation and 10% occurs in Spring, which is the driest season. The annual rainfall of 16.7 inches in Denver means that it 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 rainiest month in Denver with 10.1 days of rain, and January is the driest month with only 4.7 rainy days. There are 83.1 rainy days annually in Denver, which is rainier than most places in Colorado. The rainiest season is Summer when it rains 30% of the time and the driest is Spring with only a 18% 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 60.2 inches in Denver means that it is about average compared to other places in Colorado.

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

March is the snowiest month in Denver with 11.7 inches of snow, and 9 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.