2025 Compare Climate & Weather:
Princeton, NJ vs Moscow, ID

Highlights

On average, there are 169 sunny days per year in Moscow. Princeton averages 204 sunny days per year. The US average is 205 sunny days.

Moscow, Idaho gets 21.6 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.

Moscow averages 42.8 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

Moscow, Idaho
Summer High: the July high is around 82.7 degrees
Winter Low: the January low is 25.8
Rain: averages 21.6 inches of rain a year
Snow: averages 42.8 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 Moscow is 6.8 (10=best), which means it is more comfortable than most places in Idaho.

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

49°F

Today's Weather - Moscow, ID

59°F

Average Monthly High / Low (°F)

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

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.

August is the hottest month for Moscow with an average high temperature of 83.7°, which ranks it as cooler than most places in Idaho. In Moscow, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Moscow are September, July and June.

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 Moscow with an average of 24.1°. This is one of the warmest places in Idaho.

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 Moscow, there are 16.5 days annually when the high temperature is over 90°, which is about average compared to other places in Idaho.

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 Moscow, there are 122.2 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Idaho.

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 Moscow, there are 2.1 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Idaho.

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.


November is the wettest month in Moscow with 2.9 inches of rain, and the driest month is July with 0.8 inches. The wettest season is Spring with 31% of yearly precipitation and 14% occurs in Autumn, which is the driest season. The annual rainfall of 21.6 inches in Moscow means that it is wetter than most places in Idaho.

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.

November is the rainiest month in Moscow with 14.8 days of rain, and August is the driest month with only 3.8 rainy days. There are 116.0 rainy days annually in Moscow, which is rainier than most places in Idaho. The rainiest season is Spring when it rains 32% of the time and the driest is Autumn with only a 15% 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 42.8 inches in Moscow means that it is about average compared to other places in Idaho.

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

January is the snowiest month in Moscow with 14.6 inches of snow, and 6 months of the year have significant snowfall.