2025 Compare Climate & Weather:
Washington, DC vs New Haven, CT

Highlights

On average, there are 204 sunny days per year in New Haven. Washington averages 203 sunny days per year. The US average is 205 sunny days.

New Haven, Connecticut gets 48.1 inches of rain, on average, per year. Washington, District of Columbia gets 43.3 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

New Haven averages 29.1 inches of snow per year. Washington averages 13.7 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

New Haven, Connecticut
Summer High: the July high is around 83.4 degrees
Winter Low: the January low is 20.5
Rain: averages 48.1 inches of rain a year
Snow: averages 29.1 inches of snow a year

Washington, District of Columbia
Summer High: the July high is around 88.5 degrees
Winter Low: the January low is 26.5
Rain: averages 43.3 inches of rain a year
Snow: averages 13.7 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for New Haven is 7.2 (10=best), which means it is one of the most pleasant places in Connecticut.

The annual BestPlaces Comfort Index for Washington is 7.3 (10=best), which means it is one of the most pleasant places in the District of Columbia.

Today's Weather - Washington, DC

76°F

Today's Weather - New Haven, CT

70°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Washington / New Haven

July is the hottest month for Washington with an average high temperature of 88.5°, which ranks it as one of the hottest places in the District of Columbia. In Washington, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Washington are September, May and June.

July is the hottest month for New Haven with an average high temperature of 83.4°, which ranks it as warmer than most places in Connecticut. In New Haven, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for New Haven are June, September and August.

January has the coldest nighttime temperatures for Washington with an average of 26.5°. This is one of the warmest places in the District of Columbia.

January has the coldest nighttime temperatures for New Haven with an average of 20.5°. This is warmer than most places in Connecticut.

In Washington, there are 35.8 days annually when the high temperature is over 90°, which is one of the hottest places in the District of Columbia.

In New Haven, there are 7.6 days annually when the high temperature is over 90°, which is about average compared to other places in Connecticut.

In Washington, there are 79.3 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in the District of Columbia.

In New Haven, there are 112.8 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Connecticut.

In Washington, there are 0.3 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in the District of Columbia.

In New Haven, there are 1.1 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Connecticut.

July is the wettest month in Washington with 4.4 inches of rain, and the driest month is February with 2.8 inches. The wettest season is Autumn with 27% of yearly precipitation and 21% occurs in Spring, which is the driest season. The annual rainfall of 43.3 inches in Washington means that it is one of the wettest places in the District of Columbia.


April is the wettest month in New Haven with 4.5 inches of rain, and the driest month is February with 3.1 inches. The wettest season is Summer with 27% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 48.1 inches in New Haven means that it is drier than most places in Connecticut.

May is the rainiest month in Washington with 11.5 days of rain, and October is the driest month with only 8.1 rainy days. There are 114.3 rainy days annually in Washington, which is one of the rainiest places in the District of Columbia. 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 New Haven with 10.7 days of rain, and August is the driest month with only 7.8 rainy days. There are 107.7 rainy days annually in New Haven, which is one of the least rainy places in Connecticut. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 23% chance of a rainy day.

An annual snowfall of 13.7 inches in Washington means that it is one of the snowiest places in the District of Columbia.

An annual snowfall of 29.1 inches in New Haven means that it is less snowy than most places in Connecticut.

January is the snowiest month in Washington with 5.5 inches of snow, and 5 months of the year have significant snowfall.

January is the snowiest month in New Haven with 8.4 inches of snow, and 6 months of the year have significant snowfall.