2025 Compare Climate & Weather:
Dover, NH vs Charlestown, RI

Highlights

On average, there are 210 sunny days per year in Charlestown. Dover averages 198 sunny days per year. The US average is 205 sunny days.

Charlestown, Rhode Island gets 50.5 inches of rain, on average, per year. Dover, New Hampshire gets 47.1 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Charlestown averages 26.6 inches of snow per year. Dover averages 52.5 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Charlestown, Rhode Island
Summer High: the July high is around 80.7 degrees
Winter Low: the January low is 19.5
Rain: averages 50.5 inches of rain a year
Snow: averages 26.6 inches of snow a year

Dover, New Hampshire
Summer High: the July high is around 81.2 degrees
Winter Low: the January low is 13.4
Rain: averages 47.1 inches of rain a year
Snow: averages 52.5 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Charlestown is 7.1 (10=best), which means it is one of the most pleasant places in Rhode Island.

The annual BestPlaces Comfort Index for Dover is 6.8 (10=best), which means it is one of the most pleasant places in New Hampshire.

Today's Weather - Dover, NH

63°F

Today's Weather - Charlestown, RI

64°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Dover / Charlestown

July is the hottest month for Dover with an average high temperature of 81.2°, which ranks it as about average compared to other places in New Hampshire. In Dover, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Dover are June, August and July.

July is the hottest month for Charlestown with an average high temperature of 80.7°, which ranks it as about average compared to other places in Rhode Island. In Charlestown, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Charlestown are August, June and July.

January has the coldest nighttime temperatures for Dover with an average of 13.4°. This is warmer than most places in New Hampshire.

January has the coldest nighttime temperatures for Charlestown with an average of 19.5°. This is warmer than most places in Rhode Island.

In Dover, there are 6.7 days annually when the high temperature is over 90°, which is about average compared to other places in New Hampshire.

In Charlestown, there are 3.0 days annually when the high temperature is over 90°, which is cooler than most places in Rhode Island.

In Dover, there are 152.0 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in New Hampshire.

In Charlestown, there are 126.0 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Rhode Island.

In Dover, there are 7.0 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in New Hampshire.

In Charlestown, there are 2.2 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Rhode Island.

March is the wettest month in Dover with 4.5 inches of rain, and the driest month is January with 3.1 inches. The wettest season is Summer with 27% of yearly precipitation and 21% occurs in Spring, which is the driest season. The annual rainfall of 47.1 inches in Dover means that it is wetter than most places in New Hampshire.


March is the wettest month in Charlestown with 5.3 inches of rain, and the driest month is February with 3.5 inches. The wettest season is Summer with 28% of yearly precipitation and 23% occurs in Spring, which is the driest season. The annual rainfall of 50.5 inches in Charlestown means that it is about average compared to other places in Rhode Island.

May is the rainiest month in Dover with 11.4 days of rain, and February is the driest month with only 7.7 rainy days. There are 118.0 rainy days annually in Dover, which is one of the least rainy places in New Hampshire. The rainiest season is Summer when it rains 27% of the time and the driest is Spring with only a 23% chance of a rainy day.

May is the rainiest month in Charlestown with 11.4 days of rain, and July is the driest month with only 8.2 rainy days. There are 114.3 rainy days annually in Charlestown, which is one of the least rainy places in Rhode Island. The rainiest season is Summer when it rains 29% of the time and the driest is Autumn with only a 23% chance of a rainy day.

An annual snowfall of 52.5 inches in Dover means that it is one of the least snowy places in New Hampshire.

An annual snowfall of 26.6 inches in Charlestown means that it is one of the least snowy places in Rhode Island.

January is the snowiest month in Dover with 16.5 inches of snow, and 6 months of the year have significant snowfall.

February is the snowiest month in Charlestown with 7.9 inches of snow, and 6 months of the year have significant snowfall.