2025 Compare Climate & Weather:
Hanover, MA vs Rochester, MA

Highlights

On average, there are 201 sunny days per year in Rochester. Hanover averages 201 sunny days per year. The US average is 205 sunny days.

Rochester, Massachusetts gets 50.5 inches of rain, on average, per year. Hanover, Massachusetts gets 52.2 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Rochester averages 35.3 inches of snow per year. Hanover averages 43.1 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Rochester, Massachusetts
Summer High: the July high is around 82.1 degrees
Winter Low: the January low is 19.3
Rain: averages 50.5 inches of rain a year
Snow: averages 35.3 inches of snow a year

Hanover, Massachusetts
Summer High: the July high is around 83.1 degrees
Winter Low: the January low is 20.3
Rain: averages 52.2 inches of rain a year
Snow: averages 43.1 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Rochester is 7.0 (10=best), which means it is more comfortable than most places in Massachusetts.

The annual BestPlaces Comfort Index for Hanover is 7.0 (10=best), which means it is more comfortable than most places in Massachusetts.

Today's Weather - Hanover, MA

59°F

Today's Weather - Rochester, MA

55°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Hanover / Rochester

July is the hottest month for Hanover with an average high temperature of 83.1°, which ranks it as warmer than most places in Massachusetts. In Hanover, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Hanover are June, August and September.

July is the hottest month for Rochester with an average high temperature of 82.1°, which ranks it as about average compared to other places in Massachusetts. In Rochester, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Rochester are June, August and July.

January has the coldest nighttime temperatures for Hanover with an average of 20.3°. This is warmer than most places in Massachusetts.

January has the coldest nighttime temperatures for Rochester with an average of 19.3°. This is about average compared to other places in Massachusetts.

In Hanover, there are 12.0 days annually when the high temperature is over 90°, which is one of the hottest places in Massachusetts.

In Rochester, there are 6.1 days annually when the high temperature is over 90°, which is about average compared to other places in Massachusetts.

In Hanover, there are 112.5 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Massachusetts.

In Rochester, there are 127.0 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Massachusetts.

In Hanover, there are 1.3 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Massachusetts.

In Rochester, there are 0.9 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Massachusetts.

March is the wettest month in Hanover with 5.5 inches of rain, and the driest month is September with 3.7 inches. The wettest season is Summer with 27% of yearly precipitation and 23% occurs in Autumn, which is the driest season. The annual rainfall of 52.2 inches in Hanover means that it is one of the wettest places in Massachusetts.


March is the wettest month in Rochester with 5.2 inches of rain, and the driest month is May with 3.6 inches. The wettest season is Summer with 27% of yearly precipitation and 23% occurs in Autumn, which is the driest season. The annual rainfall of 50.5 inches in Rochester means that it is wetter than most places in Massachusetts.

December is the rainiest month in Hanover with 12.0 days of rain, and August is the driest month with only 9.0 rainy days. There are 128.9 rainy days annually in Hanover, which is rainier than most places in Massachusetts. The rainiest season is Summer when it rains 27% of the time and the driest is Autumn with only a 23% chance of a rainy day.

December is the rainiest month in Rochester with 11.7 days of rain, and September is the driest month with only 8.9 rainy days. There are 124.3 rainy days annually in Rochester, which is about average compared to other places in Massachusetts. The rainiest season is Summer when it rains 27% of the time and the driest is Autumn with only a 23% chance of a rainy day.

An annual snowfall of 43.1 inches in Hanover means that it is about average compared to other places in Massachusetts.

An annual snowfall of 35.3 inches in Rochester means that it is less snowy than most places in Massachusetts.

January is the snowiest month in Hanover with 12.6 inches of snow, and 6 months of the year have significant snowfall.

January is the snowiest month in Rochester with 11.6 inches of snow, and 6 months of the year have significant snowfall.