2025 Compare Climate & Weather:
South Bend, IN vs Groton, CT

Highlights

On average, there are 204 sunny days per year in Groton. South Bend averages 172 sunny days per year. The US average is 205 sunny days.

Groton, Connecticut gets 47.9 inches of rain, on average, per year. South Bend, Indiana gets 39.8 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Groton averages 26.6 inches of snow per year. South Bend averages 63.3 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Groton, Connecticut
Summer High: the July high is around 79.6 degrees
Winter Low: the January low is 21.7
Rain: averages 47.9 inches of rain a year
Snow: averages 26.6 inches of snow a year

South Bend, Indiana
Summer High: the July high is around 82.6 degrees
Winter Low: the January low is 15.8
Rain: averages 39.8 inches of rain a year
Snow: averages 63.3 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Groton is 7.1 (10=best), which means it is more comfortable than most places in Connecticut.

The annual BestPlaces Comfort Index for South Bend is 6.6 (10=best), which means it is one of the least comfortable places in Indiana.

Today's Weather - South Bend, IN

65°F

Today's Weather - Groton, CT

67°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: South Bend / Groton

July is the hottest month for South Bend with an average high temperature of 82.6°, which ranks it as one of the coolest places in Indiana. In South Bend, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for South Bend are June, August and September.

July is the hottest month for Groton with an average high temperature of 79.6°, which ranks it as one of the coolest places in Connecticut. In Groton, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Groton are August, July and June.

January has the coldest nighttime temperatures for South Bend with an average of 15.8°. This is one of the coldest places in Indiana.

January has the coldest nighttime temperatures for Groton with an average of 21.7°. This is one of the warmest places in Connecticut.

In South Bend, there are 8.7 days annually when the high temperature is over 90°, which is cooler than most places in Indiana.

In Groton, there are 1.7 days annually when the high temperature is over 90°, which is one of the coolest places in Connecticut.

In South Bend, there are 135.3 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Indiana.

In Groton, there are 106.2 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Connecticut.

In South Bend, there are 7.1 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Indiana.

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

July is the wettest month in South Bend with 4.2 inches of rain, and the driest month is February with 2.1 inches. The wettest season is Autumn with 30% of yearly precipitation and 18% occurs in Spring, which is the driest season. The annual rainfall of 39.8 inches in South Bend means that it is drier than most places in Indiana.


March is the wettest month in Groton with 4.7 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 47.9 inches in Groton means that it is drier than most places in Connecticut.

December is the rainiest month in South Bend with 15.1 days of rain, and September is the driest month with only 9.8 rainy days. There are 142.7 rainy days annually in South Bend, which is one of the rainiest places in Indiana. The rainiest season is Spring when it rains 29% of the time and the driest is Autumn with only a 22% chance of a rainy day.

May is the rainiest month in Groton with 11.4 days of rain, and August is the driest month with only 8.8 rainy days. There are 118.6 rainy days annually in Groton, which is about average compared to other places in Connecticut. The rainiest season is Summer when it rains 28% of the time and the driest is Autumn with only a 23% chance of a rainy day.

An annual snowfall of 63.3 inches in South Bend means that it is one of the snowiest places in Indiana.

An annual snowfall of 26.6 inches in Groton means that it is less snowy than most places in Connecticut.

January is the snowiest month in South Bend with 20.0 inches of snow, and 6 months of the year have significant snowfall.

February is the snowiest month in Groton with 7.8 inches of snow, and 6 months of the year have significant snowfall.