2025 Compare Climate & Weather:
Shell, WY vs Southbury, CT

Highlights

On average, there are 206 sunny days per year in Southbury. Shell averages 206 sunny days per year. The US average is 205 sunny days.

Southbury, Connecticut gets 50.2 inches of rain, on average, per year. Shell, Wyoming gets 8.6 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Southbury averages 39.9 inches of snow per year. Shell averages 20.9 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Southbury, Connecticut
Summer High: the July high is around 84.5 degrees
Winter Low: the January low is 18.4
Rain: averages 50.2 inches of rain a year
Snow: averages 39.9 inches of snow a year

Shell, Wyoming
Summer High: the July high is around 89.7 degrees
Winter Low: the January low is 4.8
Rain: averages 8.6 inches of rain a year
Snow: averages 20.9 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Southbury is 7.0 (10=best), which means it is about average compared to other places in Connecticut.

The annual BestPlaces Comfort Index for Shell is 6.9 (10=best), which means it is more comfortable than most places in Wyoming.

Today's Weather - Shell, WY

79°F

Today's Weather - Southbury, CT

63°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Shell / Southbury

July is the hottest month for Shell with an average high temperature of 89.7°, which ranks it as one of the hottest places in Wyoming. In Shell, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Shell are June, September and May.

July is the hottest month for Southbury with an average high temperature of 84.5°, which ranks it as one of the hottest places in Connecticut. In Southbury, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Southbury are June, September and August.

January has the coldest nighttime temperatures for Shell with an average of 4.8°. This is colder than most places in Wyoming.

January has the coldest nighttime temperatures for Southbury with an average of 18.4°. This is about average compared to other places in Connecticut.

In Shell, there are 37.8 days annually when the high temperature is over 90°, which is one of the hottest places in Wyoming.

In Southbury, there are 12.4 days annually when the high temperature is over 90°, which is one of the hottest places in Connecticut.

In Shell, there are 183.1 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Wyoming.

In Southbury, there are 127.4 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Connecticut.

In Shell, there are 24.1 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Wyoming.

In Southbury, there are 3.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Connecticut.

May is the wettest month in Shell with 1.7 inches of rain, and the driest month is January with 0.4 inches. The wettest season is Summer with 33% of yearly precipitation and 14% occurs in Spring, which is the driest season. The annual rainfall of 8.6 inches in Shell means that it is drier than most places in Wyoming.


October is the wettest month in Southbury with 4.9 inches of rain, and the driest month is February with 3.2 inches. The wettest season is Winter with 27% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 50.2 inches in Southbury means that it is about average compared to other places in Connecticut.

May is the rainiest month in Shell with 7.1 days of rain, and February is the driest month with only 2.8 rainy days. There are 49.6 rainy days annually in Shell, which is one of the least rainy places in Wyoming. The rainiest season is Summer when it rains 31% of the time and the driest is Spring with only a 18% chance of a rainy day.

May is the rainiest month in Southbury with 11.6 days of rain, and February is the driest month with only 8.4 rainy days. There are 118.6 rainy days annually in Southbury, which is about average compared to other places in Connecticut. The rainiest season is Summer when it rains 27% of the time and the driest is Winter with only a 23% chance of a rainy day.

An annual snowfall of 20.9 inches in Shell means that it is one of the least snowy places in Wyoming.

An annual snowfall of 39.9 inches in Southbury means that it is snowier than most places in Connecticut.

December is the snowiest month in Shell with 5.3 inches of snow, and 8 months of the year have significant snowfall.

January is the snowiest month in Southbury with 11.7 inches of snow, and 6 months of the year have significant snowfall.