2025 Compare Climate & Weather:
Erie, CO vs Shell, WY

Highlights

On average, there are 206 sunny days per year in Shell. Erie averages 246 sunny days per year. The US average is 205 sunny days.

Shell, Wyoming gets 8.6 inches of rain, on average, per year. Erie, Colorado gets 14.4 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Shell averages 20.9 inches of snow per year. Erie averages 37.1 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

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

Erie, Colorado
Summer High: the July high is around 90.4 degrees
Winter Low: the January low is 14.5
Rain: averages 14.4 inches of rain a year
Snow: averages 37.1 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Erie is 7.3 (10=best), which means it is more comfortable than most places in Colorado.

Today's Weather - Erie, CO

44°F

Today's Weather - Shell, WY

51°F

Average Monthly High / Low (°F)

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

July is the hottest month for Erie with an average high temperature of 90.4°, which ranks it as warmer than most places in Colorado. In Erie, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Erie are September, May and June.

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.

December has the coldest nighttime temperatures for Erie with an average of 14.3°. This is about average compared to other places in Colorado.

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

In Erie, there are 45.3 days annually when the high temperature is over 90°, which is hotter than most places in Colorado.

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 Erie, there are 167.7 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Colorado.

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 Erie, there are 9.3 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Colorado.

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

May is the wettest month in Erie with 2.2 inches of rain, and the driest month is January with 0.4 inches. The wettest season is Summer with 37% of yearly precipitation and 10% occurs in Spring, which is the driest season. The annual rainfall of 14.4 inches in Erie means that it is drier than most places in Colorado.


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.

May is the rainiest month in Erie with 8.8 days of rain, and January is the driest month with only 3.7 rainy days. There are 70.4 rainy days annually in Erie, which is less rainy than most places in Colorado. The rainiest season is Summer when it rains 31% of the time and the driest is Spring with only a 16% chance of a rainy day.

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.

An annual snowfall of 37.1 inches in Erie means that it is less snowy than most places in Colorado.

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

March is the snowiest month in Erie with 6.9 inches of snow, and 7 months of the year have significant snowfall.

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