2025 Compare Climate & Weather:
Longmont, CO vs Star Valley Ranch, WY

Highlights

On average, there are 212 sunny days per year in Star Valley Ranch. Longmont averages 247 sunny days per year. The US average is 205 sunny days.

Star Valley Ranch, Wyoming gets 19 inches of rain, on average, per year. Longmont, Colorado gets 14.8 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Star Valley Ranch averages 91.6 inches of snow per year. Longmont averages 36.4 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Star Valley Ranch, Wyoming
Summer High: the July high is around 81.1 degrees
Winter Low: the January low is 6.8
Rain: averages 19 inches of rain a year
Snow: averages 91.6 inches of snow a year

Longmont, Colorado
Summer High: the July high is around 89.1 degrees
Winter Low: the January low is 12.5
Rain: averages 14.8 inches of rain a year
Snow: averages 36.4 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Star Valley Ranch is 5.9 (10=best), which means it is less comfortable than most places in Wyoming.

The annual BestPlaces Comfort Index for Longmont is 7.2 (10=best), which means it is more comfortable than most places in Colorado.

Today's Weather - Longmont, CO

68°F

Today's Weather - Star Valley Ranch, WY

64°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Longmont / Star Valley Ranch

July is the hottest month for Longmont with an average high temperature of 89.1°, which ranks it as warmer than most places in Colorado. In Longmont, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Longmont are September, June and May.

July is the hottest month for Star Valley Ranch with an average high temperature of 81.1°, which ranks it as cooler than most places in Wyoming. In Star Valley Ranch, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Star Valley Ranch are August, July and June.

December has the coldest nighttime temperatures for Longmont with an average of 12.2°. This is colder than most places in Colorado.

January has the coldest nighttime temperatures for Star Valley Ranch with an average of 6.8°. This is colder than most places in Wyoming.

In Longmont, there are 37.5 days annually when the high temperature is over 90°, which is hotter than most places in Colorado.

In Star Valley Ranch, there are 3.9 days annually when the high temperature is over 90°, which is cooler than most places in Wyoming.

In Longmont, there are 178.8 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Colorado.

In Star Valley Ranch, there are 220.6 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Wyoming.

In Longmont, there are 11.2 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Colorado.

In Star Valley Ranch, there are 30.7 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Wyoming.

May is the wettest month in Longmont with 2.3 inches of rain, and the driest month is February with 0.4 inches. The wettest season is Summer with 38% of yearly precipitation and 10% occurs in Spring, which is the driest season. The annual rainfall of 14.8 inches in Longmont means that it is drier than most places in Colorado.


May is the wettest month in Star Valley Ranch with 2.4 inches of rain, and the driest month is August with 1.2 inches. The wettest season is Summer with 29% of yearly precipitation and 23% occurs in Autumn, which is the driest season. The annual rainfall of 19.0 inches in Star Valley Ranch means that it is one of the wettest places in Wyoming.

May is the rainiest month in Longmont with 9.8 days of rain, and January is the driest month with only 4.2 rainy days. There are 79.2 rainy days annually in Longmont, which is about average compared to other places in Colorado. The rainiest season is Summer when it rains 31% of the time and the driest is Spring with only a 17% chance of a rainy day.

December is the rainiest month in Star Valley Ranch with 11.6 days of rain, and July is the driest month with only 6.6 rainy days. There are 106.6 rainy days annually in Star Valley Ranch, which is rainier than most places in Wyoming. The rainiest season is Spring when it rains 29% of the time and the driest is Autumn with only a 20% chance of a rainy day.

An annual snowfall of 36.4 inches in Longmont means that it is less snowy than most places in Colorado.

An annual snowfall of 91.6 inches in Star Valley Ranch means that it is one of the snowiest places in Wyoming.

March is the snowiest month in Longmont with 7.3 inches of snow, and 7 months of the year have significant snowfall.

December is the snowiest month in Star Valley Ranch with 22.5 inches of snow, and 8 months of the year have significant snowfall.