Rock Springs Metro Area, WY Climate

The Rock Springs, WY Metro Area has a semi-arid climate, characterized by hot summers and cold winters. In the summer, temperatures can reach up to 90°F during the day and can drop down to 40°F at night. During the winter, temperatures typically stay around 30°F during the day and often dip into the low teens at night. Precipitation is low throughout the year with only 8 inches of rainfall annually. The area is known for its sunny weather and very little humidity.

Rock Springs Metro Area, Wyoming gets 9 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Rock Springs Metro Area averages 37 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 234 sunny days per year in Rock Springs Metro Area. The US average is 205 sunny days.

Rock Springs Metro Area gets some kind of precipitation, on average, 64 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.

Weather Highlights

Summer High: the July high is around 84 degrees
Winter Low: the January low is 9
Rain: averages 9 inches of rain a year
Snow: averages 37 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the Rock Springs metro area is 6.8 (10=best), which means it is more comfortable than most places in Wyoming.

9 Summer - 4.7 Winter

August, July and June are the most pleasant months in the Rock Springs metro area, while December and January are the least comfortable months.

Climate	Rock Springs, Wyoming	United States
	Unlock	38.1 in.
	36.8 in.	Unlock
	Unlock	106.2 days
	234 days	Unlock
	84.3°	85.8°
	Unlock	21.7°
	6.8	Unlock
	Unlock	4.3
	6868 ft.	Unlock

Climate

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

July is the hottest month for the Rock Springs metro area with an average high temperature of 84.3°, which ranks it as about average compared to other places in Wyoming. In the Rock Springs metro area, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the Rock Springs metro area are June, August and September.

In the Rock Springs metro area, there are 9.6 days annually when the high temperature is over 90°, which is cooler than most places in Wyoming.

January has the coldest nighttime temperatures for the Rock Springs metro area with an average of 9.3°. This is about average compared to other places in Wyoming.

In the Rock Springs metro area, there are 195.5 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Wyoming.

In the Rock Springs metro area, there are 18.7 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Wyoming.

Humidity is very low in the Rock Springs metro area, so low that the dry air may be uncomfortable for some people. There are few days during the year when the humidity is even noticable. A very dry climate can lead to cracked, itchy skin and dry eyes.

May is the wettest month in the Rock Springs metro area with 1.3 inches of rain, and the driest month is January with 0.4 inches. The wettest season is Summer with 32% of yearly precipitation and 14% occurs in Spring, which is the driest season. The annual rainfall of 8.9 inches in the Rock Springs metro area means that it is drier than most places in Wyoming.

May is the rainiest month in the Rock Springs metro area with 7.3 days of rain, and February is the driest month with only 4.2 rainy days. There are 63.7 rainy days annually in the Rock Springs metro area, which is less rainy than most places in Wyoming. The rainiest season is Summer when it rains 30% of the time and the driest is Spring with only a 20% chance of a rainy day.

An annual snowfall of 36.8 inches in the Rock Springs metro area means that it is less snowy than most places in Wyoming. February is the snowiest month in the Rock Springs metro area with 6.2 inches of snow, and 9 months of the year have significant snowfall.

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