2025 Compare Climate & Weather:
Rock Springs, WY vs Lander, WY

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Highlights

On average, there are 239 sunny days per year in Lander. Rock Springs averages 238 sunny days per year. The US average is 205 sunny days.

Lander, Wyoming gets 11.3 inches of rain, on average, per year. Rock Springs, Wyoming gets 8.9 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Lander averages 58.4 inches of snow per year. Rock Springs averages 40.6 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Lander, Wyoming
Summer High: the July high is around 86.7 degrees
Winter Low: the January low is 6.8
Rain: averages 11.3 inches of rain a year
Snow: averages 58.4 inches of snow a year

Rock Springs, Wyoming
Summer High: the July high is around 85.8 degrees
Winter Low: the January low is 10.1
Rain: averages 8.9 inches of rain a year
Snow: averages 40.6 inches of snow a year

BestPlaces Comfort Index

Lander

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

6.8 / 10

June, August and July are the most pleasant months in Lander, while December and January are the least comfortable months.

Rock Springs

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

6.8 / 10

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

Average Monthly High / Low (°F)

Month	Rock Springs, WY	Lander, WY
January	33° / 10°	34° / 7°
February	37° / 13°	38° / 10°
March	47° / 23°	49° / 20°
April	58° / 30°	58° / 29°
May	67° / 38°	68° / 38°
June	77° / 46°	78° / 46°
July	86° / 53°	87° / 53°
August	84° / 51°	85° / 52°
September	74° / 42°	73° / 41°
October	61° / 32°	59° / 30°
November	44° / 21°	44° / 17°
December	33° / 11°	33° / 7°

Hot, Freezing, Rainy, Snowy Days: Rock Springs / Lander

Month	Hot Days	Freezing Days	Rainy Days	Snowy Days
January	0 / 0	31 / 31	5 / 3	5 / 3
February	0 / 0	28 / 28	5 / 3	5 / 4
March	0 / 0	27 / 28	7 / 5	4 / 4
April	0 / 0	19 / 20	7 / 6	3 / 3
May	0 / 0	5 / 6	8 / 7	1 / 1
June	1 / 2	0 / 1	6 / 6	0 / 0
July	8 / 11	0 / 0	6 / 5	0 / 0
August	5 / 8	0 / 0	6 / 5	0 / 0
September	0 / 1	2 / 4	6 / 5	0 / 1
October	0 / 0	16 / 19	6 / 4	1 / 2
November	0 / 0	27 / 28	5 / 4	4 / 4
December	0 / 0	31 / 31	6 / 3	5 / 4

July is the hottest month for Rock Springs with an average high temperature of 85.8°, which ranks it as about average compared to other places in Wyoming. In Rock Springs, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Rock Springs are June, September and August.

July is the hottest month for Lander with an average high temperature of 86.7°, which ranks it as warmer than most places in Wyoming. In Lander, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Lander are June, September and August.

January has the coldest nighttime temperatures for Rock Springs with an average of 10.1°. This is about average compared to other places in Wyoming.

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

In Rock Springs, there are 14.2 days annually when the high temperature is over 90°, which is about average compared to other places in Wyoming.

In Lander, there are 22.0 days annually when the high temperature is over 90°, which is about average compared to other places in Wyoming.

In Rock Springs, there are 186.1 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Wyoming.

In Lander, there are 195.3 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Wyoming.

In Rock Springs, there are 15.3 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Wyoming.

In Lander, there are 25.5 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Wyoming.

May is the wettest month in Rock Springs 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 16% occurs in Spring, which is the driest season. The annual rainfall of 8.9 inches in Rock Springs means that it is drier than most places in Wyoming.

May is the wettest month in Lander with 2.0 inches of rain, and the driest month is January with 0.4 inches. The wettest season is Summer with 39% of yearly precipitation and 12% occurs in Spring, which is the driest season. The annual rainfall of 11.3 inches in Lander means that it is drier than most places in Wyoming.

May is the rainiest month in Rock Springs with 7.9 days of rain, and February is the driest month with only 5.1 rainy days. There are 72.1 rainy days annually in Rock Springs, which is about average compared to other places in Wyoming. The rainiest season is Summer when it rains 30% of the time and the driest is Spring with only a 22% chance of a rainy day.

May is the rainiest month in Lander with 6.9 days of rain, and January is the driest month with only 2.7 rainy days. There are 53.2 rainy days annually in Lander, which is less rainy than most places in Wyoming. The rainiest season is Summer when it rains 33% of the time and the driest is Spring with only a 17% chance of a rainy day.

An annual snowfall of 40.6 inches in Rock Springs means that it is less snowy than most places in Wyoming.

An annual snowfall of 58.4 inches in Lander means that it is snowier than most places in Wyoming.

February is the snowiest month in Rock Springs with 7.1 inches of snow, and 8 months of the year have significant snowfall.

April is the snowiest month in Lander with 10.3 inches of snow, and 9 months of the year have significant snowfall.

DID YOU KNOW?

Many people confuse Weather and Climate, but they are different. Weather refers to the conditions of the atmosphere over a short period of time, while Climate refers to the conditions of the atmosphere over a long period of time.

Weather, more specifically, refers to how the atmosphere behaves and its effects on life and human activities. Most people think of Weather in terms of what can be observed: temperature, humidity, precipitation, and cloudy/sunny conditions. Weather conditions constantly change on a minute-to-minute basis.

Climate is a record of the average weather conditions for a given place over a long period of time, often referred to as Climate Normals. A 30-year period of record is a common requirement to be considered a Climate Normal.

Reviews for Rock Springs 2 Reviews

Jill · Sherman Oaks, CA

re:

Over 16 years ago

Hi. I'd like to know if you still feel the same way about living in Broomfield. I went there this past July to check it out (along with Lafayette, Boulder (can't More

| Reply

NC For Me · Apex, NC

re:

Over 16 years ago

Apex is perfect for what you are looking for. It's close enough to Raleigh, Durham, Chapel Hill to find a job and Cary the next town over, is a little more expensive but More

| Reply

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Reviews for Lander 2 Reviews

Jill · Sherman Oaks, CA

re:

Over 16 years ago

Hi. I'd like to know if you still feel the same way about living in Broomfield. I went there this past July to check it out (along with Lafayette, Boulder (can't More

| Reply

NC For Me · Apex, NC

re:

Over 16 years ago

Apex is perfect for what you are looking for. It's close enough to Raleigh, Durham, Chapel Hill to find a job and Cary the next town over, is a little more expensive but More

| Reply

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2025 Compare Climate & Weather:
Rock Springs, WY vs Lander, WY

Highlights

Weather Highlights

BestPlaces Comfort Index

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Rock Springs / Lander

January has the coldest nighttime temperatures for Rock Springs with an average of 10.1°. This is about average compared to other places in Wyoming.

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

In Rock Springs, there are 14.2 days annually when the high temperature is over 90°, which is about average compared to other places in Wyoming.

In Lander, there are 22.0 days annually when the high temperature is over 90°, which is about average compared to other places in Wyoming.

In Rock Springs, there are 15.3 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Wyoming.

In Lander, there are 25.5 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Wyoming.

An annual snowfall of 40.6 inches in Rock Springs means that it is less snowy than most places in Wyoming.

An annual snowfall of 58.4 inches in Lander means that it is snowier than most places in Wyoming.

February is the snowiest month in Rock Springs with 7.1 inches of snow, and 8 months of the year have significant snowfall.

April is the snowiest month in Lander with 10.3 inches of snow, and 9 months of the year have significant snowfall.

DID YOU KNOW?

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Reviews for Lander 2 Reviews

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2025 Compare Climate & Weather:Rock Springs, WY vs Lander, WY

Highlights

Weather Highlights

BestPlaces Comfort Index

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Rock Springs / Lander

January has the coldest nighttime temperatures for Rock Springs with an average of 10.1°. This is about average compared to other places in Wyoming.January has the coldest nighttime temperatures for Lander with an average of 6.8°. This is colder than most places in Wyoming.

In Rock Springs, there are 14.2 days annually when the high temperature is over 90°, which is about average compared to other places in Wyoming.In Lander, there are 22.0 days annually when the high temperature is over 90°, which is about average compared to other places in Wyoming.

In Rock Springs, there are 15.3 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Wyoming.In Lander, there are 25.5 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Wyoming.

An annual snowfall of 40.6 inches in Rock Springs means that it is less snowy than most places in Wyoming.An annual snowfall of 58.4 inches in Lander means that it is snowier than most places in Wyoming.

February is the snowiest month in Rock Springs with 7.1 inches of snow, and 8 months of the year have significant snowfall.April is the snowiest month in Lander with 10.3 inches of snow, and 9 months of the year have significant snowfall.

DID YOU KNOW?

Reviews for Rock Springs 2 Reviews

Reviews for Lander 2 Reviews

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Zips In Rock Springs, Wyoming

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2025 Compare Climate & Weather:
Rock Springs, WY vs Lander, WY

January has the coldest nighttime temperatures for Rock Springs with an average of 10.1°. This is about average compared to other places in Wyoming.

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

In Rock Springs, there are 14.2 days annually when the high temperature is over 90°, which is about average compared to other places in Wyoming.

In Lander, there are 22.0 days annually when the high temperature is over 90°, which is about average compared to other places in Wyoming.

In Rock Springs, there are 15.3 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Wyoming.

In Lander, there are 25.5 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Wyoming.

An annual snowfall of 40.6 inches in Rock Springs means that it is less snowy than most places in Wyoming.

An annual snowfall of 58.4 inches in Lander means that it is snowier than most places in Wyoming.

February is the snowiest month in Rock Springs with 7.1 inches of snow, and 8 months of the year have significant snowfall.

April is the snowiest month in Lander with 10.3 inches of snow, and 9 months of the year have significant snowfall.