The 10 Cities In Wyoming With The Best Weather

The cities with the best weather in Wyoming for 2026 are Riverton, Green River, and Rock Springs. Find out where your city or town ranks.

Everyone wants a bit of a blissful breeze or a scoop of sunny sanctuary when looking for a place to live in Wyoming.

The more sun, the more you can go outside. The more you go outside, the more you’ll feel at peace. The more you’ll feel at peace, the more you’ll enjoy where you live.

So it makes sense to try and find the places with the best weather in Wyoming. We used Saturday Night Science to compare the number of sunny days, total precipitation, and the deviation from the ideal 70-degree weather for 10 places in Wyoming over 10,000 people.

Grab your shades and put away your raincoat as we look at the cities with the best weather in Wyoming.

1

No. 1 best weather city in Wyoming

Riverton, WY

10,915 peopleSnackAbility 6/10
6/10
Riverton, WY
Source: Public domain
342.0 sunny days · 59.4 degree average high
Map of Riverton within Wyoming Located in Fremont County, Wyoming

Riverton is a city in Fremont County, Wyoming, United States. The city’s population was 10,615 at the 2010 census, making it the largest city in the county overall.

2

No. 2 best weather city in Wyoming

Green River, WY

12,604 peopleSnackAbility 8/10
8/10
Green River, WY
Source: Wikipedia User Milonica at English Wikipedia | GFDL
337.0 sunny days · 58.2 degree average high
Map of Green River within Wyoming Located in Sweetwater County, Wyoming

Green River is a city in and the county seat of Sweetwater County, Wyoming, United States, in the southwestern part of the state. The population was 12,515 at the 2010 census.

3

No. 3 best weather city in Wyoming

Rock Springs, WY

23,869 peopleSnackAbility 8/10
8/10
Rock Springs, WY
Source: Wikipedia User Milonica at en.wikipedia | GFDL
337.6 sunny days · 57.7 degree average high
Map of Rock Springs within Wyoming Located in Sweetwater County, Wyoming

Rock Springs is a city in Sweetwater County, Wyoming, United States. The population was 23,036 at the 2010 census, making it the 5th most populated city in the state of Wyoming. Rock Springs is the principal city of the Rock Springs micropolitan statistical area, which has a population of 37,975. Rock Springs is known as the Home of 56 Nationalities because of the influx of immigrants from all over the world who came to work in the coal mines that supplied the fuel to power the steam engines of the Union Pacific Railroad. The city’s rich cultural heritage is celebrated each summer on International Day, a festival where the foods, costumes, and traditions of residents’ ancestors are recreated and enjoyed at Bunning Park in downtown Rock Springs.

4

No. 4 best weather city in Wyoming

Casper, WY

58,817 peopleSnackAbility 8/10
8/10
Casper, WY
Source: Public domain
329.7 sunny days · 60.1 degree average high
Map of Casper within Wyoming Located in Natrona County, Wyoming

Casper is a city in and the county seat of Natrona County, Wyoming, United States. Casper is the second largest city in the state, according to the 2010 census, with a population of 55,316. Only Cheyenne, the state capital, is larger. Casper is nicknamed “The Oil City” and has a long history of oil boomtown and cowboy culture, dating back to the development of the nearby Salt Creek Oil Field. In 2010, Casper was named the highest-ranked family-friendly small city in the West, and ranked eighth overall in the nation in Forbes magazine’s list of “the best small cities to raise a family”.

5

No. 5 best weather city in Wyoming

Sheridan, WY

17,775 peopleSnackAbility 8/10
8/10
Sheridan, WY
Source: Wikipedia User Vasiliymeshko | CC BY-SA 3.0
325.5 sunny days · 59.4 degree average high
Map of Sheridan within Wyoming Located in Sheridan County, Wyoming

Sheridan is a city in Sheridan County, Wyoming, United States. The 2010 census put the population at 17,444 and a Micropolitan Statistical Area of 29,116. It is the county seat of Sheridan County.

6

No. 6 best weather city in Wyoming

Cheyenne, WY

62,195 peopleSnackAbility 8/10
8/10
Cheyenne, WY
Source: Wikipedia User Cliff from Arlington, VA (Outside Washington DC), USA | CC BY 2.0
324.0 sunny days · 58.8 degree average high
Map of Cheyenne within Wyoming Located in Laramie County, Wyoming

Cheyenne is the capital and most populous city of the U.S. state of Wyoming and the county seat of Laramie County. It is the principal city of the Cheyenne, Wyoming, Metropolitan Statistical Area which encompasses all of Laramie County. The population was 59,466 at the 2010 census. Cheyenne is the northern terminus of the extensive and fast-growing Front Range Urban Corridor that stretches from Cheyenne to Pueblo, Colorado, and has a population of 4,333,742 according to the 2010 United States Census. Cheyenne is situated on Crow Creek and Dry Creek. The Cheyenne, Wyoming Metropolitan Area had a 2010 population of 91,738, making it the 354th-most populous metropolitan area in the United States.

7

No. 7 best weather city in Wyoming

Laramie, WY

31,879 peopleSnackAbility 7.5/10
7.5/10
Laramie, WY
Source: Public domain
332.0 sunny days · 55.0 degree average high
Map of Laramie within Wyoming Located in Albany County, Wyoming

Laramie is a city and the county seat of Albany County, Wyoming, United States. The population was 30,816 at the 2010 census. Located on the Laramie River in southeastern Wyoming, the city is west of Cheyenne, at the junction of Interstate 80 and U.S. Route 287.

8

No. 8 best weather city in Wyoming

Evanston, WY

12,213 peopleSnackAbility 6/10
6/10
Evanston, WY
Source: Wikipedia User Tricia Simpson | CC BY-SA 3.0
329.9 sunny days · 55.1 degree average high
Map of Evanston within Wyoming Located in Uinta County, Wyoming

Evanston is a city in and the county seat of Uinta County, Wyoming, United States. The population was 12,359 at the 2010 census. It is located on the border with Utah.

9

No. 9 best weather city in Wyoming

Gillette, WY

31,634 peopleSnackAbility 8/10
8/10
Gillette, WY
Source: Wikipedia User MyName (Vasiliymeshko (talk)) | CC BY-SA 3.0
321.8 sunny days · 57.9 degree average high
Map of Gillette within Wyoming Located in Campbell County, Wyoming

Gillette is a city in and the county seat of Campbell County, Wyoming, United States. The population was estimated at 31,797 as of 1 July 2013. Gillette is centrally located in an area involved with the development of vast quantities of American coal, oil, and coalbed methane gas. The city calls itself the “Energy Capital of the Nation,” noting that the state of Wyoming provides nearly 35% of the nation’s coal. Over the last decade Gillette saw a population increase of 48% from the 2000 census of 19,646 residents.

10

No. 10 best weather city in Wyoming

Jackson, WY

10,152 peopleSnackAbility 8/10
8/10
Jackson, WY
Source: Public domain
311.3 sunny days · 51.8 degree average high
Map of Jackson within Wyoming Located in Teton County, Wyoming

Jackson is a town in the Jackson Hole valley of Teton County, Wyoming, United States. The population was 9,577 at the 2010 census, up from 8,647 in 2000. It is the county seat of Teton County and is its largest town.

The receipts

Compare the top ten

Pick a metric. The bars rescale. The red line is Wyoming’s statewide median.

City Sunny days vs WY
1 Riverton 342.0
2 Green River 337.0
3 Rock Springs 337.6
4 Casper 329.7
5 Sheridan 325.5
6 Cheyenne 324.0
7 Laramie 332.0
8 Evanston 329.9
9 Gillette 321.8
10 Jackson 311.3
City Avg. annual high vs WY
1 Riverton 59.4
2 Green River 58.2
3 Rock Springs 57.7
4 Casper 60.1
5 Sheridan 59.4
6 Cheyenne 58.8
7 Laramie 55.0
8 Evanston 55.1
9 Gillette 57.9
10 Jackson 51.8
City Avg. annual low vs WY
1 Riverton 30.4
2 Green River 28.4
3 Rock Springs 30.2
4 Casper 33.1
5 Sheridan 31.1
6 Cheyenne 33.0
7 Laramie 28.7
8 Evanston 27.2
9 Gillette 32.7
10 Jackson 26.3
City Avg. annual snowfall vs WY
1 Riverton 39.9
2 Green River 32.5
3 Rock Springs 41.6
4 Casper 73.3
5 Sheridan 71.3
6 Cheyenne 59.3
7 Laramie 55.9
8 Evanston 48.0
9 Gillette 56.6
10 Jackson 79.7
City Avg. annual precipitation vs WY
1 Riverton 7.9
2 Green River 8.0
3 Rock Springs 9.7
4 Casper 14.2
5 Sheridan 15.2
6 Cheyenne 15.9
7 Laramie 13.2
8 Evanston 11.1
9 Gillette 15.0
10 Jackson 22.9
City Population vs WY
1 Riverton 10,915
2 Green River 12,604
3 Rock Springs 23,869
4 Casper 58,817
5 Sheridan 17,775
6 Cheyenne 62,195
7 Laramie 31,879
8 Evanston 12,213
9 Gillette 31,634
10 Jackson 10,152

On the map

Where Wyoming’s best weather is

Saturday Night Science

How We Determined The Cities In Wyoming With The Best Weather

To rank the most fair weather cities in Wyoming, we used Saturday Night Science and the National Oceanic and Atmospheric Administration (NOAA) database, to see which cities in the Equality State get the best weather.

We used the following criteria to find the best weather:

  • Number of sunny days
  • Highest average low
  • Average high deviation from 70 degrees
  • Least amount of rain
  • Least amount of snow

We ranked each city of over 10,000 people in Wyoming from best to worst on each criterion. We then averaged each ranking into a weather quality index. The city with the best index, Riverton, was anointed the city with the best weather in Wyoming.

Before we get too far, here are the annual precipitation rates for major cities: Cheyenne (15.9 inches), Casper (14.2 inches), and Laramie (13.2 inches).

The cities with the best weather in Wyoming are Riverton, Green River, Rock Springs, Casper, Sheridan, Cheyenne, Laramie, Evanston, Gillette, and Jackson.

There’s a complete chart at the bottom.

The full plate

Detailed List Of Places With The Best Weather In Wyoming

Click any column to sort. Search by city name.

RankCityPopulationSunny DaysAvg. HighPrecipitation (Inches)Snow (Inches)
1Riverton10,915342.059.47.939.9
2Green River12,604337.058.28.032.5
3Rock Springs23,869337.657.79.741.6
4Casper58,817329.760.114.273.3
5Sheridan17,775325.559.415.271.3
6Cheyenne62,195324.058.815.959.3
7Laramie31,879332.055.013.255.9
8Evanston12,213329.955.111.148.0
9Gillette31,634321.857.915.056.6
10Jackson10,152311.351.822.979.7

Source: NOAA climate data. 10 Wyoming cities with more than 10,000 residents.

Summary

Summary: The Cities With The Best Weather In Wyoming For 2026

If you’re looking for the Wyoming cities with the most sunny days, the least rain and snow, and highs closest to a perfect 70 degrees, this is an accurate list.

The cities with the best weather in Wyoming are Riverton, Green River, Rock Springs, Casper, Sheridan, Cheyenne, Laramie, Evanston, Gillette, and Jackson.

Keep reading

More rankings worth a look

Chris Kolmar
About the author

Chris Kolmar has been in the real estate business for almost ten years now. He originally worked for Movoto Real Estate as the director of marketing before founding HomeSnacks.

He believes the key to finding the right place to live comes down to looking at the data, reading about things to do, and, most importantly, checking it out yourself before you move.

If you've been looking for a place to live in the past several years, you've probably stumbled upon his writing already.

You can find out more about him on LinkedIn or his website.

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