What is the hottest month in Wamsutter?

July is the warmest month in Wamsutter, with an average high of 85.1°F.

What is the coldest month in Wamsutter?

January is the coldest month in Wamsutter, with an average low of 8.5°F.

What month does Wamsutter get the most rain?

May is typically the wettest month in Wamsutter, with about 1.35 inches of precipitation.

What plant hardiness zone is Wamsutter in?

Wamsutter is approximately in USDA plant hardiness Zone 6a, based on the average annual extreme minimum temperature.

Has the climate in Wamsutter changed recently?

15.8% of Wamsutter's all-time daily heat records were set in the last decade (since 2015), compared to roughly 5% if records were evenly distributed over time.

Wamsutter, WY

Climate overview — based on NOAA 1991-2020 normals from WAMSUTTER, WY US.

BSk Semi-arid (cold) climate 6a USDA hardiness Zone 6a

Year-round temperatures (°F)

Avg high Avg low

Climate summary

Wamsutter has an annual average temperature of 42.3°F with about 8.5 inches of precipitation per year and 50.8 inches of snow. The warmest month is July (average high 85.1°F), and the coldest is January (average low 8.5°F). May is typically the wettest month (1.35 in) and February the driest (0.40 in). Snow typically falls from September through May.

Annual swing

48.6°F

warmest to coldest month

Heating need

8,274

HDD/yr

Cooling need

CDD/yr

Best time to visit Wamsutter

Full guide →

Climate change signal

All-time records →

58 of 366 (15.8%) of Wamsutter's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.

1890s		72
1900s		9
1910s		7
1920s		2
1930s		69
1940s		3
1950s		12
1960s		19
1970s		18
1980s		19
1990s		41
2000s		27
2010s		19
2020s		49

Bars: number of all-time daily heat records still standing that were set in each decade.

Monthly averages

Month	Avg High	Avg Low	Avg Temp	Precipitation	Snow	Rainy days
January	29.6°F	8.5°F	19.0°F	0.43 in	7.8 in	5
February	33.4°F	11.3°F	22.3°F	0.40 in	7.6 in	5
March	45.3°F	20.8°F	33.1°F	0.48 in	7.2 in	5
April	54.6°F	26.6°F	40.6°F	0.76 in	6.1 in	7
May	65.1°F	34.8°F	49.9°F	1.35 in	2.5 in	7
June	76.9°F	42.9°F	59.9°F	0.81 in	0.1 in	5
July	85.1°F	50.1°F	67.6°F	0.67 in	—	4
August	82.7°F	48.0°F	65.3°F	0.72 in	—	5
September	72.6°F	39.3°F	56.0°F	0.90 in	0.7 in	5
October	58.1°F	29.2°F	43.6°F	0.76 in	3.0 in	4
November	42.2°F	18.4°F	30.3°F	0.64 in	7.0 in	5
December	29.9°F	9.1°F	19.5°F	0.53 in	8.8 in	5