What is the hottest month in Dubois?

July is the warmest month in Dubois, with an average high of 79.4°F.

What is the coldest month in Dubois?

February is the coldest month in Dubois, with an average low of 12.5°F.

What month does Dubois get the most rain?

May is typically the wettest month in Dubois, with about 1.97 inches of precipitation.

What plant hardiness zone is Dubois in?

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

Has the climate in Dubois changed recently?

16.4% of Dubois'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.

Dubois, WY

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

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

Year-round temperatures (°F)

Avg high Avg low

Climate summary

Dubois has an annual average temperature of 40.5°F with about 10.9 inches of precipitation per year and 55.3 inches of snow. The warmest month is July (average high 79.4°F), and the coldest is February (average low 12.5°F). May is typically the wettest month (1.97 in) and January the driest (0.25 in). Snow typically falls from January through December.

Annual swing

37.9°F

warmest to coldest month

Heating need

8,805

HDD/yr

Cooling need

CDD/yr

Best time to visit Dubois

Full guide →

Climate change signal

All-time records →

60 of 366 (16.4%) of Dubois'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.

1900s		4
1910s		24
1920s		18
1930s		123
1940s		15
1950s		25
1960s		14
1970s		16
1980s		18
1990s		12
2000s		29
2010s		27
2020s		41

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	35.9°F	12.6°F	24.3°F	0.25 in	4.8 in	5
February	36.9°F	12.5°F	24.7°F	0.47 in	8.1 in	7
March	44.5°F	18.5°F	31.5°F	0.54 in	8.2 in	7
April	50.5°F	24.0°F	37.3°F	1.28 in	9.9 in	9
May	60.0°F	32.0°F	46.0°F	1.97 in	4.0 in	11
June	70.2°F	38.8°F	54.5°F	1.39 in	0.6 in	9
July	79.4°F	43.5°F	61.4°F	0.97 in	—	7
August	78.1°F	41.9°F	60.0°F	0.89 in	—	8
September	68.8°F	34.8°F	51.8°F	1.30 in	0.8 in	7
October	55.7°F	26.2°F	41.0°F	0.88 in	4.8 in	7
November	42.3°F	18.6°F	30.5°F	0.58 in	7.6 in	7
December	34.2°F	12.7°F	23.5°F	0.34 in	6.5 in	6