What is the hottest month in Stevensville?

July is the warmest month in Stevensville, with an average high of 85.3°F.

What is the coldest month in Stevensville?

January is the coldest month in Stevensville, with an average low of 18.9°F.

What month does Stevensville get the most rain?

June is typically the wettest month in Stevensville, with about 1.59 inches of precipitation.

What plant hardiness zone is Stevensville in?

Stevensville is approximately in USDA plant hardiness Zone 7a, based on the average annual extreme minimum temperature.

Has the climate in Stevensville changed recently?

11.7% of Stevensville'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.

Stevensville, MT

Climate overview — based on NOAA 1991-2020 normals from STEVENSVILLE, MT US.

BSk Semi-arid (cold) climate 7a USDA hardiness Zone 7a

Year-round temperatures (°F)

Avg high Avg low

Climate summary

Stevensville has an annual average temperature of 45.6°F with about 12.5 inches of precipitation per year and 17.1 inches of snow. The warmest month is July (average high 85.3°F), and the coldest is January (average low 18.9°F). June is typically the wettest month (1.59 in) and March the driest (0.77 in). Snow typically falls from November through March.

Annual swing

41.1°F

warmest to coldest month

Heating need

7,068

HDD/yr

Cooling need

CDD/yr

Best time to visit Stevensville

Full guide →

Climate change signal

All-time records →

43 of 366 (11.7%) of Stevensville'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.

1910s		25
1920s		29
1930s		53
1940s		19
1950s		11
1960s		25
1970s		17
1980s		32
1990s		28
2000s		73
2010s		24
2020s		30

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	34.6°F	18.9°F	26.8°F	1.00 in	4.0 in	9
February	38.3°F	21.2°F	29.8°F	0.92 in	3.0 in	8
March	49.6°F	26.3°F	38.0°F	0.77 in	1.5 in	10
April	58.0°F	32.0°F	45.0°F	0.93 in	0.1 in	9
May	67.5°F	38.9°F	53.2°F	1.45 in	—	10
June	74.8°F	45.4°F	60.1°F	1.59 in	—	10
July	85.3°F	49.0°F	67.1°F	0.83 in	—	6
August	83.9°F	47.2°F	65.6°F	0.81 in	—	6
September	73.6°F	40.4°F	57.0°F	0.84 in	—	7
October	58.0°F	32.1°F	45.0°F	1.04 in	0.1 in	9
November	42.5°F	24.5°F	33.5°F	1.15 in	1.6 in	9
December	33.1°F	18.9°F	26.0°F	1.12 in	6.8 in	9