Photo: Benjamin Courteau · CC BY-SA 4.0Precipitation in Stevensville trails that of 95% of U.S. towns: 13 inches a year
The depth of winter brings overnight lows near 18°. Winter nights are cold: in January they are colder than in 68% of U.S. towns. Warming shows here too: 0.8° more than in 1901–2000, led by January. The outdoor season, with highs of 74–75°, runs through June and September.
A year in Stevensville at a glance
Each month’s typical high and low, and what it brings.
What stands out about Stevensville’s climate
Compared with towns across the U.S., with Stevensville’s place in Montana beside it.
What a year in Stevensville feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 115 frost-free days a year
In half of years the last 32° night comes by May 22 and the first by September 19. Frost and day counts come from NOAA’s station at Stevensville, MT, 0.4 miles from the town’s center, at about the same height.
The 2023 USDA map puts Stevensville’s center in zone 5b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −10°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
About 17 inches of snow a winter
Snow, measured at Stevensville, MT, falls mostly in December. Precipitation (rain plus melted snow) adds up to 13 inches a year; June is the wettest month and August the driest. Rain or snow falls on about 100 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Stevensville
97% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from October through May.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Stevensville, MT.
Living with Stevensville’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
115 frost-free days in zone 5b. The last frost comes by May 22 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Sep 19.
Months with highs of 62–84° and lows of 40° or more: June and September. 0.0 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Stevensville from natural hazards, wildfire is the largest share (41%); heat waves, cold waves, winter storms and ice storms together are 14%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Stevensville and similar climates
TownRatings has no climate map of the towns around Stevensville yet.
Climates most like Stevensville’s, farther away
TownRatings’ own comparison of NOAA 1991–2020 normals, not a NOAA product: places of 5,000+ at least 150 miles away, one per state, closest on January low, July high, precipitation and snow.
| Town | Jan. low | July high | Precip. | Snow |
|---|---|---|---|---|
| Stevensville, MT | 18° | 86° | 13" | 17" |
| Santa Fe, NM | 18° | 86° | 13" | 20" |
| Show Low, AZ | 19° | 86° | 15" | 19" |
| Blackfoot, ID | 16° | 88° | 11" | 15" |
| Cold Springs, NV | 23° | 88° | 13" | 17" |
Temperatures and precipitation come from NOAA’s 5 km grid; snow and day counts from the stations named on this page.
Warmer than it used to be
The last 30 years in Stevensville averaged 0.8° warmer than the 1900s. The biggest change is in January (+3.1°).
A smaller shift than in 90% of U.S. towns.
Change by month
The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.
How Stevensville compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Stevensville’s place among Montana’s.
Stevensville weather by month
Highs, lows and precipitation from NOAA’s grid at Stevensville’s center; snow, wet days and snow on the ground from Stevensville, MT. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 35° | 18° | 0.9" | 4.0" | 9 | 8 | 15° – 34° |
| February | 40° | 21° | 0.9" | 3.0" | 8 | 7 | 19° – 37° |
| March | 50° | 27° | 0.8" | 1.5" | 10 | 2 | 28° – 44° |
| April | 58° | 32° | 1.0" | 0.1" | 9 | 0 | 40° – 49° |
| May | 68° | 39° | 1.6" | 0.0" | 10 | 0 | 49° – 58° |
| June | 75° | 46° | 1.7" | 0.0" | 10 | 0 | 57° – 67° |
| July | 86° | 50° | 0.9" | 0.0" | 6 | 0 | 58° – 76° |
| August | 85° | 48° | 0.8" | 0.0" | 6 | 0 | 62° – 69° |
| September | 74° | 41° | 0.9" | 0.0" | 7 | 0 | 54° – 62° |
| October | 58° | 32° | 1.1" | 0.1" | 9 | 0 | 39° – 50° |
| November | 42° | 24° | 1.1" | 1.6" | 9 | 2 | 27° – 38° |
| December | 34° | 18° | 1.2" | 6.8" | 9 | 5 | 20° – 31° |
| Year | 59° | 33° | 12.8" | 17.1" | 100 | 24 |
How much a month can swing
A normal is an average. January swings the most: from 1991 to 2020 its average ranged from 15° to 34°. August is the most reliable, staying within 7°.
Where Stevensville’s numbers come from
Normals are 30-year averages, not a forecast. How TownRatings reads climate data →
- Temperatures and precipitation: NOAA’s gridded 1991–2020 normals for the 5 km cell at Stevensville’s center.
- Snow: Stevensville, MT (NOAA station in town).
- Frost, freezing nights, 90° and 100° days, heating and cooling: Stevensville, MT, 0.4 miles from the town’s center, at about the same height; the nearest station that passes our checks for distance, height and agreement with the grid.
- Growing zone: USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service and PRISM Group, Oregon State University, prism.oregonstate.edu/phzm, accessed 8 Oct 2026.
- Then and now: NOAA’s gridded normals for 1901–2000 at the same cell.
- Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).
Common questions about Stevensville’s climate
What is the weather like in Stevensville?
A typical July afternoon reaches 86°, a January night drops to 18°, and about 17 inches of snow falls in a normal winter. Colder January nights than 68% of U.S. towns; hotter July afternoons than 55% of U.S. towns.
How cold does it get in Stevensville in winter?
January nights average 18°. About 175 nights a year reach 32° or below and 7 reach 0° or below. In the coldest January of the last 30 years the month averaged 15°.
How much snow does Stevensville get?
About 17 inches in a normal winter at Stevensville, MT, most of it in December, with snow on the ground about 24 days a year.
How hot does it get in Stevensville?
July, with a typical high of 86° and a low of 50°. About 28 days a year reach 90° and 2 reach 100° (Stevensville, MT).
When is the first and last frost in Stevensville?
In half of years the last spring frost (32°) comes by May 22 and the first fall frost by September 19, about 115 frost-free days, at Stevensville, MT.
What growing zone is Stevensville in?
Zone 5b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −10°.
What is the best time of year to visit Stevensville?
By one simple rule (highs of 62–84° and lows of 40° or more), June and September. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Stevensville getting warmer?
Yes: 1991–2020 averaged 0.8° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 90% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Stevensville.
Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.