Stevensville, MT Climate: Temperature & Rain by Month
Temperature and precipitation from NOAA NCEI 1991–2020 normals →, plus PlainClimate's derived comfort score
30-year climate normals (1991-2020) from Stevensville's primary NOAA station, STEVENSVILLE.
The climate verdict for Stevensville
Dryness leads the climate profile for Stevensville, Montana, with 12.4 inches of precipitation a year. NOAA records an annual average of 46°F. At 54/100 (moderate) the climate comfort score falls in the bottom third of the station-mapped U.S. score corpus, exceeding only 31% of scores.
- 46°F
- average temperature, NOAA 1991-2020 normal
- 54/100
- comfort score, above 31% of station-mapped location scores
- 12.4"
- annual precipitation · 17" snow
- 120 days
- growing season, frost-free days
Stevensville: NOAA 1991-2020 normals describe a typical year, not a forecast. Method: /methodology.
Normals record plate
Sheet USC00247894 · Stevensville, MT 46°F mean · 12.4" precip
TEMP-COOL · RANK-COOL · PHOTO-FINISH · PRCP-DRY · SWING-MID · COMF-LOW · LOAD-HEAT · STN-1 · BOOK-FULL
- TEMP-COOL 46°F
- RANK-COOL #1,441
- PHOTO-FINISH ≈ Diamond Valley…
- PRCP-DRY 12.4"
- SWING-MID 41°F
- COMF-LOW 54/100
- LOAD-HEAT 7,270 HDD
- STN-1 USC00247894
- BOOK-FULL 6/6 fields
Nearest mean-temperature peer: Diamond Valley - Eureka, NV (+ 0 °F mean)
Instrument codes from this station's NOAA 1991–2020 normals, mean temperature, corpus warmth rank, photo-finish peer station, precipitation band, seasonal swing, comfort composite, degree-day load, and field book, not a livability rating.
Mean-temperature neighbourhood
Nationwide NOAA normal poles and nearest peers, not a reprint of every MT station list.
- Stevensville (this station) 46°F
- Cold Deer Park, WA 46°F
- Hot Livingston, MT 46°F
- Near Diamond Valley…, NV 46°F
- Near Laurel Summit, PA 46°F
Stevensville sits in Montana, the #6 coldest U.S. state at 43.4°F statewide annual average - see all 50 coldest states ranked by NOAA normals
Climate Living Index · Stevensville
Stevensville: 24/100 · grade F
Stevensville publishes 5 of 6 Living Index dimensions (NOAA annual/seasonal normals · NOAA daily multivariate normals); 1 missing weight rescale to 100.
PlainClimate-derived for Stevensville, not an official NOAA rating. Rankings still use Comfort Score 54/100 (separate formula). Breakpoints and limits.
| Dimension | Station value | Score |
|---|---|---|
| Snowfall burden | 17.1 inches/year | 53/100 · D |
| Normal heat + freeze calendar | 184 calendar days | 23/100 · F |
| Annual temperature balance | 45.6°F · 21.9° from 67.5°F | 22/100 · F |
| Precipitation balance | 12.4 in · 22.6 from 35 in | 20/100 · F |
| Frost-free season | 120 days/year | 7/100 · F |
Stevensville · 2026-08-04 · NOAA NCEI Climate Normals · method · Comfort Score method.
Stevensville is a continental Köppen climate: Dfb
Coldest-month mean 26.0°F and warmest-month mean 67.1°F place this station in continental, no dry season, warm summer climates (Dfb). Class Dfb is the Peel et al. (2007) label for this station's monthly mean temperature and precipitation normals: continental, specifically continental, no dry season, warm summer.
- Köppen code
- Dfb
- Group
- Continental
- Warmest month
- 67.1°F
- Coldest month
- 26.0°F
Source: official public datasets monthly normals (1991–2020) at the city’s primary station. This is a station classification, not a mapped regional consensus.
National standing · heating-led station
Where Stevensville sits across the climate record
Three NOAA fields for Stevensville's primary station, temperature, precipitation, and seasonal swing, are ranked against every station-mapped normal that carries the same field.
- Annual temperature
- Cooler than 79%
- Among 6,861 stations, Stevensville sits in the cooler third of annual means.
- Annual precipitation
- Drier than 89%
- Stevensville's annual total ranks in the drier third of 6,352 measured normals.
- Seasonal temperature swing
- 40th percentile swing
- Typical seasonal amplitude versus 6,861 complete station-years.
How Stevensville compares across U.S. station-mapped locations
Stevensville's comfort score vs. all station-mapped locations
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
54 31st percentile score exceeds 31% of 6,189 station-mapped location scores
- 0–10: 0 station-mapped locations (0%). Below this entry.
- 10–20: 0 station-mapped locations (0%). Below this entry.
- 20–30: 96 station-mapped locations (2%). Below this entry.
- 30–40: 280 station-mapped locations (5%). Below this entry.
- 40–50: 1,113 station-mapped locations (18%). Below this entry.
- 50–60: 1,329 station-mapped locations (21%). This entry sits in this band.
- 60–70: 1,236 station-mapped locations (20%). Above this entry.
- 70–80: 650 station-mapped locations (11%). Above this entry.
- 80–90: 921 station-mapped locations (15%). Above this entry.
- 90–100: 564 station-mapped locations (9%). Above this entry.
Source NOAA U.S. Climate Normals, PlainClimate comfort index · 1991–2020
Stevensville's measured station temperature trend
MethodologyAcross 81 complete annual observations from 1912 to 2022, STEVENSVILLE warmed at a fitted rate of 0.12°C per decade. The line shows the fitted change relative to its first year, not raw year-to-year temperatures or a forecast.
- Stevensville primary station fitted change +0.12 °C/decade
Monthly Temperatures
Average daily high and low temperatures by month
| Month | Avg High | Avg Low | Mean | Precip | Snow | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|---|
| January | 35°F (1°C) | 19°F (-7°C) | 27°F (-3°C) | 1.0" | 4.0" | 28.7 | 0.0 |
| February | 38°F (3°C) | 21°F (-6°C) | 30°F (-1°C) | 0.9" | 3.0" | 25.5 | 0.0 |
| March | 50°F (10°C) | 26°F (-3°C) | 38°F (3°C) | 0.8" | 1.5" | 25.0 | 0.0 |
| April | 58°F (14°C) | 32°F (0°C) | 45°F (7°C) | 0.9" | 0.1" | 16.1 | 0.0 |
| May | 68°F (20°C) | 39°F (4°C) | 53°F (12°C) | 1.4" | 0.0" | 5.5 | 0.5 |
| June | 75°F (24°C) | 45°F (7°C) | 60°F (16°C) | 1.6" | 0.0" | 0.3 | 2.3 |
| July | 85°F (30°C) | 49°F (9°C) | 67°F (19°C) | 0.8" | 0.0" | 0.0 | 13.5 |
| August | 84°F (29°C) | 47°F (8°C) | 66°F (19°C) | 0.8" | 0.0" | 0.1 | 10.4 |
| September | 74°F (23°C) | 40°F (5°C) | 57°F (14°C) | 0.8" | 0.0" | 4.0 | 1.6 |
| October | 58°F (14°C) | 32°F (0°C) | 45°F (7°C) | 1.0" | 0.1" | 16.1 | 0.0 |
| November | 43°F (6°C) | 25°F (-4°C) | 34°F (1°C) | 1.1" | 1.6" | 24.8 | 0.0 |
| December | 33°F (1°C) | 19°F (-7°C) | 26°F (-3°C) | 1.1" | 6.8" | 29.0 | 0.0 |
The year, day by day
Summer here tops out rather than builds: the warmest normal high is 88°F around July 26, short of 90°F on every date, while 184 dates carry a normal low at or below freezing, the coldest 18°F near December 26.
The freezing stretch
The normal low stays at or below 32°F into April 16, then returns to freezing around October 16, covering 184 dates in all.
Derived from the normal daily minimum. This is a different measure from the 50%-probability frost dates shown elsewhere on this page, which come from NOAA’s frost product.
Where the wet dates fall
The likeliest wet date is May 31, when 36% of years recorded at least a hundredth of an inch. The driest is July 28 at 17%. Summed across the calendar, that is about 101 wet dates a year.
The widest day
July 29 carries the biggest normal gap between afternoon and dawn, 38°F between the normal high and the normal low.
Look up any date
Any date's 1991–2020 normal for Stevensville.
Where Stevensville Stands Nationally
Day-to-night contrast is extreme by national standards — the widest normal daily swing reaches about 38°F, sharper than nine in ten ranked stations see.
Freezing is routine here by normals standards — the normal low reaches 32°F or colder on about 184 nights a year, more than most ranked stations.
Stevensville earns 2 nationally notable standings (outer quintiles) against 6,860 NOAA 1991–2020 normals stations; only those extremes render.
Monthly Precipitation
Average monthly rainfall and snowfall
Snow: 4.0"
9.4 days with precipitation
Snow: 3.0"
7.6 days with precipitation
Snow: 1.5"
9.5 days with precipitation
Snow: 0.1"
8.7 days with precipitation
10.0 days with precipitation
10.1 days with precipitation
5.5 days with precipitation
6.0 days with precipitation
6.5 days with precipitation
Snow: 0.1"
8.5 days with precipitation
Snow: 1.6"
9.0 days with precipitation
Snow: 6.8"
9.3 days with precipitation
Stevensville spreads its precipitation across the year
Neither half of the year dominates here: June through August take 26% of the annual total and December through February 24%, with neither reaching the 35% that would mark a distinct wet season. Stevensville has no dry season to plan around, though it does carry a 41.1°F seasonal spread.
The gap between the wettest and driest month still matters: June averages 1.6" and March 0.8". The three wettest months together take 34% of the year, against the 25% a perfectly flat distribution would give them.
Shares are computed from this station's own 1991-2020 monthly precipitation normals. "Spread across the year" means neither the June-August nor the December-February share reaches 35%; it describes an average year, not the variability of any single one.
Stevensville is dry, and what does fall arrives gently
Only about 100 days a year record measurable precipitation here, 27% of the calendar, and they carry 12.4" between them. At roughly 0.12 inches on an average wet day, this is not the damp drizzle of a marine climate; it is an arid record in which precipitation is both uncommon and light when it appears.
The wettest month by count is June at about 10 wet days; the driest is July at about 6.
A low per-event average in a dry record is a statement about typical days only. Arid regions can still take a large share of a year's total from a single convective storm, which a normal cannot show.
A wet day is one recording at least 0.01 inches. These are 1991-2020 normals: they describe an average year, not the extremes within it.
Winter brings real snow to Stevensville
Stevensville averages 17.1 inches of snowfall a year, with December the snowiest month on the normals, spread across roughly 9 days that record measurable snow. That is depth accumulating on the ground, which is why it can exceed the annual precipitation figure: precipitation counts the liquid the snow melts down to, and fresh snow is mostly air.
- Annual snowfall: 17.1 inches of depth.
- Days recording measurable snow: about 9 a year.
- At a rough ten-to-one melt ratio, snow accounts for on the order of 14% of the year's precipitation.
NOAA 1991-2020 normals. The ten-to-one ratio is a convention, not a measurement: real ratios vary with temperature, so treat the share as an order of magnitude rather than an exact split.
Frost Dates & Growing Season
First Fall Freeze
September 19
50% probability date
Last Spring Freeze
May 22
50% probability date
Growing Season
120 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
7,270
Higher = more heating needed
Cooling Degree Days
217
Higher = more cooling needed
Warmest Month
July
Coldest Month
December
Nationwide similar cities
Other rankable U.S. places outside MT closest to Stevensville on two NOAA annual-normal axes (mean temperature and annual precipitation). Chip rows use distinct link sets.
Closest by average temperature
Nearest out-of-state peers by annual mean temperature (46°F here).
- Appleton, WI 46°F · 0.0°F off
- Cobleskill, NY 46°F · 0.0°F off
- Downey, ID 46°F · 0.0°F off
- La Crosse, WI 46°F · 0.0°F off
Closest by annual precipitation
Nearest out-of-state peers by annual precipitation (12.4" here), excluding temperature-peer places.
- Cedaredge, CO 12.5" · 0.0" off
- Crestone, CO 12.4" · 0.0" off
- Willcox, AZ 12.4" · 0.0" off
- Midwest, WY 12.4" · 0.1" off
Snow and freeze rhythm
When cold and snow define Stevensville
heating led · dry · mid swing
Stevensville's energy balance leans toward cold weather: 7,270 annual heating degree days against 217 for cooling. Its 41.1°F seasonal range still makes the monthly rows more useful than the annual average alone.
Only about 120 days are frost-free in a normal year. That short interval is consistent with the cold-season signal, but the measure does not predict the exact first or last freeze in any one year.
-
1. Stevensville coldest normal
December
The monthly mean of 26°F (-3°C) sits near freezing, so cold nights and above-freezing afternoons share the same month.
-
2. Stevensville typical freeze period
January through December
The station reports average freezing days from January through December.
-
3. Stevensville snow peak
December
Stevensville averages 17.1 inches of snow a year, with December the snowiest month on the normals.
Questions about Stevensville's climate
How much snow does Stevensville get? ▼
How cold does Stevensville get in winter? ▼
How much energy does heating and cooling require in Stevensville? ▼
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). All figures on this page are from Stevensville's primary station: STEVENSVILLE (USC00247894). For informational purposes only.
Place identity: U.S. Census Bureau 2024 Gazetteer places. The 2024 Census Gazetteer identifies the exact name-and-state match as an incorporated place (GEOID 3071200). Match rule for Stevensville: exact normalized name + state only, no fuzzy expansion, so nearby differently spelled facilities stay unmatched.
On this page every temperature, precipitation, and derived score for Stevensville comes from its primary NOAA station record. No figure on this page is typed in by an editor - each value is rendered from NOAA 1991-2020 U.S. Climate Normals. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 1991–2020 normals.