Climate Helena - Montana
| JanJa | FebFe | MarMa | AprAp | MayMa | JunJu | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 33 | 39 | 48 | 58 | 67 | 76 |
| Average low in ºF Av. low Lo | 13 | 17 | 24 | 32 | 41 | 49 |
| Av. precipitation in inch Av. precip. Pre. | 0.36 | 0.30 | 0.59 | 0.98 | 1.87 | 2.06 |
| Av. snowfall in inch Snowfall Sn | 6 | 5 | 6 | 4 | 1 | 0 |
| JulJu | AugAu | SepSe | OctOc | NovNo | DecDe | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 86 | 85 | 73 | 59 | 43 | 32 |
| Average low in ºF Av. low Lo | 54 | 52 | 43 | 33 | 22 | 12 |
| Av. precipitation in inch Av. precip. Pre. | 1.19 | 1.20 | 1.10 | 0.68 | 0.49 | 0.40 |
| Av. snowfall in inch Snowfall Sn | 0 | 0 | 1 | 3 | 5 | 7 |
What is the average weather in Helena, Montana?
Helena experiences a cold semi-arid climate, marked by very large seasonal temperature contrasts. Summers are warm, but winters are cold and snowy, bringing significant snowfall. The area is generally dry, with low annual precipitation, though summer sees more moisture, often in brief showers.
Helena Climate Graph - Montana Climate Chart
Daily normals Helena - Montana - January
Day | High ºF | Low ºF | Prec/mo inch | Prec/yr inch | Snow/mo inch | Snow/yr inch |
|---|---|---|---|---|---|---|
| 1 Jan | 31.0 | 12.2 | 0.01 | 0.01 | 0.20 | 0.20 |
| 2 Jan | 31.0 | 12.2 | 0.03 | 0.03 | 0.50 | 0.50 |
| 3 Jan | 31.1 | 12.2 | 0.04 | 0.04 | 0.70 | 0.70 |
| 4 Jan | 31.2 | 12.3 | 0.05 | 0.05 | 0.90 | 0.90 |
| 5 Jan | 31.2 | 12.3 | 0.07 | 0.07 | 1.20 | 1.20 |
| 6 Jan | 31.3 | 12.4 | 0.08 | 0.08 | 1.40 | 1.40 |
| 7 Jan | 31.4 | 12.5 | 0.09 | 0.09 | 1.60 | 1.60 |
| 8 Jan | 31.5 | 12.6 | 0.11 | 0.11 | 1.90 | 1.90 |
| 9 Jan | 31.6 | 12.6 | 0.12 | 0.12 | 2.10 | 2.10 |
| 10 Jan | 31.7 | 12.7 | 0.14 | 0.14 | 2.30 | 2.30 |
| 11 Jan | 31.8 | 12.8 | 0.15 | 0.15 | 2.60 | 2.60 |
| 12 Jan | 31.9 | 13.0 | 0.16 | 0.16 | 2.80 | 2.80 |
| 13 Jan | 32.0 | 13.1 | 0.18 | 0.18 | 3.00 | 3.00 |
| 14 Jan | 32.1 | 13.2 | 0.19 | 0.19 | 3.20 | 3.20 |
| 15 Jan | 32.2 | 13.3 | 0.20 | 0.20 | 3.40 | 3.40 |
| 16 Jan | 32.3 | 13.4 | 0.21 | 0.21 | 3.60 | 3.60 |
| 17 Jan | 32.5 | 13.5 | 0.22 | 0.22 | 3.80 | 3.80 |
| 18 Jan | 32.6 | 13.7 | 0.23 | 0.23 | 4.00 | 4.00 |
| 19 Jan | 32.7 | 13.8 | 0.24 | 0.24 | 4.20 | 4.20 |
| 20 Jan | 32.8 | 13.9 | 0.26 | 0.26 | 4.40 | 4.40 |
| 21 Jan | 32.9 | 14.0 | 0.27 | 0.27 | 4.60 | 4.60 |
| 22 Jan | 33.0 | 14.2 | 0.28 | 0.28 | 4.70 | 4.70 |
| 23 Jan | 33.1 | 14.3 | 0.29 | 0.29 | 4.90 | 4.90 |
| 24 Jan | 33.3 | 14.4 | 0.30 | 0.30 | 5.20 | 5.20 |
| 25 Jan | 33.4 | 14.5 | 0.31 | 0.31 | 5.30 | 5.30 |
| 26 Jan | 33.5 | 14.6 | 0.33 | 0.33 | 5.50 | 5.50 |
| 27 Jan | 33.6 | 14.7 | 0.34 | 0.34 | 5.80 | 5.80 |
| 28 Jan | 33.7 | 14.9 | 0.35 | 0.35 | 6.00 | 6.00 |
| 29 Jan | 33.9 | 15.0 | 0.36 | 0.36 | 6.20 | 6.20 |
| 30 Jan | 34.0 | 15.1 | 0.38 | 0.38 | 6.40 | 6.40 |
| 31 Jan | 34.1 | 15.2 | 0.39 | 0.39 | 6.60 | 6.60 |
Weather history Helena - September 2026
| Day | High ºF | Low ºF | Precip. inch | Snow inch | Snow d. inch |
|---|---|---|---|---|---|
| 01 Sep | 84.9 | 48.0 | 0.01 | 0.00 | 0.0 |
| 02 Sep | 82.0 | 48.9 | 0.07 | 0.00 | 0.0 |
| 03 Sep | 77.0 | 46.0 | 0.00 | 0.00 | 0.0 |
| 04 Sep | 75.9 | 55.0 | 0.01 | 0.00 | 0.0 |
| 05 Sep | 73.9 | 54.0 | T | 0.00 | 0.0 |
| 06 Sep | 75.0 | 55.9 | 0.00 | 0.00 | 0.0 |
| 07 Sep | 66.9 | 52.0 | 0.26 | 0.00 | 0.0 |
| 08 Sep | 69.1 | 46.0 | 0.00 | 0.00 | 0.0 |
| 09 Sep | - | - | - | - | - |
| 10 Sep | - | - | - | - | - |
| 11 Sep | - | - | - | - | - |
| 12 Sep | - | - | - | - | - |
| 13 Sep | - | - | - | - | - |
| 14 Sep | - | - | - | - | - |
| 15 Sep | - | - | - | - | - |
| 16 Sep | - | - | - | - | - |
| 17 Sep | - | - | - | - | - |
| 18 Sep | - | - | - | - | - |
| 19 Sep | - | - | - | - | - |
| 20 Sep | - | - | - | - | - |
| 21 Sep | - | - | - | - | - |
| 22 Sep | - | - | - | - | - |
| 23 Sep | - | - | - | - | - |
| 24 Sep | - | - | - | - | - |
| 25 Sep | - | - | - | - | - |
| 26 Sep | - | - | - | - | - |
| 27 Sep | - | - | - | - | - |
| 28 Sep | - | - | - | - | - |
| 29 Sep | - | - | - | - | - |
| 30 Sep | - | - | - | - | - |
Past weather Helena
| Sep 26 | Normal | ||
|---|---|---|---|
| Average high temperature Av. high temp. | 75.6 ºF | 33 ºF | |
| Average low temperature Av. low temp. | 50.7 ºF | 13 ºF | |
| Total precipitation Total precip. | 0.35 inch | 0.36 inch | |
| Total snowfall Total snowfall | 0.00 inch | 6 inch | |
| Highest max temperature Highest max temp. | 84.9 ºF | - | |
| Lowest max temperature Lowest max temp. | 66.9 ºF | - | |
| Highest min temperature Highest min temp. | 55.9 ºF | - | |
| Lowest min temperature Lowest min temp. | 46.0 ºF | - | |
Past weather September 2026 incomplete - Missing data
Geo Helena - Montana
| Country | United States | |
|---|---|---|
| State | Montana | |
| County | Lewis and Clark | |
| City | Helena | |
| Zip Code | 59601 | |
| Longitude | -111.98 dec. degr. | |
| Latitude | 46.61 dec. degr. | |
| Altitude - Elevation | 3848ft | |
| ICAO | - | |
| IATA | - |
Date and Time Helena - Montana
| Local Time | 08:33 PM | |
|---|---|---|
| Sunrise | 06:59 AM | |
| Sunset | 07:49 PM | |
| Day/Night | Night | |
| Timezone | Mountain Daylight Time | |
| Timezone DB | America - Denver |
Map of Helena - Montana
USGS National Map — Open interactive map
Helena weather averages
| Annual high temperature | 58ºF |
| Annual low temperature | 33ºF |
| Average annual precip. | 11.22 inch |
| Av. annual snowfall | 38 inch |
Station Data
Monthly averages Helena
Longitude: -111.983, Latitude: 46.6068
Average weather Helena, MT - 59601
Monthly: 1991-2020 normals
History: 2007-2026
Abbreviations
Average precipitation in : Av. precipitation in
Jan: January, Feb: February, ...Jan: January, Feb: February, ...Ja: January, Fe: February, ...