Climate Big Sandy - Montana
| JanJa | FebFe | MarMa | AprAp | MayMa | JunJu | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 32 | 36 | 47 | 59 | 68 | 76 |
| Average low in ºF Av. low Lo | 10 | 14 | 23 | 33 | 42 | 49 |
| Av. precipitation in inch Av. precip. Pre. | 0.48 | 0.29 | 0.62 | 1.12 | 2.37 | 2.70 |
| JulJu | AugAu | SepSe | OctOc | NovNo | DecDe | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 85 | 85 | 73 | 59 | 43 | 33 |
| Average low in ºF Av. low Lo | 55 | 53 | 44 | 33 | 21 | 11 |
| Av. precipitation in inch Av. precip. Pre. | 1.52 | 1.14 | 1.35 | 0.81 | 0.51 | 0.50 |
What is the average weather in Big Sandy, Montana?
Big Sandy experiences a cold semi-arid climate, marked by very large seasonal temperature contrasts due to its inland location. Summers are warm, while winters are cold. The area is dry overall, with precipitation generally low and arriving in brief showers, though summer months tend to be wetter than the drier winters.
Big Sandy Climate Graph - Montana Climate Chart
Daily normals Big Sandy - Montana - January
Day | High ºF | Low ºF | Prec/mo inch | Prec/yr inch | Snow/mo inch | Snow/yr inch |
|---|---|---|---|---|---|---|
| 1 Jan | 30.4 | 9.5 | 0.01 | 0.01 | 0.00 | |
| 2 Jan | 30.3 | 9.4 | 0.03 | 0.03 | 0.00 | |
| 3 Jan | 30.2 | 9.3 | 0.04 | 0.04 | 0.00 | |
| 4 Jan | 30.2 | 9.2 | 0.05 | 0.05 | 0.00 | |
| 5 Jan | 30.2 | 9.2 | 0.07 | 0.07 | 0.00 | |
| 6 Jan | 30.1 | 9.1 | 0.09 | 0.09 | 0.00 | |
| 7 Jan | 30.1 | 9.1 | 0.10 | 0.10 | 0.00 | |
| 8 Jan | 30.1 | 9.1 | 0.12 | 0.12 | 0.00 | |
| 9 Jan | 30.2 | 9.1 | 0.13 | 0.13 | 0.00 | |
| 10 Jan | 30.2 | 9.1 | 0.15 | 0.15 | 0.00 | |
| 11 Jan | 30.2 | 9.2 | 0.17 | 0.17 | 0.00 | |
| 12 Jan | 30.3 | 9.2 | 0.18 | 0.18 | 0.00 | |
| 13 Jan | 30.3 | 9.3 | 0.19 | 0.19 | 0.00 | |
| 14 Jan | 30.4 | 9.3 | 0.21 | 0.21 | 0.00 | |
| 15 Jan | 30.4 | 9.4 | 0.22 | 0.22 | 0.00 | |
| 16 Jan | 30.5 | 9.5 | 0.24 | 0.24 | 0.00 | |
| 17 Jan | 30.6 | 9.6 | 0.25 | 0.25 | 0.00 | |
| 18 Jan | 30.7 | 9.7 | 0.26 | 0.26 | 0.00 | |
| 19 Jan | 30.8 | 9.8 | 0.28 | 0.28 | 0.00 | |
| 20 Jan | 30.9 | 9.9 | 0.29 | 0.29 | 0.00 | |
| 21 Jan | 31.0 | 10.0 | 0.30 | 0.30 | 0.00 | |
| 22 Jan | 31.1 | 10.1 | 0.32 | 0.32 | 0.00 | |
| 23 Jan | 31.2 | 10.2 | 0.33 | 0.33 | 0.00 | |
| 24 Jan | 31.3 | 10.4 | 0.34 | 0.34 | 0.00 | |
| 25 Jan | 31.5 | 10.5 | 0.36 | 0.36 | 0.00 | |
| 26 Jan | 31.6 | 10.6 | 0.37 | 0.37 | 0.00 | |
| 27 Jan | 31.7 | 10.7 | 0.39 | 0.39 | 0.00 | |
| 28 Jan | 31.9 | 10.9 | 0.40 | 0.40 | 0.00 | |
| 29 Jan | 32.0 | 11.0 | 0.42 | 0.42 | 0.00 | |
| 30 Jan | 32.1 | 11.1 | 0.43 | 0.43 | 0.00 | |
| 31 Jan | 32.3 | 11.3 | 0.45 | 0.45 | 0.00 |
Weather history Big Sandy - May 2026
| Day | High ºF | Low ºF | Precip. inch | Snow inch | Snow d. inch |
|---|---|---|---|---|---|
| 01 May | 75.9 | 37.0 | 0.00 | - | - |
| 02 May | 75.0 | 35.1 | 0.00 | - | - |
| 03 May | 77.0 | 37.0 | 0.00 | - | - |
| 04 May | 75.0 | 44.1 | 0.00 | - | - |
| 05 May | 55.9 | 30.0 | 0.00 | - | - |
| 06 May | 70.0 | 24.1 | 0.00 | - | - |
| 07 May | 66.9 | 37.9 | 0.00 | - | - |
| 08 May | 78.1 | 42.1 | 0.00 | - | - |
| 09 May | 73.0 | 51.1 | 0.00 | - | - |
| 10 May | 80.1 | 42.1 | 0.00 | - | - |
| 11 May | 81.0 | 50.0 | 0.00 | - | - |
| 12 May | 78.1 | 26.1 | 0.00 | - | - |
| 13 May | 91.0 | 63.0 | 0.36 | - | - |
| 14 May | 68.0 | 46.9 | 0.00 | - | - |
| 15 May | 66.9 | 45.0 | 0.00 | - | - |
| 16 May | 63.0 | 37.9 | 0.00 | - | - |
| 17 May | 48.0 | 37.9 | 0.03 | - | - |
| 18 May | 55.9 | 33.1 | 0.10 | - | - |
| 19 May | 66.9 | 41.0 | 0.00 | - | - |
| 20 May | 62.1 | 39.9 | 0.06 | - | - |
| 21 May | 63.0 | 30.9 | 0.00 | - | - |
| 22 May | 71.1 | 35.1 | 0.00 | - | - |
| 23 May | 77.0 | 46.0 | 0.00 | - | - |
| 24 May | 84.0 | 46.0 | 0.00 | - | - |
| 25 May | 89.1 | 48.9 | 0.00 | - | - |
| 26 May | 95.0 | 52.0 | 0.00 | - | - |
| 27 May | 91.0 | 57.9 | 0.00 | - | - |
| 28 May | 91.9 | 55.0 | 0.40 | - | - |
| 29 May | 89.1 | 57.0 | 0.00 | - | - |
| 30 May | 71.1 | 55.0 | 0.00 | - | - |
| 31 May | 66.0 | 44.1 | 2.40 | - | - |
Past weather Big Sandy
| May 26 | Normal | ||
|---|---|---|---|
| Average high temperature Av. high temp. | 74.1 ºF | 32 ºF | |
| Average low temperature Av. low temp. | 42.9 ºF | 10 ºF | |
| Total precipitation Total precip. | 3.35 inch | 0.48 inch | |
| Total snowfall Total snowfall | - inch | 0 inch | |
| Highest max temperature Highest max temp. | 95.0 ºF | - | |
| Lowest max temperature Lowest max temp. | 48.0 ºF | - | |
| Highest min temperature Highest min temp. | 63.0 ºF | - | |
| Lowest min temperature Lowest min temp. | 24.1 ºF | - | |
Past weather May 2026 incomplete - Missing data
Geo Big Sandy - Montana
| Country | United States | |
|---|---|---|
| State | Montana | |
| County | Chouteau | |
| City | Big Sandy | |
| Zip Code | 59520 | |
| Longitude | -110.11 dec. degr. | |
| Latitude | 48.16 dec. degr. | |
| Altitude - Elevation | 2690ft | |
| ICAO | - | |
| IATA | - |
Date and Time Big Sandy - Montana
| Local Time | 03:28 PM | |
|---|---|---|
| Sunrise | 05:44 AM | |
| Sunset | 09:09 PM | |
| Day/Night | Day | |
| Timezone | Mountain Daylight Time | |
| Timezone DB | America - Denver |
Map of Big Sandy - Montana
USGS National Map — Open interactive map
Big Sandy weather averages
| Annual high temperature | 58ºF |
| Annual low temperature | 32ºF |
| Average annual precip. | 13.41 inch |
Station Data
Monthly averages Big Sandy
Longitude: -110.113, Latitude: 48.1625
Average weather Big Sandy, MT - 59520
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, ...