Climate Sidney - Montana
| JanJa | FebFe | MarMa | AprAp | MayMa | JunJu | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 27 | 33 | 46 | 62 | 72 | 80 |
| Average low in ºF Av. low Lo | 7 | 12 | 22 | 33 | 44 | 53 |
| Av. precipitation in inch Av. precip. Pre. | 0.41 | 0.33 | 0.60 | 1.05 | 2.03 | 2.80 |
| Av. snowfall in inch Snowfall Sn | 7 | 5 | 4 | 2 | 1 | 0 |
| JulJu | AugAu | SepSe | OctOc | NovNo | DecDe | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 87 | 87 | 75 | 60 | 42 | 29 |
| Average low in ºF Av. low Lo | 57 | 56 | 45 | 34 | 22 | 10 |
| Av. precipitation in inch Av. precip. Pre. | 2.52 | 1.16 | 1.25 | 1.10 | 0.55 | 0.52 |
| Av. snowfall in inch Snowfall Sn | 0 | 0 | 0 | 2 | 4 | 8 |
What is the average weather in Sidney, Montana?
Sidney experiences a cold semi-arid climate, marked by very large seasonal temperature contrasts. Summers are warm, but winters are very cold and bring significant snowfall. The area is dry overall, with precipitation generally low, though summers are somewhat wetter than the drier winter months.
Sidney Climate Graph - Montana Climate Chart
Daily normals Sidney - Montana - January
Day | High ºF | Low ºF | Prec/mo inch | Prec/yr inch | Snow/mo inch | Snow/yr inch |
|---|---|---|---|---|---|---|
| 1 Jan | 27.4 | 6.8 | 0.02 | 0.02 | 0.30 | 0.30 |
| 2 Jan | 27.3 | 6.7 | 0.04 | 0.04 | 0.60 | 0.60 |
| 3 Jan | 27.3 | 6.6 | 0.05 | 0.05 | 0.90 | 0.90 |
| 4 Jan | 27.2 | 6.5 | 0.07 | 0.07 | 1.20 | 1.20 |
| 5 Jan | 27.1 | 6.4 | 0.09 | 0.09 | 1.50 | 1.50 |
| 6 Jan | 27.0 | 6.3 | 0.11 | 0.11 | 1.80 | 1.80 |
| 7 Jan | 27.0 | 6.2 | 0.12 | 0.12 | 2.10 | 2.10 |
| 8 Jan | 26.9 | 6.2 | 0.14 | 0.14 | 2.30 | 2.30 |
| 9 Jan | 26.9 | 6.1 | 0.16 | 0.16 | 2.60 | 2.60 |
| 10 Jan | 26.9 | 6.1 | 0.18 | 0.18 | 2.90 | 2.90 |
| 11 Jan | 26.9 | 6.1 | 0.19 | 0.19 | 3.10 | 3.10 |
| 12 Jan | 26.8 | 6.1 | 0.21 | 0.21 | 3.40 | 3.40 |
| 13 Jan | 26.8 | 6.1 | 0.23 | 0.23 | 3.70 | 3.70 |
| 14 Jan | 26.8 | 6.1 | 0.24 | 0.24 | 3.90 | 3.90 |
| 15 Jan | 26.9 | 6.1 | 0.26 | 0.26 | 4.10 | 4.10 |
| 16 Jan | 26.9 | 6.1 | 0.27 | 0.27 | 4.40 | 4.40 |
| 17 Jan | 26.9 | 6.2 | 0.29 | 0.29 | 4.60 | 4.60 |
| 18 Jan | 26.9 | 6.2 | 0.30 | 0.30 | 4.80 | 4.80 |
| 19 Jan | 27.0 | 6.3 | 0.31 | 0.31 | 5.00 | 5.00 |
| 20 Jan | 27.0 | 6.3 | 0.33 | 0.33 | 5.10 | 5.10 |
| 21 Jan | 27.1 | 6.4 | 0.34 | 0.34 | 5.30 | 5.30 |
| 22 Jan | 27.2 | 6.5 | 0.35 | 0.35 | 5.50 | 5.50 |
| 23 Jan | 27.2 | 6.6 | 0.36 | 0.36 | 5.70 | 5.70 |
| 24 Jan | 27.3 | 6.7 | 0.38 | 0.38 | 5.90 | 5.90 |
| 25 Jan | 27.4 | 6.8 | 0.39 | 0.39 | 6.10 | 6.10 |
| 26 Jan | 27.5 | 6.9 | 0.40 | 0.40 | 6.20 | 6.20 |
| 27 Jan | 27.6 | 7.0 | 0.41 | 0.41 | 6.40 | 6.40 |
| 28 Jan | 27.7 | 7.1 | 0.42 | 0.42 | 6.50 | 6.50 |
| 29 Jan | 27.9 | 7.2 | 0.43 | 0.43 | 6.70 | 6.70 |
| 30 Jan | 28.0 | 7.4 | 0.44 | 0.44 | 6.80 | 6.80 |
| 31 Jan | 28.2 | 7.5 | 0.45 | 0.45 | 7.00 | 7.00 |
Weather history Sidney - September 2026
| Day | High ºF | Low ºF | Precip. inch | Snow inch | Snow d. inch |
|---|---|---|---|---|---|
| 01 Sep | 81.0 | 46.9 | 0.00 | - | - |
| 02 Sep | - | - | - | - | - |
| 03 Sep | - | - | - | - | - |
| 04 Sep | - | - | - | - | - |
| 05 Sep | - | - | - | - | - |
| 06 Sep | - | - | - | - | - |
| 07 Sep | - | - | - | - | - |
| 08 Sep | - | - | - | - | - |
| 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 Sidney
| Sep 26 | Normal | ||
|---|---|---|---|
| Average high temperature Av. high temp. | 81.0 ºF | 27 ºF | |
| Average low temperature Av. low temp. | 46.9 ºF | 7 ºF | |
| Total precipitation Total precip. | 0.00 inch | 0.41 inch | |
| Total snowfall Total snowfall | - inch | 7 inch | |
| Highest max temperature Highest max temp. | 81.0 ºF | - | |
| Lowest max temperature Lowest max temp. | 81.0 ºF | - | |
| Highest min temperature Highest min temp. | 46.9 ºF | - | |
| Lowest min temperature Lowest min temp. | 46.9 ºF | - | |
Past weather September 2026 incomplete - Missing data
Geo Sidney - Montana
| Country | United States | |
|---|---|---|
| State | Montana | |
| County | Richland | |
| City | Sidney | |
| Zip Code | 59270 | |
| Longitude | -104.19 dec. degr. | |
| Latitude | 47.71 dec. degr. | |
| Altitude - Elevation | 1975ft | |
| ICAO | - | |
| IATA | - |
Date and Time Sidney - Montana
| Local Time | 08:20 AM | |
|---|---|---|
| Sunrise | 06:26 AM | |
| Sunset | 07:21 PM | |
| Day/Night | Day | |
| Timezone | Mountain Daylight Time | |
| Timezone DB | America - Denver |
Map of Sidney - Montana
USGS National Map — Open interactive map
Sidney weather averages
| Annual high temperature | 58ºF |
| Annual low temperature | 33ºF |
| Average annual precip. | 14.32 inch |
| Av. annual snowfall | 33 inch |
Station Data
Monthly averages Sidney
Longitude: -104.193, Latitude: 47.7069
Average weather Sidney, MT - 59270
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, ...