Sidney, Montana Climate
United States
Pop. 6,828 Elev. 591 m / 1,939 ft
TZ: America/Denver (UTC-6) ·
Sidney experiences a wide climate range, from bitterly cold winters of -1°F (-18°C) in February to warm summers reaching 85°F (29°C) in July. Wind chill can push winter lows to -10°F (-23°C). Precipitation occurs on roughly 18 days per year (16.2 in / 412 mm total), with snow on 2 days and 32 in (819 mm) of annual accumulation. The city averages 126 sunny days per year.
| Temperature | 85°F (29°C) high | -1°F (-18°C) low |
| Feels like | 88°F (31°C) high | -10°F (-23°C) low |
| Rain | 18 days | 16.2 in (412 mm) /yr |
| Snow | 2 days | 32.3 in (819 mm) /yr |
| Sky | 126 sunny | 9 stormy |
| Wind | 2.7 mph (1.2 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Sep, Oct
Sky & Air by Month
Cloud cover (%)
61
Jan 59
Feb 68
Mar 56
Apr 48
May 51
Jun 50
Jul 40
Aug 35
Sep 42
Oct 61
Nov 73
Dec Humidity (%)
67
Jan 69
Feb 64
Mar 54
Apr 51
May 53
Jun 57
Jul 59
Aug 57
Sep 59
Oct 70
Nov 78
Dec Weather Days by Month
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 2 mi Sidney - Richland Regional Airport (SDY)
Ski resort 211 mi Mission Ridge Winter Park
National park 150 mi Wood Mountain Post Provincial Historic Park
Mountain peak
(5,112 ft) 218 mi
Hospital 1 mi Sidney Health Center
Hiking trail 41 mi Long X Trail
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 26°F -3°C | 9°F -13°C | 0.1 in 2 mm | 4.7 in118 mm | 5 |
| February | 17°F -8°C | -1°F -18°C | 0.1 in 3 mm | 4.8 in123 mm | 7 |
| March | 50°F 10°C | 27°F -3°C | 0.3 in 8 mm | 2.5 in62 mm | 3 |
| April | 59°F 15°C | 33°F 0°C | 1.4 in 37 mm | 0.8 in20 mm | 9 |
| May | 71°F 21°C | 45°F 7°C | 3.5 in 88 mm | — | 16 |
| June | 78°F 26°C | 53°F 12°C | 2.3 in 59 mm | — | 13 |
| July | 85°F 29°C | 59°F 15°C | 3.6 in 91 mm | — | 12 |
| August | 84°F 29°C | 58°F 15°C | 2.0 in 52 mm | — | 17 |
| September | 79°F 26°C | 52°F 11°C | 0.9 in 22 mm | — | 18 |
| October | 63°F 17°C | 39°F 4°C | 1.5 in 38 mm | 0.1 in2 mm | 17 |
| November | 45°F 7°C | 26°F -3°C | 0.3 in 7 mm | 8.1 in206 mm | 6 |
| December | 30°F -1°C | 9°F -13°C | 0.3 in 7 mm | 11.3 in288 mm | 3 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 5 | 0 |
| February | 7 | 0 |
| March | 3 | 0 |
| April | 9 | 1 |
| May | 16 | 0 |
| June | 13 | 1 |
| July | 12 | 3 |
| August | 17 | 3 |
| September | 18 | 1 |
| October | 17 | 0 |
| November | 6 | 0 |
| December | 3 | 0 |