Custer, South Dakota Climate
United States
Pop. 1,952 Elev. 1,619 m / 5,312 ft
TZ: America/Denver (UTC-6) ·
Custer has harsh winters with February lows averaging 9°F (-13°C), and mild summers with July highs of 81°F (27°C). Wind chill can push winter lows to 2°F (-17°C). Rain falls on about 28 days per year (22.3 in / 565 mm total), with snow on 6 days and 39 in (1002 mm) of annual accumulation. The city averages 150 sunny days per year.
| Temperature | 81°F (27°C) high | 9°F (-13°C) low |
| Feels like | 84°F (29°C) high | 2°F (-17°C) low |
| Rain | 28 days | 22.3 in (565 mm) /yr |
| Snow | 6 days | 39.4 in (1002 mm) /yr |
| Sky | 150 sunny | 19 stormy |
| Wind | 3.4 mph (1.5 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 (%)
48
Jan 52
Feb 54
Mar 52
Apr 52
May 47
Jun 47
Jul 45
Aug 43
Sep 35
Oct 46
Nov 55
Dec Humidity (%)
59
Jan 58
Feb 50
Mar 52
Apr 60
May 59
Jun 63
Jul 64
Aug 59
Sep 58
Oct 59
Nov 58
Dec Weather Days by Month
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 33 mi Rapid City Regional Airport (RAP)
Ski resort 41 mi Terry Peak Ski Area
National park 11 mi Mount Rushmore National Memorial
Mountain peak
(6,306 ft) 2 mi Buckhorn Mountain
Hospital 1 mi Monument Health Custer Hospital
Hiking trail 4 mi George S. Mickelson Trail
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 31°F -1°C | 12°F -11°C | 0.0 in 0 mm | 5.0 in127 mm | 13 |
| February | 32°F 0°C | 9°F -13°C | 0.0 in 1 mm | 5.6 in143 mm | 11 |
| March | 53°F 12°C | 29°F -1°C | 0.2 in 5 mm | 9.8 in249 mm | 11 |
| April | 57°F 14°C | 31°F -1°C | 1.9 in 47 mm | 7.6 in194 mm | 10 |
| May | 64°F 18°C | 42°F 6°C | 4.0 in 101 mm | 1.8 in47 mm | 14 |
| June | 76°F 25°C | 50°F 10°C | 4.4 in 112 mm | — | 13 |
| July | 81°F 27°C | 57°F 14°C | 3.7 in 93 mm | — | 15 |
| August | 79°F 26°C | 55°F 13°C | 4.6 in 116 mm | — | 14 |
| September | 74°F 24°C | 49°F 9°C | 1.2 in 30 mm | — | 15 |
| October | 61°F 16°C | 39°F 4°C | 1.9 in 47 mm | 0.0 in1 mm | 17 |
| November | 50°F 10°C | 30°F -1°C | 0.3 in 7 mm | 3.9 in99 mm | 9 |
| December | 46°F 8°C | 25°F -4°C | 0.2 in 6 mm | 5.6 in142 mm | 8 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 13 | 0 |
| February | 11 | 0 |
| March | 11 | 0 |
| April | 10 | 1 |
| May | 14 | 2 |
| June | 13 | 3 |
| July | 15 | 3 |
| August | 14 | 7 |
| September | 15 | 1 |
| October | 17 | 2 |
| November | 9 | 0 |
| December | 8 | 0 |