Porcupine, South Dakota Climate
United States
Pop. 1,062 Elev. 971 m / 3,186 ft
TZ: America/Denver (UTC-6) ·
Dry and warm, Porcupine sees July highs of 88°F (31°C) and cold February lows of 12°F (-11°C). Humidity pushes the summer feels-like temperature to 95°F (35°C), while wind chill can drive winter lows to 5°F (-15°C). Expect around 23 rainy days annually (15.5 in / 393 mm total), with snow on 3 days and 27 in (688 mm) of annual accumulation. The city averages 170 sunny days per year.
| Temperature | 88°F (31°C) high | 12°F (-11°C) low |
| Feels like | 95°F (35°C) high | 5°F (-15°C) low |
| Rain | 23 days | 15.5 in (393 mm) /yr |
| Snow | 3 days | 27.1 in (688 mm) /yr |
| Sky | 170 sunny | 14 stormy |
| Wind | 3.2 mph (1.4 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Aug, Sep, Oct
Sky & Air by Month
Cloud cover (%)
48
Jan 50
Feb 53
Mar 52
Apr 51
May 46
Jun 45
Jul 43
Aug 42
Sep 33
Oct 45
Nov 54
Dec Humidity (%)
62
Jan 55
Feb 51
Mar 49
Apr 57
May 55
Jun 58
Jul 59
Aug 54
Sep 54
Oct 53
Nov 54
Dec Weather Days by Month
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 48 mi Chadron Municipal Airport (CDR)
Ski resort 106 mi Terry Peak Ski Area
National park 47 mi Minuteman Missile National Historic Site
Mountain peak
(5,971 ft) 67 mi Mount Coolidge
Hospital 18 mi Pine Ridge Hospital
Hiking trail 41 mi Castle Trail
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 33°F 1°C | 14°F -10°C | 0.0 in 1 mm | 6.0 in151 mm | 15 |
| February | 35°F 2°C | 12°F -11°C | 0.1 in 2 mm | 3.6 in90 mm | 12 |
| March | 57°F 14°C | 31°F -1°C | 0.3 in 8 mm | 9.8 in249 mm | 12 |
| April | 64°F 18°C | 36°F 2°C | 2.3 in 59 mm | 1.2 in31 mm | 12 |
| May | 70°F 21°C | 48°F 9°C | 3.9 in 98 mm | — | 14 |
| June | 83°F 29°C | 57°F 14°C | 2.7 in 69 mm | — | 13 |
| July | 88°F 31°C | 64°F 18°C | 2.4 in 61 mm | — | 16 |
| August | 86°F 30°C | 62°F 17°C | 1.5 in 37 mm | — | 16 |
| September | 81°F 27°C | 55°F 13°C | 1.4 in 37 mm | — | 17 |
| October | 68°F 20°C | 45°F 7°C | 0.4 in 11 mm | — | 19 |
| November | 55°F 13°C | 33°F 1°C | 0.3 in 7 mm | 2.7 in68 mm | 13 |
| December | 50°F 10°C | 25°F -4°C | 0.1 in 3 mm | 3.9 in99 mm | 11 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 15 | 0 |
| February | 12 | 0 |
| March | 12 | 0 |
| April | 12 | 3 |
| May | 14 | 5 |
| June | 13 | 3 |
| July | 16 | 1 |
| August | 16 | 1 |
| September | 17 | 1 |
| October | 19 | 0 |
| November | 13 | 0 |
| December | 11 | 0 |