Gregory, South Dakota Climate
United States
Pop. 1,254 Elev. 660 m / 2,165 ft
TZ: America/Chicago (UTC-5) ·
Gregory has a dry climate with warm summers reaching 86°F (30°C) in July and cold winters averaging 11°F (-12°C) in February. Humidity pushes the summer feels-like temperature to 96°F (36°C), while wind chill can drive winter lows to 0°F (-18°C). Rain falls on about 33 days per year (24.8 in / 629 mm total), with snow on 4 days and 30 in (767 mm) of annual accumulation. The city averages 151 sunny days per year and around 25 thunderstorm days. Nearby lake water reaches 78°F (26°C) in summer.
| Temperature | 86°F (30°C) high | 11°F (-12°C) low |
| Feels like | 96°F (36°C) high | 0°F (-18°C) low |
| Rain | 33 days | 24.8 in (629 mm) /yr |
| Snow | 4 days | 30.2 in (767 mm) /yr |
| Sky | 151 sunny | 25 stormy |
| Wind | 3.4 mph (1.5 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Apr, Sep, Oct
Sky & Air by Month
Cloud cover (%)
50
Jan 50
Feb 52
Mar 51
Apr 51
May 47
Jun 50
Jul 48
Aug 41
Sep 36
Oct 50
Nov 60
Dec Humidity (%)
66
Jan 56
Feb 59
Mar 55
Apr 55
May 60
Jun 71
Jul 71
Aug 68
Sep 62
Oct 66
Nov 66
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 90 mi Pierre Regional Airport (PIR)
Ski resort 141 mi Great Bear Recreation Park
National park 48 mi Karl E. Mundt National Wildlife Refuge
Mountain peak
(5,171 ft) 205 mi Storm Hill
Hospital 1 mi Avera Gregory Hospital
Hiking trail 168 mi ADT - Nebraska - M - Seg 6
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 32°F 0°C | 11°F -12°C | 0.0 in 1 mm | 4.2 in107 mm | 12 |
| February | 34°F 1°C | 11°F -12°C | 0.1 in 2 mm | 3.1 in78 mm | 11 |
| March | 57°F 14°C | 30°F -1°C | 0.8 in 22 mm | 15.1 in384 mm | 11 |
| April | 63°F 17°C | 37°F 3°C | 1.7 in 44 mm | 0.5 in12 mm | 12 |
| May | 72°F 22°C | 49°F 9°C | 4.8 in 123 mm | — | 14 |
| June | 84°F 29°C | 61°F 16°C | 3.5 in 89 mm | — | 11 |
| July | 86°F 30°C | 65°F 19°C | 4.8 in 123 mm | — | 12 |
| August | 83°F 28°C | 63°F 17°C | 5.5 in 141 mm | — | 13 |
| September | 80°F 26°C | 56°F 13°C | 1.4 in 35 mm | — | 16 |
| October | 67°F 19°C | 46°F 8°C | 1.3 in 34 mm | — | 20 |
| November | 51°F 10°C | 32°F 0°C | 0.3 in 8 mm | 3.4 in86 mm | 12 |
| December | 44°F 7°C | 21°F -6°C | 0.3 in 7 mm | 4.0 in102 mm | 7 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 12 | 0 |
| February | 11 | 0 |
| March | 11 | 1 |
| April | 12 | 1 |
| May | 14 | 4 |
| June | 11 | 3 |
| July | 12 | 6 |
| August | 13 | 7 |
| September | 16 | 1 |
| October | 20 | 2 |
| November | 12 | 0 |
| December | 7 | 0 |
Water Temperatures Data
↑ See chart| Month | Lake Avg High |
|---|---|
| January | 32°F 0°C |
| February | 32°F 0°C |
| March | 35°F 1°C |
| April | 46°F 8°C |
| May | 57°F 14°C |
| June | 71°F 22°C |
| July | 78°F 26°C |
| August | 77°F 25°C |
| September | 67°F 19°C |
| October | 58°F 14°C |
| November | 42°F 6°C |
| December | 32°F 0°C |