South Dakota weather in July: Statewide normals and every place, NOAA 1991-2020
In July, South Dakota's statewide normal high is 86°F and normal low 60°F; normal highs run from 79°F in Custer to 91°F in Interior (NOAA 1991-2020 normals).
- Statewide normal high
- 86°FJuly, 1991-2020
- Statewide normal low
- 60°FJuly, 1991-2020
- Statewide normal precipitation
- 2.82 inJuly
- Warmest place
- 91°Fnormal high, Interior
- Coolest place
- 79°Fnormal high, Custer
Where is South Dakota warmest and wettest in July?
Interior has the warmest July afternoons (91°F) and Custer the coolest (79°F). Britton gets the most precipitation (4.41 in) and Philip the least (1.83 in).
Statewide, July averaged 75.3°F in 2021, 74.6°F in 2022, 70.8°F in 2023, 72.9°F in 2024, 72.8°F in 2025, 77.6°F in 2026, against a 1991-2020 normal of 72.6°F.
| Place | High | Low | Precip. | Snow |
|---|---|---|---|---|
| Sioux Falls | 85°F | 63°F | 3.25 | 0.0 |
| Rapid City | 86°F | 59°F | 2.28 | 0.0 |
| Aberdeen | 85°F | 60°F | 3.09 | 0.0 |
| Brookings | 81°F | 60°F | 3.61 | 0.0 |
| Watertown | 82°F | 60°F | 3.05 | 0.0 |
| Yankton | 87°F | 64°F | 3.46 | 0.0 |
| Mitchell | 87°F | 64°F | 2.36 | – |
| Huron | 86°F | 62°F | 2.83 | 0.0 |
| Spearfish | 84°F | 58°F | 2.35 | 0.0 |
| Pierre | 88°F | 62°F | 2.39 | 0.0 |
| Vermillion | 86°F | 63°F | 3.61 | – |
| Madison | 83°F | 61°F | 3.33 | 0.0 |
| Belle Fourche | 87°F | 60°F | 1.96 | 0.0 |
| Hot Springs | 89°F | 57°F | 2.41 | 0.0 |
| Milbank | 81°F | 60°F | 3.80 | – |
| Mobridge | 87°F | 62°F | 2.33 | 0.0 |
| Lead | 82°F | 57°F | 3.12 | 0.0 |
| Canton | 83°F | 62°F | 3.55 | 0.0 |
| Winner | 90°F | 64°F | 2.36 | – |
| Pine Ridge | 89°F | 60°F | 2.12 | – |
| Chamberlain | 88°F | 63°F | 2.18 | – |
| Sisseton | 83°F | 60°F | 3.49 | 0.0 |
| Flandreau | 81°F | 60°F | 3.81 | 0.0 |
| Redfield | 84°F | 60°F | 3.27 | – |
| Custer | 79°F | 54°F | 3.29 | – |
| Webster | 81°F | 61°F | 4.02 | 0.0 |
| Oglala | 88°F | 61°F | – | – |
| Kyle | 88°F | 59°F | 2.68 | – |
| Wagner | 88°F | 64°F | 2.63 | – |
| Deadwood | 83°F | 56°F | – | – |
| Salem | 83°F | 60°F | 2.97 | – |
| Miller | 85°F | 61°F | 3.01 | 0.0 |
| Gregory | 87°F | 62°F | 2.99 | 0.0 |
| Clear Lake | 80°F | 60°F | 3.27 | 0.0 |
| Britton | 83°F | 58°F | 4.41 | 0.0 |
| Clark | 81°F | 60°F | 3.44 | – |
| Lemmon | 87°F | 59°F | 2.75 | 0.0 |
| Mission | 87°F | 61°F | 2.61 | 0.0 |
| Tyndall | 86°F | 63°F | 3.33 | 0.0 |
| Gettysburg | 84°F | 60°F | 3.01 | 0.0 |
| De Smet | 82°F | 61°F | 3.88 | 0.0 |
| Centerville | 84°F | 62°F | 3.05 | 0.0 |
| Hill City | 83°F | 51°F | 3.55 | 0.0 |
| Ipswich | 84°F | 59°F | 3.13 | 0.0 |
| Arlington | 83°F | 61°F | 3.19 | – |
| Martin | 87°F | 59°F | 2.86 | 0.0 |
| Howard | 87°F | 60°F | 3.51 | 0.0 |
| Faulkton | 85°F | 59°F | 2.74 | 0.0 |
| Wessington Springs | 84°F | 62°F | 3.09 | 0.0 |
| Edgemont | 89°F | 55°F | 2.21 | 0.0 |
| Eureka | 82°F | 58°F | 3.10 | 0.0 |
| Philip | 90°F | 60°F | 1.83 | – |
| Castlewood | 83°F | 59°F | 3.49 | – |
| Armour | 88°F | 62°F | 2.67 | 0.0 |
| Johnson Siding | 83°F | 54°F | 3.48 | – |
| Alexandria | 84°F | 60°F | 3.13 | 0.0 |
| Highmore | 86°F | 60°F | 2.97 | 0.0 |
| Onida | 87°F | 61°F | 2.52 | 0.0 |
| Menno | 86°F | 63°F | 2.79 | 0.0 |
| Selby | 84°F | 60°F | 2.68 | 0.0 |
| Newell | 86°F | 59°F | 2.07 | 0.0 |
| Timber Lake | 86°F | 59°F | 2.85 | 0.0 |
| Bridgewater | 85°F | 63°F | 3.41 | – |
| Dupree | 90°F | 60°F | 2.49 | 0.0 |
| Waubay | 82°F | 62°F | 3.79 | 0.0 |
| Presho | 87°F | 59°F | – | – |
| Murdo | 87°F | 63°F | 2.84 | 0.0 |
| Montrose | 84°F | 62°F | – | – |
| Wilmot | 82°F | 60°F | 3.66 | 0.0 |
| Leola | 83°F | 59°F | 3.09 | – |
| White Lake | 86°F | 62°F | 2.99 | 0.0 |
| Faith | 87°F | 59°F | 2.15 | – |
| Buffalo | 86°F | 58°F | 2.16 | – |
| Bison | 86°F | 59°F | 2.50 | 0.0 |
| Kennebec | 90°F | 61°F | 2.84 | 0.0 |
| Roscoe | 83°F | 59°F | 3.24 | 0.0 |
| Summit | 82°F | 58°F | 4.07 | 0.0 |
| Bonesteel | 87°F | 62°F | 3.16 | 0.0 |
| Pickstown | 87°F | 64°F | 2.51 | 0.0 |
| Pollock | 85°F | 60°F | 2.74 | 0.0 |
| Mellette | 84°F | 59°F | 3.51 | 0.0 |
| Wentworth | 83°F | 61°F | 3.22 | 0.0 |
| Columbia | 83°F | 60°F | 3.62 | 0.0 |
| Conde | 84°F | 60°F | 3.61 | 0.0 |
| Astoria | 80°F | 60°F | – | – |
| Oelrichs | 89°F | 58°F | 2.00 | 0.0 |
| Midland | 89°F | 60°F | – | – |
| Andover | 82°F | 61°F | 3.81 | – |
| Camp Crook | 88°F | 57°F | 2.06 | 0.0 |
| Interior | 91°F | 62°F | 2.23 | 0.0 |
| Wasta | 89°F | 60°F | 2.32 | 0.0 |
| Turton | 84°F | 61°F | 3.31 | – |
| Wood | 88°F | 60°F | 2.42 | 0.0 |
| Forestburg | 86°F | 60°F | 3.10 | 0.0 |
| Winfred | 82°F | 60°F | 3.43 | – |
| Oral | 89°F | 56°F | 2.35 | 0.0 |
| Cottonwood | 88°F | 59°F | 2.10 | 0.0 |
| Stephan | 85°F | 60°F | 2.89 | 0.0 |
| Gann Valley | 87°F | 61°F | 3.20 | 0.0 |
| Aberdeen (35 mi WNW) | 81°F | 58°F | 2.96 | – |
| Academy (2 mi NE) | 87°F | 63°F | 3.03 | 0.0 |
| Antelope Ranger Station | 85°F | 55°F | – | – |
| Ardmore | 91°F | 56°F | 2.24 | 0.0 |
| Bear Ridge | 88°F | 55°F | 2.32 | 0.0 |
| Cedar Butte | 90°F | 62°F | 2.62 | 0.0 |
| Elm Springs (3 mi ESE) | 88°F | 60°F | 2.06 | 0.0 |
| Fort Meade | 86°F | 60°F | 2.27 | 0.0 |
| Fort Pierre (17 mi WSW) | 90°F | 62°F | 2.43 | 0.0 |
| Glad Valley (2 mi W) | 84°F | 59°F | 2.66 | 0.0 |
| Harrington | 87°F | 60°F | 2.14 | 0.0 |
| Harrold (12 mi SSW) | 87°F | 58°F | 2.68 | 0.0 |
| Hereford (12 mi SW) | 86°F | 59°F | 2.30 | 0.0 |
| Hoover | 88°F | 56°F | 2.49 | 0.0 |
| Kirley (6 mi N) | 89°F | 61°F | 2.60 | 0.0 |
| Ladner (9 mi SW) | 84°F | 57°F | 2.60 | 0.0 |
| Lake Sharpe Project | 88°F | 61°F | 2.80 | 0.0 |
| Lodgepole (5 mi SW) | 82°F | 52°F | 2.34 | – |
| Longvalley | 88°F | 61°F | 2.69 | – |
| Ludlow (3 mi SSE) | 84°F | 57°F | 2.25 | – |
| Manderson (3 mi NE) | 88°F | 60°F | – | – |
| Maurine (12 mi SW) | 88°F | 58°F | 2.47 | 0.0 |
| McIntosh (6 mi SE) | 86°F | 58°F | 2.68 | 0.0 |
| McLaughlin | 85°F | 58°F | 3.03 | 0.0 |
| Milesville (5 mi NE) | 88°F | 61°F | 2.78 | 0.0 |
| Mission Ridge (5 mi NW) | 87°F | 61°F | 2.55 | – |
| Mount Rushmore National Memorial | 79°F | 59°F | 3.59 | 0.0 |
| Oahe Dam | 89°F | 61°F | 2.58 | – |
| Pactola Dam | 79°F | 51°F | 3.07 | 0.0 |
| Pierre (24 mi S) | 86°F | 61°F | 2.45 | – |
| Plainview (6 mi SSW) | 87°F | 58°F | 2.44 | 0.0 |
| Porcupine (11 mi N) | 88°F | 58°F | 2.15 | – |
| Ralph (1 mi N) | 86°F | 56°F | 2.22 | – |
| Rauville (2 mi W) | 82°F | 60°F | 3.59 | 0.0 |
| Red Owl | 85°F | 57°F | 2.46 | 0.0 |
| Redig (11 mi NE) | 87°F | 56°F | 2.15 | 0.0 |
| Rochford (2 mi WNW) | 80°F | 44°F | – | – |
| Roy Lake | 82°F | 62°F | 4.41 | 0.0 |
| Shadehill Reservoir | 86°F | 57°F | – | – |
| Victor (4 mi N) | 82°F | 60°F | 3.63 | 0.0 |
| Wind Cave | 85°F | 57°F | 3.01 | 0.0 |
| Zeona (10 mi SSW) | 87°F | 58°F | – | – |
Source: NOAA NCEI nClimDiv statewide normals; NOAA NCEI 1991-2020 monthly normals for each station.