ZIP code · Rapid City · South Dakota · United States
ZIP code 57709 — Rapid City
ZIP code 57709 serves Rapid City, South Dakota.
- Postal code
- 57709Single source Value from one source, not cross-checked.
- City
- Rapid City
- County
- Pennington
- State
- South Dakota
- Country
- United States
- Coordinates
- 44.0761, -103.3171 — precision precise (locality)
View on OpenStreetMap - USDA hardiness zone
- 5b (-15 to -10 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Denver (UTC−7 / UTC−6 DST)
- Area code
- 605Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 57709 with another ZIP · ZIPs within 25 miles · distance from 57709
Climate — monthly normals
Warmest month Jul (avg high 84°F), coldest Jan (avg low 13°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 37 | 38 | 47 | 54 | 64 | 75 | 84 | 83 | 74 | 59 | 47 | 39 |
| Avg low °F | 13 | 15 | 23 | 31 | 42 | 52 | 58 | 56 | 47 | 35 | 24 | 15 |
| Precip in | 0.2 | 0.4 | 0.9 | 2.0 | 3.7 | 3.0 | 2.7 | 2.0 | 1.5 | 1.6 | 0.5 | 0.3 |
NOAA 1991–2020 climate normals from the nearest station: RAPID CITY 4NW (3.5 mi) · NOAA NCEI
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page