Climate Interior - South Dakota
| JanJa | FebFe | MarMa | AprAp | MayMa | JunJu | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 38 | 42 | 51 | 63 | 73 | 82 |
| Average low in ºF Av. low Lo | 16 | 18 | 27 | 36 | 47 | 56 |
| Av. precipitation in inch Av. precip. Pre. | 0.42 | 0.54 | 1.23 | 1.93 | 3.24 | 3.09 |
| Av. snowfall in inch Snowfall Sn | 4 | 6 | 6 | 4 | 0 | 0 |
| JulJu | AugAu | SepSe | OctOc | NovNo | DecDe | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 91 | 91 | 81 | 66 | 49 | 38 |
| Average low in ºF Av. low Lo | 63 | 62 | 51 | 39 | 26 | 16 |
| Av. precipitation in inch Av. precip. Pre. | 2.30 | 1.67 | 1.48 | 1.48 | 0.71 | 0.41 |
| Av. snowfall in inch Snowfall Sn | 0 | 0 | 0 | 1 | 2 | 5 |
Interior experiences a cold semi-arid climate, marked by very large seasonal temperature contrasts. Summers are hot, while winters are cold and bring regular snowfall. The area is generally dry, with low annual precipitation, though summer months tend to be wetter, with precipitation often arriving in brief showers.
Interior Climate Graph - South Dakota Climate Chart
Daily normals Interior - South Dakota - January
Day | High ºF | Low ºF | Prec/mo inch | Prec/yr inch | Snow/mo inch | Snow/yr inch |
|---|---|---|---|---|---|---|
| 1 Jan | 37.3 | 15.3 | 0.04 | 0.04 | 0.12 | 0.30 |
| 2 Jan | 37.3 | 15.3 | 0.04 | 0.04 | 0.31 | 0.80 |
| 3 Jan | 37.3 | 15.4 | 0.04 | 0.04 | 0.39 | 1.00 |
| 4 Jan | 37.4 | 15.4 | 0.08 | 0.08 | 0.59 | 1.50 |
| 5 Jan | 37.4 | 15.4 | 0.08 | 0.08 | 0.71 | 1.80 |
| 6 Jan | 37.5 | 15.5 | 0.08 | 0.08 | 0.79 | 2.00 |
| 7 Jan | 37.5 | 15.5 | 0.12 | 0.12 | 0.98 | 2.50 |
| 8 Jan | 37.6 | 15.5 | 0.12 | 0.12 | 1.10 | 2.80 |
| 9 Jan | 37.6 | 15.5 | 0.12 | 0.12 | 1.18 | 3.00 |
| 10 Jan | 37.6 | 15.6 | 0.16 | 0.16 | 1.30 | 3.30 |
| 11 Jan | 37.7 | 15.6 | 0.16 | 0.16 | 1.42 | 3.60 |
| 12 Jan | 37.7 | 15.6 | 0.16 | 0.16 | 1.61 | 4.10 |
| 13 Jan | 37.8 | 15.6 | 0.20 | 0.20 | 1.69 | 4.30 |
| 14 Jan | 37.8 | 15.6 | 0.20 | 0.20 | 1.81 | 4.60 |
| 15 Jan | 37.8 | 15.6 | 0.20 | 0.20 | 1.89 | 4.80 |
| 16 Jan | 37.9 | 15.6 | 0.24 | 0.24 | 2.01 | 5.10 |
| 17 Jan | 37.9 | 15.7 | 0.24 | 0.24 | 2.09 | 5.30 |
| 18 Jan | 37.9 | 15.7 | 0.24 | 0.24 | 2.28 | 5.80 |
| 19 Jan | 38.0 | 15.7 | 0.28 | 0.28 | 2.40 | 6.10 |
| 20 Jan | 38.0 | 15.7 | 0.28 | 0.28 | 2.52 | 6.40 |
| 21 Jan | 38.1 | 15.7 | 0.28 | 0.28 | 2.60 | 6.60 |
| 22 Jan | 38.1 | 15.7 | 0.31 | 0.31 | 2.72 | 6.90 |
| 23 Jan | 38.2 | 15.7 | 0.31 | 0.31 | 2.80 | 7.10 |
| 24 Jan | 38.2 | 15.7 | 0.31 | 0.31 | 2.91 | 7.40 |
| 25 Jan | 38.3 | 15.7 | 0.35 | 0.35 | 2.99 | 7.60 |
| 26 Jan | 38.3 | 15.7 | 0.35 | 0.35 | 3.11 | 7.90 |
| 27 Jan | 38.4 | 15.7 | 0.35 | 0.35 | 3.19 | 8.10 |
| 28 Jan | 38.5 | 15.7 | 0.39 | 0.39 | 3.31 | 8.40 |
| 29 Jan | 38.5 | 15.8 | 0.39 | 0.39 | 3.39 | 8.60 |
| 30 Jan | 38.6 | 15.8 | 0.39 | 0.39 | 3.58 | 9.10 |
| 31 Jan | 38.7 | 15.8 | 0.43 | 0.43 | 3.70 | 9.40 |
Weather history Interior - June 2026
| Day | High ºF | Low ºF | Precip. inch | Snow inch | Snow d. inch |
|---|---|---|---|---|---|
| 01 Jun | 79.0 | 51.1 | 0.00 | 0.00 | 0.0 |
| 02 Jun | 87.1 | 61.0 | 0.35 | 0.00 | 0.0 |
| 03 Jun | 81.0 | 60.1 | 0.98 | 0.00 | 0.0 |
| 04 Jun | - | - | - | - | - |
| 05 Jun | - | - | - | - | - |
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| 29 Jun | - | - | - | - | - |
| 30 Jun | - | - | - | - | - |
Past weather Interior
| Jun 26 | Normal | ||
|---|---|---|---|
| Average high temperature Av. high temp. | 82.4 ºF | 38 ºF | |
| Average low temperature Av. low temp. | 57.4 ºF | 16 ºF | |
| Total precipitation Total precip. | 1.33 inch | 0.42 inch | |
| Total snowfall Total snowfall | 0.00 inch | 4 inch | |
| Highest max temperature Highest max temp. | 87.1 ºF | - | |
| Lowest max temperature Lowest max temp. | 79.0 ºF | - | |
| Highest min temperature Highest min temp. | 61.0 ºF | - | |
| Lowest min temperature Lowest min temp. | 51.1 ºF | - | |
Past weather June 2026 incomplete - Missing data
Geo Interior - South Dakota
| Country | United States | |
|---|---|---|
| State | South Dakota | |
| County | Jackson | |
| City | Interior | |
| Zip Code | 57750 | |
| Longitude | -101.98 dec. degr. | |
| Latitude | 43.73 dec. degr. | |
| Altitude - Elevation | 2320ft | |
| ICAO | - | |
| IATA | - |
Date and Time Interior - South Dakota
| Local Time | 04:16 PM | |
|---|---|---|
| Sunrise | 05:03 AM | |
| Sunset | 08:33 PM | |
| Day/Night | Day | |
| Timezone | Denver -7:00 | |
| Timezone DB | America - Denver |
Map of Interior - South Dakota
USGS National Map — Open interactive map
Interior weather averages
| Annual high temperature | 64ºF |
| Annual low temperature | 38ºF |
| Average annual precip. | 18.5 inch |
| Av. annual snowfall | 28 inch |
Station Data
Monthly averages Interior
Longitude: -101.98, Latitude: 43.73
Average weather Interior, SD - 57750
Monthly: 1991-2020 normals
History: 2007-2026
Abbreviations
Average precipitation in : Av. precipitation in
Jan: January, Feb: February, ...Jan: January, Feb: February, ...Ja: January, Fe: February, ...