Hot-summer humid continental climate
Climate Winner - South Dakota
Annual high61ºF
Annual low36ºF
Precipitation23.93 inch
| Month | HighºF | LowºF | Precipinch | Snowinch |
|---|---|---|---|---|
| Jan | 34 | 12 | 0.52 | 7 |
| Feb | 38 | 15 | 0.62 | 7 |
| Mar | 48 | 23 | 1.54 | 10 |
| Apr | 60 | 34 | 2.72 | 7 |
| May | 71 | 47 | 3.76 | 0 |
| Jun | 81 | 57 | 3.91 | 0 |
| Jul | 88 | 63 | 2.94 | 0 |
| Aug | 87 | 60 | 2.23 | 0 |
| Sep | 78 | 50 | 2.24 | 0 |
| Oct | 64 | 37 | 1.87 | 1 |
| Nov | 46 | 25 | 0.97 | 8 |
| Dec | 34 | 14 | 0.61 | 9 |
- JanHigh 34ºFLow 12ºFPrecip 0.52 inch
- FebHigh 38ºFLow 15ºFPrecip 0.62 inch
- MarHigh 48ºFLow 23ºFPrecip 1.54 inch
- AprHigh 60ºFLow 34ºFPrecip 2.72 inch
- MayHigh 71ºFLow 47ºFPrecip 3.76 inch
- JunHigh 81ºFLow 57ºFPrecip 3.91 inch
- JulHigh 88ºFLow 63ºFPrecip 2.94 inch
- AugHigh 87ºFLow 60ºFPrecip 2.23 inch
- SepHigh 78ºFLow 50ºFPrecip 2.24 inch
- OctHigh 64ºFLow 37ºFPrecip 1.87 inch
- NovHigh 46ºFLow 25ºFPrecip 0.97 inch
- DecHigh 34ºFLow 14ºFPrecip 0.61 inch
Climate summary
What is the average weather in Winner, South Dakota?
Winner experiences a humid continental climate, marked by very strong seasonal contrasts. Summers are hot, while winters are cold and bring significant snowfall. Precipitation is moderate overall, with a strong seasonal pattern that makes summers wetter and winters drier, though moisture is spread relatively evenly throughout the year.
Winner weather averages
Annual high61ºF
Annual low36ºF
Precipitation23.93 inch
Snowfall49 inch
Daily normals Winner - South Dakota - January
| Day | HighºF | LowºF | Prec/ | Prec/ | Snow/ | Snow/ |
|---|---|---|---|---|---|---|
| Jan 1 | 34.4 | 13.1 | 0.02 | 0.02 | 0.30 | 0.30 |
| Jan 2 | 34.4 | 13.0 | 0.04 | 0.04 | 0.50 | 0.50 |
| Jan 3 | 34.4 | 12.9 | 0.06 | 0.06 | 0.80 | 0.80 |
| Jan 4 | 34.4 | 12.9 | 0.08 | 0.08 | 1.00 | 1.00 |
| Jan 5 | 34.4 | 12.8 | 0.10 | 0.10 | 1.30 | 1.30 |
| Jan 6 | 34.5 | 12.7 | 0.11 | 0.11 | 1.50 | 1.50 |
| Jan 7 | 34.5 | 12.7 | 0.13 | 0.13 | 1.80 | 1.80 |
| Jan 8 | 34.6 | 12.6 | 0.15 | 0.15 | 2.00 | 2.00 |
| Jan 9 | 34.6 | 12.5 | 0.17 | 0.17 | 2.30 | 2.30 |
| Jan 10 | 34.7 | 12.5 | 0.19 | 0.19 | 2.50 | 2.50 |
| Jan 11 | 34.7 | 12.5 | 0.21 | 0.21 | 2.80 | 2.80 |
| Jan 12 | 34.8 | 12.4 | 0.23 | 0.23 | 3.00 | 3.00 |
| Jan 13 | 34.9 | 12.4 | 0.25 | 0.25 | 3.30 | 3.30 |
| Jan 14 | 35.0 | 12.4 | 0.27 | 0.27 | 3.50 | 3.50 |
| Jan 15 | 35.0 | 12.3 | 0.28 | 0.28 | 3.70 | 3.70 |
| Jan 16 | 35.1 | 12.3 | 0.30 | 0.30 | 4.00 | 4.00 |
| Jan 17 | 35.2 | 12.3 | 0.32 | 0.32 | 4.20 | 4.20 |
| Jan 18 | 35.3 | 12.3 | 0.33 | 0.33 | 4.40 | 4.40 |
| Jan 19 | 35.3 | 12.3 | 0.35 | 0.35 | 4.60 | 4.60 |
| Jan 20 | 35.4 | 12.3 | 0.36 | 0.36 | 4.90 | 4.90 |
| Jan 21 | 35.5 | 12.3 | 0.38 | 0.38 | 5.10 | 5.10 |
| Jan 22 | 35.6 | 12.3 | 0.39 | 0.39 | 5.30 | 5.30 |
| Jan 23 | 35.7 | 12.3 | 0.41 | 0.41 | 5.50 | 5.50 |
| Jan 24 | 35.8 | 12.3 | 0.42 | 0.42 | 5.70 | 5.70 |
| Jan 25 | 35.9 | 12.3 | 0.44 | 0.44 | 5.90 | 5.90 |
| Jan 26 | 35.9 | 12.4 | 0.46 | 0.46 | 6.10 | 6.10 |
| Jan 27 | 36.0 | 12.4 | 0.47 | 0.47 | 6.30 | 6.30 |
| Jan 28 | 36.1 | 12.4 | 0.49 | 0.49 | 6.60 | 6.60 |
| Jan 29 | 36.2 | 12.5 | 0.51 | 0.51 | 6.80 | 6.80 |
| Jan 30 | 36.3 | 12.5 | 0.52 | 0.52 | 7.00 | 7.00 |
| Jan 31 | 36.5 | 12.6 | 0.54 | 0.54 | 7.20 | 7.20 |
Precipitation and snow add up through the month (/mo) and the year (/yr)
Weather history Winner - August 2026
| Day | HighºF | LowºF | Precip.inch |
|---|---|---|---|
| Aug 1 | 86.0 | 64.9 | 0.00 |
| Aug 2 | 88.0 | 59.0 | 0.00 |
| Aug 3 | 96.1 | 59.0 | 0.00 |
| Aug 4 | – | – | – |
| Aug 5 | – | – | – |
| Aug 6 | – | – | – |
| Aug 7 | – | – | – |
| Aug 8 | 82.0 | 62.1 | 0.00 |
| Aug 9 | 91.0 | 57.0 | 0.00 |
| Aug 10 | 89.1 | 57.0 | 0.00 |
| Aug 11 | – | – | – |
| Aug 12 | – | – | – |
| Aug 13 | – | – | – |
| Aug 14 | – | – | – |
| Aug 15 | – | – | – |
| Aug 16 | – | – | – |
| Aug 17 | – | – | – |
| Aug 18 | – | – | – |
| Aug 19 | – | – | – |
| Aug 20 | – | – | – |
| Aug 21 | 93.0 | 61.0 | 0.00 |
| Aug 22 | 86.0 | 61.0 | 0.00 |
| Aug 23 | 84.9 | 57.0 | 0.10 |
| Aug 24 | 80.1 | 57.0 | 0.00 |
| Aug 25 | – | – | – |
| Aug 26 | – | – | – |
| Aug 27 | – | – | – |
| Aug 28 | 89.1 | 59.0 | 0.00 |
| Aug 29 | 91.9 | 59.0 | 0.00 |
| Aug 30 | 93.9 | 62.1 | 0.00 |
| Aug 31 | 95.0 | 66.9 | 0.00 |
The data for August 2026 is incomplete: some days or values are missing.
- –No data
- –Not yet observed or received
- TTrace, too small to measure
Observed extremes
- Highest max temperature96.1ºF · Aug 3
- Lowest max temperature80.1ºF · Aug 24
- Highest min temperature66.9ºF · Aug 31
- Lowest min temperature57.0ºF · Aug 9
Geo Winner - South Dakota
Location
- Country
- United States
- State
- South Dakota
- County
- Tripp
- City
- Winner
- Zip Code
- 57580
- Elevation
- 2008 ft
- Longitude
- -99.84
- Latitude
- 43.39
- ICAO
- –
- IATA
- –