Winner (SD) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Winner.
Climate overview of Winner
Winner, South Dakota, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 32°C (90°F) in July, while winters cool to 1°C (34°F) in December.
Winner sees a moderate amount of rain/snowfall, totalling around 628 mm (25 in) per year. It experiences a distinct dry season from November to March, with very warm summers and very cold winters, creating some seasonal variation.
Winner Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Winner - and find the best time to visit.
Monthly Temperature in Winner
Depending on the time of the year, temperatures range from very warm to very cold in Winner. Average maximum daytime temperatures range from a very warm 32°C (90°F) in July, the warmest time of the year, to a very cold 1°C (34°F) during cooler months like December.
At night, you can expect temperatures ranging from 18°C (64°F) in July to around -10°C (14°F) during December.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Winner
Generally, Winner has a moderate amount of precipitation, averaging 628 mm (25 in) of rain/snowfall annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, June it receives high rainfall, averaging 117 mm (4.6 in) of precipitation, recorded across 13 rainy days. In contrast, the driest month January brings less snowfall, with 11 mm (0.4 in) over 5 snowy days. For more details, please visit our Winner Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Winner
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May and September
- Warmest weather: July
- Fewest rainy days: January, February and November
- Wettest months: April, May, June, July and August, when rainfall is highest.
- Seasonal pattern: A distinct dry season from November to March, with very warm summers and very cold winters
- Coldest conditions: December, with freezing nights around -10°C (14°F).
Frequently asked questions about the climate in Winner
What is the best time to visit Winner?
May and September typically offer the most optimal weather in Winner. In contrast, January, February, March and December tend to have less optimal conditions. Winner has a distinct dry season from November to March, with very warm summers and very cold winters.
What temperatures can I expect in Winner?
Daytime highs range from 1°C (34°F) in December to 32°C (90°F) in July. Nighttime lows range from -10°C (14°F) to 18°C (64°F). Temperatures vary considerably through the year.
How much rain does Winner get?
Annual rainfall is around 628 mm (25 in). June is the wettest month with 117 mm (4.6 in), while January is the driest with 11 mm (0.4 in).
Winner 3-Day Forecast
Winner (SD) 3-Day Forecast
Winner on the map
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