Expand
Contents
- The climate of Winner
- The best time to visit Winner
- The worst time to visit Winner
- Spring weather in Winner
- Summer weather in Winner
- Autumn weather in Winner
- Winter weather in Winner
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
The climate of Winner
Winner, South Dakota, USA, experiences a humid continental climate with no dry season and a hot summer, falling under the Dfa Köppen climate classification. Geographically nestled in the North American region, this city experiences a distinct seasonal cycle throughout the year.
The recorded temperature highs exhibit a marked fluctuation throughout the year, spiking to 88°F (31.1°C) in July from the frigid cold of 28.8°F (-1.8°C) in January. The lows also follow a similar pattern, stretching from 66.7°F (19.3°C) in July to 15.6°F (-9.1°C) in January. Humidity in Winner remains relatively high year-round, averaging between 57% to 82%, with the highest in January and the lowest in July, August and September.
The rainfall averages sway from a maximum of 2.8" (71mm) in June to a minimum of 0.47" (12mm) in January. The city experiences an average of 2.7 to 15.3 days of rainfall per month. However, the city also sees an average of up to 9.6 snowfall days in January, with an average accumulation of 2.64" (67mm), progressively decreasing to an absence of snow perception during the summer months.
Sunshine hours per month show a consistent increase from 4.9 hours in January to a peak of 11.4 hours in July, before decreasing to 5.2 hours in December. Sunshine days are equally distributed, ranging from 11.2 days in June to 20.8 days in November. The UV index fluctuates from a maximum of 6 during summer months to a minimum of 1 in December.
The recorded temperature highs exhibit a marked fluctuation throughout the year, spiking to 88°F (31.1°C) in July from the frigid cold of 28.8°F (-1.8°C) in January. The lows also follow a similar pattern, stretching from 66.7°F (19.3°C) in July to 15.6°F (-9.1°C) in January. Humidity in Winner remains relatively high year-round, averaging between 57% to 82%, with the highest in January and the lowest in July, August and September.
The rainfall averages sway from a maximum of 2.8" (71mm) in June to a minimum of 0.47" (12mm) in January. The city experiences an average of 2.7 to 15.3 days of rainfall per month. However, the city also sees an average of up to 9.6 snowfall days in January, with an average accumulation of 2.64" (67mm), progressively decreasing to an absence of snow perception during the summer months.
Sunshine hours per month show a consistent increase from 4.9 hours in January to a peak of 11.4 hours in July, before decreasing to 5.2 hours in December. Sunshine days are equally distributed, ranging from 11.2 days in June to 20.8 days in November. The UV index fluctuates from a maximum of 6 during summer months to a minimum of 1 in December.
The best time to visit Winner
The period from May to September is considered the most pleasing time to visit Winner because of the mild and warm climatic conditions. During this period, the temperatures fall between 56.7°F (13.7°C) to 88°F (31.1°C), accommodating for outdoor activities. The city is bathed in the longest daylight hours, reaching a peak of 15.4 hours in June, coupled with the highest sunshine hours in July of 11.4 hours.
The worst time to visit Winner
The winter months of January and December may not be the most welcoming for Winner visitors. Not only are these months encased in the lowest temperatures, ranging from 15.6°F (-9.1°C) to 31.1°F (-0.5°C), but they also bring along the lowest daylight duration. The cloud cover is substantially high and the snowfall predicts an average of up to 3.19" (81mm) in December.
Spring weather in Winner
Spring weather in Winner comes encompassing March, April and May. Temperature highs during this period progress from 46.6°F (8.1°C) in March to 67.8°F (19.9°C) in May while lows encompass the range from 30.6°F (-0.8°C) to 49.6°F (9.8°C). Rainfall ranges from 1.22" (31mm) in March, peaking at 2.6" (66mm) in May, while snowfall decreases from 2.28" (58mm) in March to almost zero by May.
Summer weather in Winner
Summer carries the months of June, July, and August, with temperatures hitting the year’s peak of 88°F (31.1°C) in July and the lows hovering around between 61°F (16.1°C) to 66.7°F (19.3°C). June carries the maximum rainfall of the year of 2.8" (71mm) dispersed over 15.3 days. The amount of daylight is at its peak during these months with up to 15.4 hours in June.
Autumn weather in Winner
Autumn in Winner extends from September through to November and sees temperature highs decrease progressively from 76.6°F (24.8°C) in September to 46.6°F (8.1°C) in November. Lows range from 56.3°F (13.5°C) in September to 31.1°F (-0.5°C) in November. Rainfall quantities drip gradually from 1.34" (34mm) in September to a minimum of 0.51" (13mm) in November.
Winter weather in Winner
December, January, and February consist of the winter season in Winner. These months hold the coldest weather with temperature highs ranging from 31.1°F (-0.5°C) to 32.5°F (0.3°C) and lows from 15.6°F (-9.1°C) to 18.3°F (-7.6°C). December and January also see the city’s maximum snowfall months with 2.64" (67mm) and 3.19" (81mm) respectively, and the lowest sunshine durations throughout the year.
Weather in January
The new year in Winner, South Dakota ushers in bitter cold temperatures that are a continuation from the preceding month. The weather is dominated by thick cloud cover, with relative humidity at 82% and pressure standing at 30.16in. Weather in January »
Weather in February
As Winner moves from January into February, there is a slight lessening in the intensity of the cold, yet winters here remain deep and temperatures still harsh. February weather stays relatively cloudy with the% of cloud cover comparable to January. Weather in February »
Weather in March
Clearly marking the shift from winter to spring, March in Winner sees temperatures begin to thaw, bringing about more moderate weather conditions. The city experiences an increase in daylight duration with 12 hours on average. Simultaneously, relative humidity dips and chances of snowfall reduce, signalling further withdrawal of the winter season. Weather in March »
Weather in April
April heralds truly springlike conditions in Winner, with increasingly mild days and less stringent winter elements. Longer daylight hours up to 13.5 hours on average, coupled with decreased snowfall, set the stage for the city's move towards summer. Weather in April »
Weather in May
May is characterized by a perceptible shift towards warmer weather conditions, with the city of Winner welcoming the first hints of summer. Relative humidity remains steady and the city gets to enjoy longer sunny days, fulfilled by longer daylight hours now reaching 14.7 on average. Weather in May »
Weather in June
The arrival of June denotes the start of summer in Winner, delivering the highest daylight duration of 15.4 hours on average for the year. The possibility of snowfall vanishes and the frequency of rainfall reduces, although precipitation volumes remain substantial. Weather in June »
Weather in July
As the peak of summer, July exemplifies the heat of the season with elevated temperatures that surpass those of preceding months. It is indeed the summer at its zenith, with UV index reaching its maximum at 6, a nod towards the intensity of the sun at this time. Weather in July »
Weather in August
The summer heat in Winner continues to assert its presence in August, keeping day temperatures high. In contrast to July, this month sees a reduction in daylight hours, a preliminary hint at the approaching autumn. Winds remain relatively steady, keeping conditions comfortable despite the prevailing warmth. Weather in August »
Weather in September
Temperatures start to dip in September, indicating the onset of autumn in Winner. The city experiences a decline in daylight duration down to 12.5 hours on average. Meanwhile, rainfall levels continue to drop and wind speeds maintain their average pace. Weather in September »
Weather in October
By October, autumn has firmly set in Winner with declining temperatures providing a respite from the summer's heat. As typical for this season, daylight hours reduce further and cooler winds start to set in. The city witnesses a spike in rainfall volume, escalating to 1.3in over 8 days on average. Weather in October »
Weather in November
November marks the final stretch of autumn in Winner, with weather turning significantly colder and days becoming shorter. The city starts experiencing snowfall again, measuring 1.42in spread on an average of 3.9 days. Alongside, winds pick up pace with maximum gust speeds of 17.9mph (28.8km/h). Weather in November »
Weather in December
Moving into December, Winner gets enveloped in the clutches of winter yet again. Days are at their shortest, offering just 9 hours of daylight on average, with the chilly air carrying traces of snow that amount to 3.19in spread out over 8-days. Weather in December »
Updated: Aug 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
Temperature records mark January as the coldest month, with highs averaging 28.8°F (-1.8°C) and lows at 15.6°F (-9.1°C).
What is the most humid month?
January is the most humid month, with an average relative humidity of 82%.
What is the driest month?
January is the month with the least rainfall. Rain falls for 2.7 days and accumulates 0.47" (12mm) of precipitation.
How much does it rain?
Throughout the year, there are 103.9 rainfall days, and 16.85" (428mm) of precipitation is accumulated.
When does it snow?
January through May, October through December are months with snowfall.
How much does it snow?
In Winner, during the entire year, snow falls for 39.7 days and aggregates up to 14.45" (367mm) of snow.
What is the month with the least sunshine in Winner?
With an average of 4.9h of sunshine, January has the least sunshine of the year.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
What is the rainiest month?
The month with the most rainfall is June, when the rain falls for 15.3 days and typically aggregates up to 2.8" (71mm) of precipitation.
When it does not snow?
June through September are months without snowfall.
When are the longest days?
June has the longest days of the year, with an average of 15h and 24min of daylight.
What is the month with the highest UV index?
June through August, with an average maximum UV index of 6, are months with the highest UV index in Winner.
What is the hottest time of year?
July, recording an average high temperature of 88°F (31.1°C) and a low temperature of 66.7°F (19.3°C), is Winner's warmest month.
What month has the most sunshine?
With an average of 11.4h of sunshine, July has the most sunshine of the year.
What is the least humid month?
The months with the lowest humidity are August and September, with an average relative humidity of 57%.
When does it snow the most?
The month with the most snowfall is December, when snow falls for 8 days and typically aggregates up to 3.19" (81mm) of snow.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 0min of daylight.
What is the month with the lowest UV index?
With an average maximum UV index of 1, December is the month with the lowest UV index.
Average temperature
Winner, SD
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (28.8°F).
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).
Average pressure
Winner, SD
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.14"Hg - Average pressure in March:
30.04"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.91"Hg - Average pressure in June:
29.84"Hg
- Average pressure in July:
29.91"Hg - Average pressure in August:
29.91"Hg - Average pressure in September:
29.95"Hg - Average pressure in October:
29.98"Hg - Average pressure in November:
30.06"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed
Winner, SD
- Average wind speed in January:
11.1mph - Average wind speed in February:
10.6mph - Average wind speed in March:
11.2mph - Average wind speed in April:
11.9mph - Average wind speed in May:
11mph - Average wind speed in June:
10.3mph
- Average wind speed in July:
9.9mph - Average wind speed in August:
9.8mph - Average wind speed in September:
10.7mph - Average wind speed in October:
11.6mph - Average wind speed in November:
10.9mph - Average wind speed in December:
10.9mph
The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is August (9.8mph).
Average humidity
Winner, SD
The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are August and September (57%).
Average rainfall
Winner, SD
- Average rainfall in January:
0.47" - Average rainfall in February:
0.51" - Average rainfall in March:
1.22" - Average rainfall in April:
1.77" - Average rainfall in May:
2.6" - Average rainfall in June:
2.8"
- Average rainfall in July:
2.09" - Average rainfall in August:
1.46" - Average rainfall in September:
1.34" - Average rainfall in October:
1.3" - Average rainfall in November:
0.51" - Average rainfall in December:
0.79"
The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days
Winner, SD
- Average rainfall days in January:
2.7 days - Average rainfall days in February:
2.7 days - Average rainfall days in March:
7.3 days - Average rainfall days in April:
11.8 days - Average rainfall days in May:
14.3 days - Average rainfall days in June:
15.3 days
- Average rainfall days in July:
12.9 days - Average rainfall days in August:
11.8 days - Average rainfall days in September:
9.5 days - Average rainfall days in October:
8 days - Average rainfall days in November:
4.1 days - Average rainfall days in December:
3.5 days
The month with the highest number of rainy days is June (15.3 days).
The months with the least rainy days are January and February (2.7 days).
Average snowfall
Winner, SD
- Average snowfall in January:
2.64" - Average snowfall in February:
2.52" - Average snowfall in March:
2.28" - Average snowfall in April:
1.73" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is December (3.19").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Winner, SD
- Average snowfall days in January:
9.6 days - Average snowfall days in February:
8 days - Average snowfall days in March:
5.6 days - Average snowfall days in April:
2.8 days - Average snowfall days in May:
0.2 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
1.6 days - Average snowfall days in November:
3.9 days - Average snowfall days in December:
8 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Winner, SD
- Average daylight in January:
9h and 2min - Average daylight in February:
10h and 3min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 3min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 2min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 4min - Average daylight in December:
9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January:
4h and 5min - Average sunshine in February:
6h and 1min - Average sunshine in March:
7h and 1min - Average sunshine in April:
8h and 0min - Average sunshine in May:
9h and 2min - Average sunshine in June:
10h and 5min
- Average sunshine in July:
11h and 2min - Average sunshine in August:
11h and 0min - Average sunshine in September:
9h and 0min - Average sunshine in October:
7h and 0min - Average sunshine in November:
6h and 1min - Average sunshine in December:
5h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days
Winner, SD
- Average sunshine days in January:
19.7 days - Average sunshine days in February:
18.3 days - Average sunshine days in March:
17.9 days - Average sunshine days in April:
13.7 days - Average sunshine days in May:
14.5 days - Average sunshine days in June:
11.2 days
- Average sunshine days in July:
14 days - Average sunshine days in August:
15.4 days - Average sunshine days in September:
17.9 days - Average sunshine days in October:
20 days - Average sunshine days in November:
20.8 days - Average sunshine days in December:
20.2 days
The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is June (11.2 days).
Average UV index
Winner, SD
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Winner, SD
The month with the most cloud cover is January (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 20).
Average visibility
Winner, SD
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Winner, South Dakota, USA
Weather forecast for your location
1. Click Locate me button
2. Allow the app to use your location
2. Allow the app to use your location