Climate and monthly weather forecast
Wagner, SD

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The climate of Wagner

As per the data set and according to the Köppen climate classification, Wagner, South Dakota experiences a humid continental climate, marked by hot summers and no dry season. Wagner lies in the Dfa climate zone.

Through the year, Wagner's temperatures vary significantly. The temperature swings from a low of 13.6°F (-10.2°C) in January to a high of 86.5°F (30.3°C) in July. Atmospherically, the barometric pressure remains fairly stable, with monthly averages varying only minimally from a low of 29.85inHg (1010.8mbar) in June to a high of 30.16inHg (1021.3mbar) in January.

Regarding humidity, the lowest level of relative humidity is seen in September at 63% while January holds the maximum at 84%. Wagner's weather also exhibits significant variations in terms of rainfall from a high of 2.72" (69mm) in May to a low of 0.31" (8mm) in February. Additionally, snowfall is present during the winter months reaching a peak of 1.93" (49mm) in December and January.

Unique weather conditions in Wagner include the high sunshine levels in July with a monthly average of 11.1 hours a day while the lowest are in December with 4.9 hours a day. Similarly, UV Index peaks at 6 in the summer months (June, July and August) and falls to 2 in the winter months (November, December and January).

The best time to visit Wagner

Given the hot summers and the significantly cold winters in Wagner, the best time to visit would be during the spring or autumn months. The ideal months are May and October with temperature highs averaging around 68.5°F (20.3°C) and 59.7°F (15.4°C) respectively. During these months the weather conditions are moderate and enjoyable, unlikely to cause discomfort to visitors.

The worst time to visit Wagner

Owing to its geographical position, Wagner experiences harsh winters and hot summers. The month of January could be considered the least ideal time for visitation as temperatures plunge to an average low of 13.6°F (-10.2°C). In contrast, the hottest month of July exhibits average high temperatures soaring to a scorching 86.5°F (30.3°C).

Spring weather in Wagner

The spring in Wagner involves gradually increasing temperatures and rainfall. Beginning from 30.4°F (-0.9°C) in March, the temperatures ascend to 39.7°F (4.3°C) in April and a much warmer 50.4°F (10.2°C) in May. Rainfall during this period starts from 0.98" (25mm) in March and increases to 1.42" (36mm) in April and significantly to 2.72" (69mm) in May.

Summer weather in Wagner

Summers in Wagner are known for their heat, starting from 68.5°F (20.3°C) in June and peaking at 86.5°F (30.3°C) in July, then slightly dropping to 85.1°F (29.5°C) by August. Despite the intense heat, rainfall is also highest during this time with an average of 2.28" (58mm) in June, 1.73" (44mm) in July and 1.46" (37mm) in August.

Autumn weather in Wagner

During the autumn months, temperatures in Wagner cool down from an average high of 76.3°F (24.6°C) in September to 59.7°F (15.4°C) in October and further to 46.4°F (8°C) by November. Rainfall during this period gradually descends from an average of 1.02" (26mm) in September and October to 0.35" (9mm) in November.

Winter weather in Wagner

Wagner's winter is stark, with temperatures falling to an average high of 30.4°F (-0.9°C) in December and an average low dipping to 13.6°F (-10.2°C) in January. The temperature rises slightly to 16.9°F (-8.4°C) in February. Rain is sparse, with averages of only 0.59" (15mm) in December and 0.31" (8mm) in February. Additionally, substantial snowfall is witnessed during these months, providing for some picturesque landscapes.

Weather in January

January ushers in the new year with icy temperatures for residents of Wagner, South Dakota. The cold weather is marked by frosty mornings as temperatures plummet. A significant level of humidity during this time, often results in mists or fog. Weather in January »

Weather in February

As Winter persists in Wagner, the coldest days are left behind as February arrives, bringing slightly warmer conditions than January. Residents, however, continue to brace for frosty temperatures, especially during the evenings and nights. Weather in February »

Weather in March

March transitions Wagner from rigid winter into the onset of Spring. Warmer temperatures are on the horizon, and the snow starts to slacken, giving way to a landscape in thaw. The daylight hours increase, adding brightness to the city's environs. Weather in March »

Weather in April

April reinforces the Spring weather in Wagner, with noticeable warmer days compared to March. Light rain showers and a boost in sunlight manifest the typical signs of the season. Nature seems to awaken from its winter sleep with blooming flora around the city. Weather in April »

Weather in May

May is when the full-blown Spring weather embraces Wagner, allowing more markedly warmer days. Nature is in full bloom, making it an ideal time for outdoor activities and sightseeing. May showers are frequent, offering a reprieve from the raising temperatures. Weather in May »

Weather in June

June heralds the onset of Summer in Wagner, bringing with it longer days and warmer temperatures. Sunshine in abundance and a decrease in rainfall, make this the perfect time for outdoor activities. The city is lively with people enjoying the pleasant summer weather and local events. Weather in June »

Weather in July

July is the heart of Summer in Wagner with consistently high temperatures and the most sunshine hours of the whole year. The city experiences a decrease in rainfall, making it one of the driest months of the year. Outdoor activities are perhaps most enjoyable now, given the extended daylight and warm days. Weather in July »

Weather in August

Summer continues in August with somewhat similar temperatures compared to July. It is a sunny month, with long days filled with plentiful light. The weather is conducive for excursions and other outdoor activities, as the city basks in the warmth. Weather in August »

Weather in September

September signals the arrival of Fall and witnesses a progressive decrease in temperatures. The leaves turning their shades, coupled with the enhanced cloud cover, lend it an essence of an emerging autumn landscape. Shorter days and longer nights start becoming more apparent and humidity levels drop to around 63%. Weather in September »

Weather in October

October immerses Wagner in the full Fall spirit, with declining temperatures and an increase in rainfall. Autumnal hues of falling leaves paint the city in beautiful yellow and red tones. This month witnesses a gradual drop in temperatures, setting the stage for the upcoming Winter season. Weather in October »

Weather in November

November is a precursor to winter in Wagner, South Dakota. The weather continues to get colder, and the first signs of winter start to appear. Rainfall reduces compared to the previous month, bringing drier days. There is also a steady reduction of sunlight hours as the days shorten and nights lengthen. Weather in November »

Weather in December

December welcomes the biting Winter with cold winds and snowfall. The weather cools considerably compared to November. Residents frequently seek the comfort of indoor heating due to the cold temperatures. Snow starts covering the city, creating a picturesque winter wonderland setting. Weather in December »
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Frequently asked questions

What is the coldest month in Wagner?

The month of January sees the average lowest temperatures in Wagner, South Dakota, reaching 27.3°F (-2.6°C) at the peak and 13.6°F (-10.2°C) at the low.

What is the most humid month in Wagner?

The most humid month in Wagner is January, with an average relative humidity of 84%.

How much does it rain in Wagner?

Throughout the year, in Wagner, South Dakota, there are 104.1 rainfall days, and 14.29" (363mm) of precipitation is accumulated.

When does it snow in Wagner?

Months with snowfall are January through April, October through December.

When does it snow the most in Wagner?

The months with the most snowfall in Wagner, South Dakota, are January and March, with an average 1.93" (49mm) of accumulated snow.

How much does it snow in Wagner?

In Wagner, during the entire year, snow falls for 32.8 days and aggregates up to 8.35" (212mm) of snow.

What is the month with the least sunshine in Wagner?

The month with the least sunshine in Wagner is January, with an average of 4.7h of sunshine.

What are the months with the lowest UV index in Wagner?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.

What is the driest month in Wagner?

The month with the least rainfall in Wagner, South Dakota, is February, when the rain falls for 3.6 days and typically collects 0.31" (8mm) of precipitation.

When is Daylight Saving Time (DST) in Wagner?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Wagner, 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 in Wagner?

The month with the most rainfall in Wagner is May, when the rain falls for 15.3 days and typically aggregates up to 2.72" (69mm) of precipitation.

When it does not snow in Wagner?

May through September are months without snowfall in Wagner.

When are the longest days in Wagner?

June has the longest days of the year, with an average of 15h and 18min of daylight.

When is the highest UV index in Wagner?

The months with the highest UV index in Wagner are June through August, with an average maximum UV index of 6.

What month is the hottest in Wagner?

With average temperatures fluctuating between a high of 86.5°F (30.3°C) and a low of 65.7°F (18.7°C), July stands out as the warmest month in Wagner.

What month has the most sunshine in Wagner?

July has the most sunshine of the year in Wagner, with an average of 11.1h of sunshine.

What is the least humid month in Wagner?

October is the least humid month in Wagner, South Dakota, with an average relative humidity of 62%.

What is the month with the shortest days in Wagner?

With an average of 9h and 6min of daylight, December has the shortest days of the year in Wagner.

Average temperature
Wagner, SD

Average temperature - Wagner, SD

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (27.3°F).

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).

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Average pressure
Wagner, SD

Average pressure - Wagner, SD

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed
Wagner, SD

Average wind speed - Wagner, SD

The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (8.3mph).

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Average rainfall
Wagner, SD

Average rainfall - Wagner, SD

The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is February (0.31").

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Average rainfall days
Wagner, SD

Average rainfall days - Wagner, SD

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (2.9 days).

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Average snowfall
Wagner, SD

Average snowfall - Wagner, SD

The months with the highest snowfall are January and March (1.93").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days
Wagner, SD

Average snowfall days - Wagner, SD

The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight / Average sunshine
Wagner, SD

Average daylight / Average sunshine - Wagner, SD

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

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Average sunshine days
Wagner, SD

Average sunshine days - Wagner, SD

The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is June (12.3 days).

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Average UV index
Wagner, SD

Average UV index - Wagner, SD

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average visibility
Wagner, SD

Average visibility - Wagner, 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).

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Wagner, South Dakota, USA

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