Climate and monthly weather forecast
Vivian, SD

Weather in January

January, the same as December, in Vivian, South Dakota, is another subzero cold winter month, with an average temperature fluctuating between 12.6°F (-10.8°C) and 26.2°F (-3.2°C). January is the coldest month, with an average high-temperature of 26.2°F (-3.2°C) and an average low-temperature of 12.6°F (-10.8°C). Weather in January »

Weather in February

February, the last month of the winter in Vivian, is another freezing cold month, with an average temperature varying between 15.3°F (-9.3°C) and 28.8°F (-1.8°C). In Vivian, the average high-temperature in February is essentially the same as in January - a still subzero cold 28.8°F (-1.8°C). Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in Vivian, South Dakota, with an average temperature varying between 28.8°F (-1.8°C) and 44.1°F (6.7°C). In Vivian, the average high-temperature in March increases considerably from a subzero cold 28.8°F (-1.8°C) in February to a frosty 44.1°F (6.7°C). Weather in March »

Weather in April

April in Vivian, South Dakota, is a mild spring month, with an average temperature fluctuating between 56.1°F (13.4°C) and 38.5°F (3.6°C). In Vivian, the average high-temperature in April increases from a frosty 44.1°F (6.7°C) in March to a mild 56.1°F (13.4°C). Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Vivian, South Dakota, with an average temperature varying between 49.6°F (9.8°C) and 68°F (20°C). In Vivian, the average high-temperature in May rises from a moderate 56.1°F (13.4°C) in April to an agreeable 68°F (20°C). Weather in May »

Weather in June

June, the first month of the summer in Vivian, is a moderately hot month, with an average temperature varying between 80.6°F (27°C) and 61°F (16.1°C). In Vivian, the average high-temperature in June rises from a pleasant 68°F (20°C) in May to a warm 80.6°F (27°C). Weather in June »

Weather in July

July in Vivian, South Dakota, is a hot summer month, with an average temperature ranging between max 88.7°F (31.5°C) and min 67.5°F (19.7°C). July is the warmest month, with an average high-temperature of 88.7°F (31.5°C) and an average low-temperature of 67.5°F (19.7°C). The average heat index in July is estimated at a tropical 93.2°F (34°C). Weather in July »

Weather in August

August, the last month of the summer in Vivian, is another hot month, with temperature in the range of an average high of 86°F (30°C) and an average low of 65.5°F (18.6°C). In Vivian, the average high-temperature in August is almost the same as in July - a still hot 86°F (30°C). Weather in August »

Weather in September

September, the first month of the autumn in Vivian, is also a moderately hot month, with an average temperature varying between 57.4°F (14.1°C) and 76.8°F (24.9°C). In Vivian, the average high-temperature in September drops from a hot 86°F (30°C) in August to a warm 76.8°F (24.9°C). Weather in September »

Weather in October

October, the same as September, in Vivian, South Dakota, is a moderate autumn month, with an average temperature ranging between max 58.5°F (14.7°C) and min 42.8°F (6°C). In October, the average high-temperature declines considerably from a moderately hot 76.8°F (24.9°C) in September to a mild 58.5°F (14.7°C). Weather in October »

Weather in November

November, the last month of the autumn in Vivian, is also a frosty month, with an average temperature varying between 44.2°F (6.8°C) and 29.5°F (-1.4°C). In Vivian, the average high-temperature in November decreases from a moderate 58.5°F (14.7°C) in October to a frosty 44.2°F (6.8°C). Weather in November »

Weather in December

The first month of the winter, December, is also a subzero cold month in Vivian, South Dakota, with an average temperature varying between 28.2°F (-2.1°C) and 16.3°F (-8.7°C). In December, the average high-temperature declines considerably from a frosty 44.2°F (6.8°C) in November to a subzero cold 28.2°F (-2.1°C). Weather in December »
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FAQ

What is the coldest month in Vivian?

The coldest month in Vivian, South Dakota, is January, with an average high-temperature of 26.2°F (-3.2°C) and an average low-temperature of 12.6°F (-10.8°C).

What is the most humid month in Vivian?

With an average relative humidity of 85%, January is the most humid month.

What is the driest month in Vivian?

January is the month with the least rainfall in Vivian, South Dakota. Rain falls for 2.7 days and accumulates 0.35" (9mm) of precipitation.

How many days does it rain in Vivian?

In Vivian, South Dakota, during the entire year, the rain falls for 98.5 days and collects up to 13.7" (348mm) of precipitation.

When does it snow in Vivian?

Months with snowfall in Vivian are January through May, October through December.

How many days does it snow in Vivian?

Throughout the year, there are 41.4 snowfall days, and 13.07" (332mm) of snow is accumulated.

What is the month with the least sunshine in Vivian?

The month with the least sunshine is January, with an average of 4.6h of sunshine.

What is the snowiest month in Vivian?

February is the month with the most snowfall in Vivian, South Dakota. Snow falls for 10 days and accumulates 3.66" (93mm) of snow.

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

The months with the lowest UV index in Vivian are February and December, with an average maximum UV index of 1.

When is Daylight Saving Time (DST) in Vivian?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts in Vivian, South Dakota, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from CDT to CST.

What is the rainiest month in Vivian?

The month with the most rainfall in Vivian is May, when the rain falls for 13.6 days and typically aggregates up to 2.24" (57mm) of precipitation.

When it does not snow in Vivian?

June through September are months without snowfall in Vivian.

When are the longest days in Vivian?

The month with the longest days is June, with an average of 15h and 25min of daylight.

What is the warmest month in Vivian?

With an average high-temperature of 88.7°F (31.5°C) and an average low-temperature of 67.5°F (19.7°C), July is the warmest month in Vivian, South Dakota.

What month has the most sunshine in Vivian?

July has the most sunshine of the year in Vivian, with an average of 11.5h of sunshine.

When is the highest UV index in Vivian?

July is the month with the highest UV index in Vivian, South Dakota, with an average maximum UV index of 7.

What are the least humid months in Vivian?

The months with the lowest humidity in Vivian, South Dakota, are August and September, with an average relative humidity of 52%.

What is the month with the shortest days in Vivian?

December has the shortest days of the year in Vivian, South Dakota, with an average of 8h and 58min of daylight.

Average temperature
Vivian, SD

Average temperature - Vivian, SD

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (26.2°F).

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).

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Average pressure
Vivian, SD

Average pressure - Vivian, SD

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

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Average wind speed
Vivian, SD

Average wind speed - Vivian, SD

The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest months (with the lowest average wind speed) are February and August (9.9mph).

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Average humidity
Vivian, SD

Average humidity - Vivian, SD

The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are August and September (52%).

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Average rainfall
Vivian, SD

Average rainfall - Vivian, SD

The wettest month (with the highest rainfall) is May (2.24").
The driest month (with the least rainfall) is January (0.35").

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Average rainfall days
Vivian, SD

Average rainfall days - Vivian, SD

The month with the highest number of rainy days is June (14.2 days).
The month with the least rainy days is February (2.4 days).

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Average snowfall
Vivian, SD

Average snowfall - Vivian, SD

The month with the highest snowfall is February (3.66").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Vivian, SD

Average snowfall days - Vivian, SD

The month with the highest number of snowfall days is February (10 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Vivian, SD

Average daylight / Average sunshine - Vivian, SD

The month with the longest days is June (Average daylight: 15h and 25min).
The month with the shortest days is December (Average daylight: 8h and 58min).

The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

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Average sunshine days
Vivian, SD

Average sunshine days - Vivian, SD

The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is June (13.7 days).

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Average visibility
Vivian, SD

Average visibility - Vivian, 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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