Climate and monthly weather forecast
Sherman, SD

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Weather in January

January, the same as December, in Sherman, South Dakota, is a freezing cold winter month, with temperature in the range of an average high of 22.3°F (-5.4°C) and an average low of 8.2°F (-13.2°C). The coldest period tends to be January, when average temperatures fluctuate between a high of 22.3°F (-5.4°C) and a low of 8.2°F (-13.2°C). Weather in January »

Weather in February

February, the last month of the winter in Sherman, is another freezing cold month, with temperature in the range of an average low of 11.8°F (-11.2°C) and an average high of 25.9°F (-3.4°C). The introduction of February sees an average high-temperature of a still freezing cold 25.9°F (-3.4°C), hardly deviating from January. Weather in February »

Weather in March

The first month of the spring, March, is a wintry month in Sherman, South Dakota, with temperature in the range of an average high of 41.5°F (5.3°C) and an average low of 27°F (-2.8°C). March is marked by a distinct increase in the average high-temperature, climbing from a freezing cold 25.9°F (-3.4°C) in February to a cold 41.5°F (5.3°C). Weather in March »

Weather in April

April in Sherman, South Dakota, is a fresh spring month, with an average temperature varying between 54.5°F (12.5°C) and 37.9°F (3.3°C). April sees a rise in the average high-temperature, climbing from a wintry 41.5°F (5.3°C) in March to a cool 54.5°F (12.5°C). Weather in April »

Weather in May

The last month of the spring, May, is a comfortable month in Sherman, South Dakota, with an average temperature fluctuating between 66.7°F (19.3°C) and 48.9°F (9.4°C). Sherman in May sees a temperature change, with average high-temperatures moving from a cool 54.5°F (12.5°C) in April to a comfortable 66.7°F (19.3°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Sherman, South Dakota, with an average temperature varying between 76.6°F (24.8°C) and 59.4°F (15.2°C). June's arrival signals a temperature shift, moving from a comfortable 66.7°F (19.3°C) in May to a warm 76.6°F (24.8°C). Weather in June »

Weather in July

July, like June, in Sherman, South Dakota, is another warm summer month, with an average temperature ranging between min 62.2°F (16.8°C) and max 81.9°F (27.7°C). With average temperatures fluctuating between a high of 81.9°F (27.7°C) and a low of 62.2°F (16.8°C), July stands out as the warmest month. The average heat index in July is calculated to be a hot 87.8°F (31°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Sherman, South Dakota, with an average temperature varying between 59.4°F (15.2°C) and 80.6°F (27°C). The advent of August brings an average high-temperature of a still moderately hot 80.6°F (27°C), exhibiting minor difference from the previous month. Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Sherman, South Dakota, with temperature in the range of an average high of 73.2°F (22.9°C) and an average low of 52.9°F (11.6°C). In Sherman, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's moderately hot 80.6°F (27°C) to an agreeable 73.2°F (22.9°C). Weather in September »

Weather in October

October, the same as September, in Sherman, South Dakota, is a moderate autumn month, with an average temperature varying between 40.8°F (4.9°C) and 56.3°F (13.5°C). October brings with it a considerable temperature decrease, with average high-temperatures dropping from September's agreeable 73.2°F (22.9°C) to a refreshing 56.3°F (13.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is another cold month in Sherman, South Dakota, with temperature in the range of an average high of 42.3°F (5.7°C) and an average low of 28°F (-2.2°C). A subtle decrease in the average high-temperature marks November, falling from October's moderate 56.3°F (13.5°C) to a cold 42.3°F (5.7°C). Weather in November »

Weather in December

The first month of the winter, December, is still a freezing cold month in Sherman, South Dakota, with an average temperature fluctuating between 14.9°F (-9.5°C) and 26.4°F (-3.1°C). The transition from November to December brings a clear temperature drop, with average high-temperatures decreasing from an icy 42.3°F (5.7°C) to a freezing cold 26.4°F (-3.1°C). Weather in December »
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Frequently asked questions

What month is the coldest in Sherman?

Sherman witnesses the coldest weather in January, with temperatures averaging a high of 22.3°F (-5.4°C) and a low of 8.2°F (-13.2°C).

What is the most humid month in Sherman?

With an average relative humidity of 89%, January is the most humid month.

What is the driest month in Sherman?

The month with the least rainfall in Sherman is January, when the rain falls for 3.3 days and typically collects 0.63" (16mm) of precipitation.

How many days does it rain in Sherman?

Throughout the year, in Sherman, there are 116.4 rainfall days, and 21.38" (543mm) of precipitation is accumulated.

When does it snow in Sherman?

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

How much does it snow in Sherman?

In Sherman, South Dakota, during the entire year, snow falls for 45.6 days and aggregates up to 19.49" (495mm) of snow.

What is the month with the least sunshine in Sherman?

The month with the least sunshine in Sherman, South Dakota, is January, with an average of 4h of sunshine.

When is the lowest UV index in Sherman?

The months with the lowest UV index in Sherman, South Dakota, are January and December, with an average maximum UV index of 1.

When does it snow the most in Sherman?

The month with the most snowfall in Sherman, South Dakota, is February, when snow falls for 8.2 days and typically aggregates up to 4.29" (109mm) of snow.

When is Daylight Saving Time (DST) in Sherman?

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 wettest month in Sherman?

The month with the most rainfall in Sherman is June, when the rain falls for 17.4 days and typically aggregates up to 3.27" (83mm) of precipitation.

When it does not snow in Sherman?

In Sherman, snow does not fall in June through September.

When are the longest days in Sherman?

With an average of 15h and 24min of daylight, June has the longest days of the year in Sherman.

When is the highest UV index in Sherman?

June and July, with an average maximum UV index of 6, are months with the highest UV index in Sherman, South Dakota.

What part of the year is the hottest in Sherman?

July, with average temperatures reaching a high of 81.9°F (27.7°C) and a low of 62.2°F (16.8°C), is the warmest month.

What month has the most sunshine in Sherman?

July has the most sunshine of the year, with an average of 10.7h of sunshine.

What is the least humid month in Sherman?

With an average relative humidity of 67%, October is the least humid month.

What is the month with the shortest days in Sherman?

The month with the shortest days in Sherman, South Dakota, is December, with an average of 9h and 0min of daylight.

Average temperature
Sherman, SD

Average temperature - Sherman, SD

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (22.3°F).

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (8.2°F).

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Average pressure
Sherman, SD

Average pressure - Sherman, SD

The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

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Average wind speed
Sherman, SD

Average wind speed - Sherman, SD

The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is July (8.2mph).

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Average rainfall
Sherman, SD

Average rainfall - Sherman, SD

The wettest month (with the highest rainfall) is June (3.27").
The driest month (with the least rainfall) is January (0.63").

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Average rainfall days
Sherman, SD

Average rainfall days - Sherman, SD

The month with the highest number of rainy days is June (17.4 days).
The month with the least rainy days is February (2.8 days).

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Average snowfall
Sherman, SD

Average snowfall - Sherman, SD

The month with the highest snowfall is February (4.29").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Sherman, SD

Average snowfall days - Sherman, SD

The month with the highest number of snowfall days is December (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Sherman, SD

Average daylight / Average sunshine - Sherman, SD

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).

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

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Average sunshine days
Sherman, SD

Average sunshine days - Sherman, SD

The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is June (10.6 days).

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Average visibility
Sherman, SD

Average visibility - Sherman, SD

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

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Sherman, South Dakota, USA

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