Climate and monthly weather forecast
Clark, SD

Weather in January

January, the same as December, in Clark, South Dakota, is another subzero cold winter month, with an average temperature varying between 19.4°F (-7°C) and 5.5°F (-14.7°C). The coldest month is January, with an average high-temperature of 19.4°F (-7°C) and an average low-temperature of 5.5°F (-14.7°C). Weather in January »

Weather in February

February, the last month of the winter in Clark, is another freezing cold month, with temperature in the range of an average low of 8.4°F (-13.1°C) and an average high of 22.5°F (-5.3°C). In Clark, the average high-temperature in February is relatively the same as in January - a still subzero cold 22.5°F (-5.3°C). Weather in February »

Weather in March

March, the first month of the spring in Clark, is a wintry month, with an average temperature ranging between min 23.7°F (-4.6°C) and max 38.1°F (3.4°C). In March, the average high-temperature soars, from a subzero cold 22.5°F (-5.3°C) in February, to a cold 38.1°F (3.4°C). Weather in March »

Weather in April

April is a cool spring month in Clark, South Dakota, with an average temperature varying between 35.2°F (1.8°C) and 51.6°F (10.9°C). In April, the average high-temperature increases from a cold 38.1°F (3.4°C) in March to a cool 51.6°F (10.9°C). Weather in April »

Weather in May

May, the last month of the spring in Clark, is an enjoyable month, with an average temperature ranging between max 64.6°F (18.1°C) and min 46.9°F (8.3°C). In May, the average high-temperature increases from a cool 51.6°F (10.9°C) in April to an enjoyable 64.6°F (18.1°C). Weather in May »

Weather in June

June, the first month of the summer in Clark, is a warm month, with an average temperature ranging between min 56.8°F (13.8°C) and max 74.5°F (23.6°C). In June, the average high-temperature rises from an enjoyable 64.6°F (18.1°C) in May to a warm 74.5°F (23.6°C). Weather in June »

Weather in July

July, like June, in Clark, South Dakota, is a moderately hot summer month, with temperature in the range of an average low of 60.8°F (16°C) and an average high of 80.8°F (27.1°C). July is the warmest month, with an average high-temperature of 80.8°F (27.1°C) and an average low-temperature of 60.8°F (16°C). The average heat index in July is computed to be 84.2°F (29°C). Weather in July »

Weather in August

August, the last month of the summer in Clark, is also a moderately hot month, with an average temperature ranging between min 59°F (15°C) and max 80.1°F (26.7°C). In August, the average high-temperature is relatively the same as in July - a still moderately hot 80.1°F (26.7°C). Weather in August »

Weather in September

September, the first month of the autumn in Clark, is still a pleasant month, with temperature in the range of an average high of 71.6°F (22°C) and an average low of 51.3°F (10.7°C). In September, the average high-temperature marginally drops from a warm 80.1°F (26.7°C) in August to a pleasant 71.6°F (22°C). Weather in September »

Weather in October

October, like September, in Clark, South Dakota, is a cool autumn month, with an average temperature fluctuating between 54.3°F (12.4°C) and 39°F (3.9°C). In October, the average high-temperature declines considerably from a pleasant 71.6°F (22°C) in September to a cool 54.3°F (12.4°C). Weather in October »

Weather in November

November, the last month of the autumn in Clark, is another cold month, with temperature in the range of an average low of 26.4°F (-3.1°C) and an average high of 40.1°F (4.5°C). In Clark, the average high-temperature in November decreases from a cool 54.3°F (12.4°C) in October to a wintry 40.1°F (4.5°C). Weather in November »

Weather in December

The first month of the winter, December, is still a freezing cold month in Clark, South Dakota, with an average temperature ranging between min 12.4°F (-10.9°C) and max 23.7°F (-4.6°C). In December, the average high-temperature plummets from a cold 40.1°F (4.5°C) in November to a subzero cold 23.7°F (-4.6°C). Weather in December »
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FAQ

What is the coldest month in Clark?

With an average high-temperature of 19.4°F (-7°C) and an average low-temperature of 5.5°F (-14.7°C), January is the coldest month in Clark, South Dakota.

What is the most humid month in Clark?

With an average relative humidity of 90%, January is the most humid month.

What is the driest month in Clark?

The months with the least rainfall are January and February Rain falls for 2.9 days and accumulates 0.59" (15mm) of rain.

How much does it rain in Clark?

Throughout the year, there are 112.3 rainfall days, and 18.78" (477mm) of precipitation is accumulated.

When does it snow in Clark?

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

What is the snowiest month in Clark?

The months with the most snowfall in Clark, South Dakota, are January and December, with an average 3.74" (95mm) of accumulated snow.

How many days does it snow in Clark?

Throughout the year, in Clark, there are 64.3 snowfall days, and 17.56" (446mm) of snow is accumulated.

What is the month with the least sunshine in Clark?

January has the least sunshine of the year in Clark, with an average of 3.6h of sunshine.

When is the lowest UV index in Clark?

January and December, with an average maximum UV index of 1, are months with the lowest UV index.

When is Daylight Saving Time (DST) in Clark?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts in Clark, 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 wettest month in Clark?

June is the month with the most rainfall. Rain falls for 17.2 days and accumulates 3.19" (81mm) of precipitation.

When it does not snow in Clark?

In Clark, South Dakota, snow does not fall in June through September.

When are the longest days in Clark?

The month with the longest days is June, with an average of 15h and 32min of daylight.

When is the highest UV index in Clark?

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

What is the warmest month in Clark?

With an average high-temperature of 80.8°F (27.1°C) and an average low-temperature of 60.8°F (16°C), July is the warmest month in Clark.

What month has the most sunshine in Clark?

The month with the most sunshine in Clark is July, with an average of 10.7h of sunshine.

What is the least humid month in Clark?

The months with the lowest humidity are September and October, with an average relative humidity of 68%.

What is the month with the shortest days in Clark?

The month with the shortest days in Clark, South Dakota, is December, with an average of 8h and 51min of daylight.

Average pressure
Clark, SD

Average pressure - Clark, SD

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

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Average wind speed
Clark, SD

Average wind speed - Clark, SD

The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest month (with the lowest average wind speed) is July (8.5mph).

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Average humidity
Clark, SD

Average humidity - Clark, SD

The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are September and October (68%).

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Average rainfall
Clark, SD

Average rainfall - Clark, SD

The wettest month (with the highest rainfall) is June (3.19").
The driest months (with the least rainfall) are January and February (0.59").

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Average rainfall days
Clark, SD

Average rainfall days - Clark, SD

The month with the highest number of rainy days is June (17.2 days).
The month with the least rainy days is February (2.7 days).

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Average snowfall
Clark, SD

Average snowfall - Clark, SD

The months with the highest snowfall are January and December (3.74").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Clark, SD

Average snowfall days - Clark, SD

The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight / Average sunshine
Clark, SD

Average daylight / Average sunshine - Clark, SD

The month with the longest days is June (Average daylight: 15h and 32min).
The month with the shortest days is December (Average daylight: 8h and 51min).

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

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Average sunshine days
Clark, SD

Average sunshine days - Clark, SD

The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is June (10.3 days).

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Average visibility
Clark, SD

Average visibility - Clark, 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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