July weather forecast
Clark, SD

Weather in July

July, the same as June, is a moderately hot summer month in Clark, South Dakota, with average temperature fluctuating between 80.8°F (27.1°C) and 60.8°F (16°C).

Temperature

The warmest month is July, with an average high-temperature of 80.8°F (27.1°C) and an average low-temperature of 60.8°F (16°C).

Heat index

In July, the average heat index is calculated to be 84.7°F (29.3°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'feels like', 'real feel', or 'felt air temperature', is a measure of how hot it feels when the actual air humidity is factored in. Additional factors like pregnancy, metabolic differences, differences in body mass, height, and shape, and activity influence one's weather impression. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In July, the average relative humidity is 73%.

Rainfall

In July, the rain falls for 14.3 days. Throughout July, 2.91" (74mm) of precipitation is accumulated. In Clark, South Dakota, during the entire year, the rain falls for 112.3 days and collects up to 18.78" (477mm) of precipitation.

Snowfall

In Clark snow does not fall in June through September.

Daylight

In Clark, the average length of the day is 15.2h.

Sunshine

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

UV index

June and July, with an average maximum UV index of 6, are months with the highest UV index in Clark. A UV Index reading of 6 to 7 represents a high health vulnerability from the exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 6 in July interpret into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the warmest month in Clark?

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

What is the temperature in July in Clark?

In Clark, in July, the average high-temperature is 80.8°F (27.1°C), and the average low-temperature is 60.8°F (16°C). In July, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 84.7°F (29.3°C).

What is the average humidity in July in Clark?

In July, the average relative humidity is 73%.

How much does it rain in Clark in July?

In Clark, South Dakota, in July, it is raining for 14.3 days, with typically 2.91" (74mm) of accumulated precipitation.

When it does not snow in Clark?

June through September are months without snowfall in Clark, South Dakota.

How many hours of daylight does Clark have in July?

The average length of the day in July in Clark, South Dakota, is 15.2h.

What month has the most sunshine in Clark?

With an average of 10.7h of sunshine, July has the most sunshine of the year in Clark, South Dakota.

How many hours of sunshine does Clark have in July?

In July, the average sunshine in Clark, South Dakota, is 10.7h.

What are the months with the highest UV index in Clark?

Months with the highest UV index in Clark are June and July, with an average maximum UV index of 6.

What is the UV index reading in July in Clark?

The average daily maximum UV index in July is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to the UV radiation.

Average temperature in July
Clark, SD

Average temperature in July - Clark, SD
  • Average high temperature in July: 80.8°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (19.4°F).

  • Average low temperature in July: 60.8°F

The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (5.5°F).

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Average pressure in July
Clark, SD

Average pressure in July - Clark, SD
  • Average pressure in July: 29.92"

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

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Average wind speed in July
Clark, SD

Average wind speed in July - Clark, SD
  • Average wind speed in July: 8.5mph

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 in July
Clark, SD

Average humidity in July - Clark, SD
  • Average humidity in July: 73%

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

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Average rainfall in July
Clark, SD

Average rainfall in July - Clark, SD
  • Average rainfall in July: 2.91"

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 in July
Clark, SD

Average rainfall days in July - Clark, SD
  • Average rainfall days in July: 14.3 days

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 in July
Clark, SD

Average snowfall in July - Clark, SD
  • Average snowfall in July: 0"

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

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Average snowfall days in July
Clark, SD

Average snowfall days in July - Clark, SD
  • Average snowfall days in July: 0 days

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

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Average daylight in July /
Average sunshine in July
Clark, SD

Average daylight in July / Average sunshine in July - Clark, SD
  • Average daylight in July: 15.2h

The month with the longest days is June (Average daylight: 15.5h).
The month with the shortest days is December (Average daylight: 8.8h).

  • Average sunshine in July: 10.7h

The month with the most sunshine is July (Average sunshine: 10.7h).
The month with the least sunshine is January (Average sunshine: 3.6h).

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Average sunshine days in July
Clark, SD

Average sunshine days in July - Clark, SD
  • Average sunshine days in July: 13.8 days

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 UV index in July
Clark, SD

Average UV index in July - Clark, SD
  • Average UV index in July: 6

Months with the highest UV index are June and July (UV index 6).
Months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in July
Clark, SD

Average cloud cover in July - Clark, SD
  • Average cloud cover in July: 28

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in July
Clark, SD

Average visibility in July - Clark, SD
  • Average visibility in July: 6mi

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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