July weather forecast and climate
Pierre, SD

The Capitol Dome building in Pierre, South Dakota, set in a beautiful tree park
The Capitol Dome building in Pierre, South Dakota, set in a beautiful tree park

Weather in July

July is a hot summer month in Pierre, South Dakota, with average temperature varying between 67.5°F (19.7°C) and 88.7°F (31.5°C).

Temperature

The warmest month is July, with an average high-temperature of 88.7°F (31.5°C) and an average low-temperature of 67.5°F (19.7°C).

Heat index

The average heat index in July is evaluated at a hot 93.4°F (34.1°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'feels like', 'real feel', or 'apparent temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (pregnancy, clothing, differences in body mass, height, and shape). Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. 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 Pierre, the average relative humidity is 53%.

Rainfall

In Pierre, South Dakota, in July, it is raining for 12.3 days, with typically 1.93" (49mm) of accumulated precipitation. In Pierre, South Dakota, during the entire year, the rain falls for 98.5 days and collects up to 13.7" (348mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in July is 15.1h.

Sunshine

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

UV index

The month with the highest UV index in Pierre, South Dakota, is July, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health hazard from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 7 in July transform into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. 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 Pierre?

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 Pierre, South Dakota.

What is the temperature in July in Pierre?

In Pierre, in July, the average high-temperature is 88.7°F (31.5°C), and the average low-temperature is 67.5°F (19.7°C). In July, the average heat index (a.k.a. 'feels like', 'felt air temperature'), that represents influence of the relative humidity to air temperaure, is evaluated at 93.4°F (34.1°C).

What is the average humidity in July in Pierre?

In Pierre, South Dakota, the average relative humidity in July is 53%.

How many days does it rain in July in Pierre?

In Pierre, in July, it is raining for 12.3 days, with typically 1.93" (49mm) of accumulated precipitation.

When it does not snow in Pierre?

In Pierre snow does not fall in June through September.

How many hours of daylight does Pierre have in July?

The average length of the day in July is 15.1h.

What month has the most sunshine in Pierre?

July has the most sunshine of the year in Pierre, South Dakota, with an average of 11.5h of sunshine.

How many hours of sunshine does Pierre have in July?

In July, the average sunshine in Pierre is 11.5h.

What is the month with the highest UV index in Pierre?

With an average maximum UV index of 7, July is the month with the highest UV index in Pierre.

What is the UV index reading in July in Pierre?

In Pierre, the average daily maximum UV index in July is 7. A UV Index value of 6 to 7 symbolizes a high hazard to health from the exposure to the Sun's UV rays.

Average temperature in July
Pierre, SD

Average temperature in July - Pierre, SD
  • Average high temperature in July: 88.7°F

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).

  • Average low temperature in July: 67.5°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 in July
Pierre, SD

Average pressure in July - Pierre, SD
  • Average pressure in July: 29.9"

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

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Average wind speed in July
Pierre, SD

Average wind speed in July - Pierre, SD
  • Average wind speed in July: 10mph

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 in July
Pierre, SD

Average humidity in July - Pierre, SD
  • Average humidity in July: 53%

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

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Average rainfall in July
Pierre, SD

Average rainfall in July - Pierre, SD
  • Average rainfall in July: 1.93"

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 in July
Pierre, SD

Average rainfall days in July - Pierre, SD
  • Average rainfall days in July: 12.3 days

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 in July
Pierre, SD

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

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

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Average snowfall days in July
Pierre, SD

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

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

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

Average daylight in July / Average sunshine in July - Pierre, SD
  • Average daylight in July: 15.1h

The month with the longest days is June (Average daylight: 15.5h).
The month with the shortest days is December (Average daylight: 8.9h).

  • Average sunshine in July: 11.5h

The month with the most sunshine is July (Average sunshine: 11.5h).
The month with the least sunshine is January (Average sunshine: 4.6h).

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Average sunshine days in July
Pierre, SD

Average sunshine days in July - Pierre, SD
  • Average sunshine days in July: 15.1 days

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 UV index in July
Pierre, SD

Average UV index in July - Pierre, SD
  • Average UV index in July: 7

The month with the highest UV index is July (UV index 7).
Months with the lowest UV index are February and December (UV index 1).

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Average cloud cover in July
Pierre, SD

Average cloud cover in July - Pierre, SD
  • Average cloud cover in July: 19

The month with the most cloud cover is January (Cloud cover 50).
Months with the least cloud cover are July and August (Cloud cover 19).

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Average visibility in July
Pierre, SD

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

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

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