July weather forecast
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 an average temperature varying between 67.5°F (19.7°C) and 88.7°F (31.5°C).

Temperature

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).

Heat index

The average heat index in July is appraised at a hot 93.2°F (34°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
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 'felt air temperature', 'feels like', 'apparent temperature', or 'real feel', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. This effect is individual, with diverse people perceiving weather differently for numerous reasons (wind, clothing, differences in body mass, height, and shape), and activity. 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 particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In July, the average relative humidity is 53%.

Rainfall

In Pierre, during July, the rain falls for 12.3 days and regularly aggregates up to 1.93" (49mm) of precipitation. Throughout the year, there are 98.5 rainfall days, and 13.7" (348mm) of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in July is 15h and 8min.
On the first day of July in Pierre, sunrise is at 6:01 am and sunset at 9:29 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 9:08 pm CDT.

Sunshine

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

UV index

July is the month with the highest UV index, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the average person.
Note: In July, the average maximum UV index of 7 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. 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. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the warmest month in Pierre?

July 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).

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). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in July is appraised at 93.2°F (34°C).

What is the average humidity in July in Pierre?

The average relative humidity in July in Pierre is 53%.

How much does it rain in Pierre in July?

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

How many hours of daylight does Pierre have in July?

In July, the average day length is 15h and 8min.

When is the sunrise / sunset in July in Pierre?

On the first day of July, sunrise is at 6:01 am and sunset at 9:29 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 9:08 pm CDT.

What month has the most sunshine in Pierre?

The month with the most sunshine in Pierre is July, with an average of 11.5h of sunshine.

How many hours of sunshine does Pierre have in July?

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

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

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

What is the UV index reading in July in Pierre?

In Pierre, South Dakota, the average daily maximum UV index in July is 7. A UV Index of 6 to 7 symbolizes a high health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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"Hg

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 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%).
The 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").
The 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).
The 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: 15h and 8min

The month with the longest days is June (Average daylight: 15h and 29min).
The month with the shortest days is December (Average daylight: 8h and 55min).

  • Average sunshine in July: 11h and 30min

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 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).
The 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).
The 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

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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