July weather forecast
Pierre, SD

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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 represents the peak of summer in Pierre, with daily temperatures expected to soar. The heat opposes the idea of staying indoors, making activities like swimming and boating even more appealing. The most significant take-away is that July experiences the year’s highest average temperatures, peaking at 88.7°F (31.5°C). Regular hydration and sun protection are vital during this month, especially during midday. Families enjoy evening barbecues, taking full advantage of the agreeable weather even after sundown.

Temperature

July, known for its average high temperature of 88.7°F (31.5°C) and an average low temperature of 67.5°F (19.7°C), is the warmest month.

Heat index

The heat index value during July is appraised at a hot 93.2°F (34°C). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.
Heat index evaluations are typically in the context of light winds and shaded environments. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', offers an insight into how hot it feels when we factor in moisture content. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.

Humidity

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

Rainfall

In Pierre, in July, during 12.3 rainfall days, 1.93" (49mm) of precipitation is typically accumulated. Throughout the year, in Pierre, there are 98.5 rainfall days, and 13.7" (348mm) of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in July in Pierre is 15h and 8min.
On the first day of the month, sunrise is at 6:01 am and sunset at 9:29 pm. On the last day of July, sunrise is at 6:28 am and sunset at 9:07 pm CDT.

Sunshine

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

UV index

The month with the highest UV index is July, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.
Note: The maximum UV index of 7 during July leads to these instructions:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
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Frequently asked questions

What are the warmest months in Pierre?

July is Pierre's warmest month, registering average high temperatures of 88.7°F (31.5°C) and lows of 67.5°F (19.7°C).

How hot is July in Pierre?

In July, in Pierre, 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. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, in July is appraised at 93.2°F (34°C).

What is the average humidity in July in Pierre?

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

How much does it rain in Pierre in July?

In Pierre, South Dakota, in July, during 12.3 rainfall days, 1.93" (49mm) of precipitation is typically accumulated.

When it does not snow in Pierre?

June through September are months without snowfall in Pierre.

What is the average length of the day in July in Pierre?

The average day length in July is 15h and 8min.

When are sunrise and 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 6:28 am and sunset at 9:07 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 long on average sun shines in July in Pierre?

In July, the average sunshine duration in Pierre, South Dakota, 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 value of 6 to 7 symbolizes a high health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
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 1min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in July: 11h and 3min

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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Pierre, South Dakota, USA

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