July weather forecast
Fort Pierre, SD

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Weather in July

July, the heart of summer in Fort Pierre, boasts ample sunshine with more than 15 hours of daylight daily. Temperatures in July touch the highest for the year at 88.7°F (31.5°C) and minimums remaining at 67.5°F (19.7°C). Long days, clear skies, and the absence of snowfall concocts perfect weather conditions for outdoor activities and festivals. The relative humidity experiences a significant dip, hovering around 53%. Although infrequent, summer storms may occur, bringing with them gusty winds and heavy downpours.

Temperature

Fort Pierre experiences its highest temperatures in July, with an average peak of 88.7°F (31.5°C) and a low of 67.5°F (19.7°C).

Heat index

In July, the heat index is computed to be a hot 93.2°F (34°C). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a measure of how hot it feels when the actual air humidity is factored in. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.

Humidity

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

Rainfall

In Fort Pierre, South Dakota, during July, the rain falls for 12.3 days and regularly aggregates up to 1.93" (49mm) of precipitation. In Fort Pierre, during the entire year, the rain falls for 98.5 days and collects up to 13.7" (348mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in July in Fort Pierre is 15h and 8min.
On the first day of the month, sunrise is at 5:01 am and sunset at 8:29 pm. On the last day of July, sunrise is at 5:28 am and sunset at 8:07 pm MDT.

Sunshine

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

UV index

July is the month with the highest UV index, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: In July, the maximum UV index of 7 translates into these guidelines:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
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Frequently asked questions

What month is the hottest in Fort Pierre?

July is the warmest month of the year in Fort Pierre, registering average temperatures as high as 88.7°F (31.5°C) and as low as 67.5°F (19.7°C).

How hot is July in Fort Pierre?

The high-temperature in Fort Pierre during July is 88.7°F (31.5°C) and the low-temperature is 67.5°F (19.7°C). The average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in July is computed to be 93.2°F (34°C).

What is the average humidity in July in Fort Pierre?

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

How much does it rain in Fort Pierre in July?

In July, in Fort Pierre, South Dakota, the rain falls for 12.3 days. Throughout July, 1.93" (49mm) of precipitation is accumulated.

When it does not snow in Fort Pierre?

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

How many hours of daylight does Fort Pierre have in July?

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

When are sunrise and sunset in July in Fort Pierre?

On the first day of July in Fort Pierre, South Dakota, sunrise is at 5:01 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 5:28 am and sunset at 8:07 pm MDT.

What month has the most sunshine in Fort Pierre?

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

How long on average sun shines in July in Fort Pierre?

The average sunshine duration in July in Fort Pierre is 11.5h.

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

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

What is the UV index intensity in July in Fort Pierre?

In July, the average daily maximum UV index is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.
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
Fort Pierre, SD

Average temperature in July - Fort 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
Fort Pierre, SD

Average pressure in July - Fort 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
Fort Pierre, SD

Average wind speed in July - Fort 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
Fort Pierre, SD

Average humidity in July - Fort 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
Fort Pierre, SD

Average rainfall in July - Fort 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
Fort Pierre, SD

Average rainfall days in July - Fort 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
Fort Pierre, SD

Average snowfall in July - Fort 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
Fort Pierre, SD

Average snowfall days in July - Fort 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
Fort Pierre, SD

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

Average sunshine days in July - Fort 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
Fort Pierre, SD

Average UV index in July - Fort 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
Fort Pierre, SD

Average cloud cover in July - Fort 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
Fort Pierre, SD

Average visibility in July - Fort 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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Fort Pierre, South Dakota, USA

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