July weather forecast
De Smet, SD

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Weather in July

July, the same as June, is another warm summer month in De Smet, South Dakota, with temperature in the range of an average low of 64.2°F (17.9°C) and an average high of 85.6°F (29.8°C).

Temperature

In De Smet, July is the month with the highest recorded average temperatures, measuring a high of 85.6°F (29.8°C) and a low of 64.2°F (17.9°C).

Heat index

The heat index value during July is appraised at a hot 93.2°F (34°C). Exercise enhanced safety steps, heat cramps and heat exhaustion are probable. Heatstroke could be a result of sustained activity.
Remember that heat index calculations are made for conditions in the shade with light wind. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. 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 of high significance for children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.

Humidity

In De Smet, the average relative humidity in July is 66%.

Rainfall

In De Smet, South Dakota, in July, during 12.5 rainfall days, 2.76" (70mm) of precipitation is typically accumulated. Throughout the year, in De Smet, there are 101.8 rainfall days, and 18.19" (462mm) of precipitation is accumulated.

Snowfall

In De Smet, snow does not fall in May through September.

Daylight

The average length of the day in July is 15h and 8min.
On the first day of July, sunrise is at 5:50 am and sunset at 9:18 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 8:56 pm CDT.

Sunshine

With an average of 11.2h of sunshine, July has the most sunshine of the year in De Smet.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The daily high UV index of 6 in July translates into this advice:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the hottest in De Smet?

July registers as the month with the average highest temperatures, reaching 85.6°F (29.8°C) at its peak and 64.2°F (17.9°C) at the lowest.

How hot is it in De Smet in July?

The average high-temperature, in July, in De Smet, is 85.6°F (29.8°C), while the average low-temperature is 64.2°F (17.9°C). In July, the average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, is appraised at 93.2°F (34°C).

What is the average humidity in July in De Smet?

In De Smet, the average relative humidity in July is 66%.

How many days does it rain in July in De Smet?

In De Smet, in July, during 12.5 rainfall days, 2.76" (70mm) of precipitation is typically accumulated.

When it does not snow in De Smet?

May through September are months without snowfall in De Smet, South Dakota.

What is the average length of the day in July in De Smet?

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

When is the sunrise / sunset in July in De Smet?

On the first day of July, sunrise is at 5:50 am and sunset at 9:18 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 8:56 pm CDT.

What month has the most sunshine in De Smet?

The month with the most sunshine is July, with an average of 11.2h of sunshine.

How long on average sun shines in July in De Smet?

The average sunshine duration in July in De Smet is 11.2h.

What is the month with the highest UV index in De Smet?

The months with the highest UV index in De Smet, South Dakota, are June through August, with an average maximum UV index of 6.

How high is the UV index in July in De Smet?

In July, the average daily maximum UV index in De Smet is 6. A UV Index reading 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
De Smet, SD

Average temperature in July - De Smet, SD
  • Average high temperature in July: 85.6°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (23.2°F).

  • Average low temperature in July: 64.2°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (8.2°F).

Average pressure in July
De Smet, SD

Average pressure in July - De Smet, SD
  • Average pressure in July: 29.91"Hg

The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed in July
De Smet, SD

Average wind speed in July - De Smet, SD
  • Average wind speed in July: 8.6mph

The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (8.6mph).

Average humidity in July
De Smet, SD

Average humidity in July - De Smet, SD
  • Average humidity in July: 66%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is September (62%).

Average rainfall in July
De Smet, SD

Average rainfall in July - De Smet, SD
  • Average rainfall in July: 2.76"

The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is January (0.55").

Average rainfall days in July
De Smet, SD

Average rainfall days in July - De Smet, SD
  • Average rainfall days in July: 12.5 days

The month with the highest number of rainy days is June (15.2 days).
The month with the least rainy days is February (1.8 days).

Average snowfall in July
De Smet, SD

Average snowfall in July - De Smet, SD
  • Average snowfall in July: 0"

The month with the highest snowfall is February (3.54").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in July
De Smet, SD

Average snowfall days in July - De Smet, SD
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is December (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in July /
Average sunshine in July
De Smet, SD

Average daylight in July / Average sunshine in July - De Smet, 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 1min

The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in July
De Smet, SD

Average sunshine days in July - De Smet, SD
  • Average sunshine days in July: 15.9 days

The month with the most sunshine days is November (21.8 days).
The month with the least sunshine days is June (12.3 days).

Average UV index in July
De Smet, SD

Average UV index in July - De Smet, SD
  • Average UV index in July: 6

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and November (UV index 1).

Average cloud cover in July
De Smet, SD

Average cloud cover in July - De Smet, SD
  • Average cloud cover in July: 22

The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 22).

Average visibility in July
De Smet, SD

Average visibility in July - De Smet, SD
  • Average visibility in July: 6mi

The 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).

De Smet, South Dakota, USA

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