July weather forecastSioux Falls, SD
July
Weather in July
July in Sioux Falls heralds the peak of the summer season. The city basks in the sun's warmth, reaching up to 82.4°F (28°C), rendering it the hottest month of the year. The parching heat is occasionally relieved by 2.28" (58mm) of rainfall, adding variety to the weather spectrum. Despite the rising temperatures, a relatively lower cloud percentage maintains clear skies, contributing to longer, sunlit days. July embodies the typical Midwest summer: vibrant, sunny, and full of life.Temperature
July tends to be the warmest month, with temperatures averaging a daily high of 82.4°F (28°C) and a low of 63.1°F (17.3°C).Heat index
The heat index for July is evaluated at a hot 87.8°F (31°C). Long-lasting exposure and activity potentially induce a sense of weariness, with the risk of heat cramps.It is emphasized that the heat index's values are meant for shaded zones with mild winds. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.
Humidity
In Sioux Falls, the average relative humidity in July is 75%.Rainfall
In Sioux Falls, South Dakota, in July, it is raining for 13.2 days, with typically 2.28" (58mm) of accumulated precipitation. Throughout the year, there are 117.1 rainfall days, and 20.71" (526mm) of precipitation is accumulated.Snowfall
In Sioux Falls, snow does not fall in June through September.Daylight
In Sioux Falls, the average length of the day in July is 15h and 2min.On the first day of the month, sunrise is at 5:50 am and sunset at 9:11 pm. On the last day of July, sunrise is at 6:16 am and sunset at 8:50 pm CDT.
Sunshine
The month with the most sunshine is July, with an average of 10.7h of sunshine.UV index
The months with the highest UV index are June and July, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: During July, 6 as the daily maximum UV index converts into the following advice:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. 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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Sioux Falls, SD
- Average high temperature in July: 82.4°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (23.4°F).
- Average low temperature in July: 63.1°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (9.7°F).
Average pressure in July
Sioux Falls, SD
- Average pressure in July: 29.93"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in July
Sioux Falls, SD
- Average wind speed in July: 8mph
The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest month (with the lowest average wind speed) is July (8mph).
Average humidity in July
Sioux Falls, SD
- Average humidity in July: 75%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (66%).
Average rainfall in July
Sioux Falls, SD
- Average rainfall in July: 2.28"
The wettest month (with the highest rainfall) is June (3.27").
The driest months (with the least rainfall) are January, February and November (0.67").
Average rainfall days in July
Sioux Falls, SD
- Average rainfall days in July: 13.2 days
The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is February (3 days).
Average snowfall in July
Sioux Falls, SD
- Average snowfall in July: 0"
The month with the highest snowfall is February (4.25").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Sioux Falls, SD
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Sioux Falls, SD
- Average daylight in July: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in July: 10h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in July
Sioux Falls, SD
- Average sunshine days in July: 14.5 days
The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is June (10 days).
Average UV index in July
Sioux Falls, SD
- Average UV index in July: 6
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in July
Sioux Falls, SD
- Average cloud cover in July: 27
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in July
Sioux Falls, 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).
