July weather forecastPierre, SD
July
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
Pierre's warmest temperatures are experienced in July, with average high temperatures of 88.7°F (31.5°C) and lows of 67.5°F (19.7°C).Heat index
In July, the heat index is computed to be a tropical 93.2°F (34°C). Adopt enhanced safety measures, heat exhaustion and heat cramps could occur. Continuous activity may induce heatstroke.When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is the outcome of merging air's temperature and its humidity metrics. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.
Humidity
In July, the average relative humidity is 53%.Rainfall
In Pierre, South Dakota, 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
In Pierre, the average length of the day in July is 15h and 8min.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.
Sunshine
With an average of 11.5h of sunshine, July has the most sunshine of the year.UV index
The month with the highest UV index is July, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.Note: In July, the maximum UV index of 7 suggests this advice:
Guard against overexposure. Protection from sun-induced harm is essential. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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").
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).
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").
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).
Average daylight in July /
Average sunshine in July
Pierre, SD
- Average daylight in July: 15h and 6min
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 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).
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).
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).
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).
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).
