July weather forecastStephan, SD
July
Weather in July
July, like June, in Stephan, South Dakota, is a moderately hot summer month, with an average temperature ranging between min 64.6°F (18.1°C) and max 85.8°F (29.9°C).Temperature
In Stephan, the highest average temperatures are observed in July, with a high of 85.8°F (29.9°C) and a low of 64.6°F (18.1°C).Heat index
The heat index in July is estimated at a tropical 91.4°F (33°C). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.The metrics for the heat index are tailored for both shady environments and light winds. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is found by incorporating humidity levels into the air temperature measurement. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.
Humidity
In July, the average relative humidity is 63%.Rainfall
The month with the most rainfall is July, when the rain falls for 12.7 days and typically aggregates up to 3.07" (78mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in July in Stephan is 15h and 7min.On the first day of July, sunrise is at 5:58 am and sunset at 9:25 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 9:03 pm CDT.
Sunshine
With an average of 11h of sunshine, July has the most sunshine of the year.UV index
The months with the highest UV index in Stephan, South Dakota, are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for average individuals.Note: In July, the average maximum UV index of 6 translates into the following recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Stephan, SD
- Average high temperature in July: 85.8°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (23.4°F).
- Average low temperature in July: 64.6°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (9.1°F).
Average pressure in July
Stephan, SD
- Average pressure in July: 29.9"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
Stephan, SD
- Average wind speed in July: 9mph
The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest month (with the lowest average wind speed) is August (8.9mph).
Average humidity in July
Stephan, SD
- Average humidity in July: 63%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is September (60%).
Average rainfall in July
Stephan, SD
- Average rainfall in July: 3.07"
The wettest month (with the highest rainfall) is July (3.07").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in July
Stephan, SD
- Average rainfall days in July: 12.7 days
The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is February (1.3 days).
Average snowfall in July
Stephan, SD
- Average snowfall in July: 0"
The month with the highest snowfall is February (4.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Stephan, SD
- Average snowfall days in July: 0 days
The months with the highest number of snowfall days are January and February (10.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in July /
Average sunshine in July
Stephan, 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 0min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in July
Stephan, SD
- Average sunshine days in July: 15.6 days
The month with the most sunshine days is November (22.1 days).
The month with the least sunshine days is June (12.4 days).
Average UV index in July
Stephan, SD
- Average UV index in July: 6
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in July
Stephan, SD
- Average cloud cover in July: 24
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 24).
Average visibility in July
Stephan, 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).
