Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall in July
- Average snowfall days in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
In Selby, July is identified by the highest average temperatures, reaching a peak of 86.4°F (30.2°C) and a low of 65.5°F (18.6°C).Heat index
July's heat index is calculated to be a hot 89.6°F (32°C). Continuing activity during long-lasting exposure might induce tiredness and result in heat cramps.Remember that heat index calculations are made for conditions in the shade with light wind. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an estimation of the warmth sensation when considering humidity levels. 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. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
Humidity
The average relative humidity in July in Selby, South Dakota, is 54%.Rainfall
In Selby, in July, during 11 rainfall days, 2.09" (53mm) of precipitation is typically accumulated. In Selby, during the entire year, the rain falls for 89.4 days and collects up to 15.39" (391mm) of precipitation.Snowfall
In Selby, snow does not fall in June through September.Daylight
In Selby, the average length of the day in July is 15h and 16min.On the first day of July, sunrise is at 5:55 am and sunset at 9:32 pm. On the last day of the month, sunrise is at 6:23 am and sunset at 9:09 pm CDT.
Sunshine
July has the most sunshine of the year, with an average of 11.4h of sunshine.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the average person.Note: A daily high UV index of 6 in July leads to these guidelines:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the hottest in Selby?
How hot does it get in Selby in July?
What is the average humidity in July in Selby?
How much does it rain in Selby in July?
When it does not snow in Selby?
How many hours of daylight does Selby have in July?
When is the sunrise / sunset in July in Selby?
What month has the most sunshine in Selby?
How long on average sun shines in July in Selby?
What are the months with the highest UV index in Selby?
What is the UV index reading in July in Selby?
Average temperature in July
Selby, SD
- Average high temperature in July: 86.4°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (23°F).
- Average low temperature in July: 65.5°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (9°F).
Average pressure in July
Selby, 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
Selby, SD
- Average wind speed in July: 9.8mph
The windiest month (with the highest average wind speed) is April (11.5mph).
The calmest month (with the lowest average wind speed) is February (9.4mph).
Average humidity in July
Selby, SD
- Average humidity in July: 54%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (52%).
Average rainfall in July
Selby, SD
- Average rainfall in July: 2.09"
The wettest month (with the highest rainfall) is June (2.32").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in July
Selby, SD
- Average rainfall days in July: 11 days
The month with the highest number of rainy days is June (13.8 days).
The month with the least rainy days is February (1.3 days).
Average snowfall in July
Selby, SD
- Average snowfall in July: 0"
The month with the highest snowfall is February (3.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Selby, 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
Selby, SD
- Average daylight in July: 15h and 2min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in July: 11h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in July
Selby, SD
- Average sunshine days in July: 16.7 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (13.6 days).
Average UV index in July
Selby, 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 December (UV index 1).
Average cloud cover in July
Selby, SD
- Average cloud cover in July: 21
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 21).
Average visibility in July
Selby, 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).
Selby, South Dakota, USA
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