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
Mellette's July weather reaches an average high of 84.7°F (29.3°C) and an average low of 63.1°F (17.3°C), making it the warmest month.Heat index
For July, the heat index is calculated to be a hot 89.6°F (32°C). Persistently participating in activities during exposure may lead to fatigue and induce heat cramps.In the scope of the heat index, its values resonate with shade and light wind conditions. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', melds the effects of warmth and moisture to generate a feeling of heat. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
Humidity
The average relative humidity in July is 65%.Rainfall
In July, in Mellette, South Dakota, the rain falls for 12.2 days. Throughout July, 2.6" (66mm) of precipitation is accumulated. Throughout the year, there are 97.2 rainfall days, and 18.35" (466mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Mellette, the average length of the day in July is 15h and 13min.On the first day of July in Mellette, sunrise is at 5:51 am and sunset at 9:25 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 9:01 pm CDT.
Sunshine
July has the most sunshine of the year, with an average of 11.1h of sunshine.UV index
The months with the highest UV index in Mellette are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index, 6 in July, converts into the following recommendations:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the hottest in Mellette?
How hot does it get in Mellette in July?
What is the average humidity in July in Mellette?
How much does it rain in Mellette in July?
When it does not snow in Mellette?
What is the average length of the day in July in Mellette?
When are sunrise and sunset in July in Mellette?
What month has the most sunshine in Mellette?
How long on average sun shines in July in Mellette?
What is the month with the highest UV index in Mellette?
How high is the UV index in July in Mellette?
Average temperature in July
Mellette, SD
- Average high temperature in July: 84.7°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (20.7°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 (6.3°F).
Average pressure in July
Mellette, SD
- Average pressure in July: 29.91"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in July
Mellette, SD
- Average wind speed in July: 8.4mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).
Average humidity in July
Mellette, SD
- Average humidity in July: 65%
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are August and September (60%).
Average rainfall in July
Mellette, SD
- Average rainfall in July: 2.6"
The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in July
Mellette, SD
- Average rainfall days in July: 12.2 days
The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is February (2 days).
Average snowfall in July
Mellette, SD
- Average snowfall in July: 0"
The month with the highest snowfall is January (3.82").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Mellette, SD
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Mellette, SD
- Average daylight in July: 15h and 1min
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 1min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in July
Mellette, SD
- Average sunshine days in July: 16.8 days
The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is June (12.7 days).
Average UV index in July
Mellette, 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, February and November (UV index 1).
Average cloud cover in July
Mellette, SD
- Average cloud cover in July: 23
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are July and August (Cloud cover 23).
Average visibility in July
Mellette, 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).
Mellette, South Dakota, USA
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