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 Saint Charles, the month of July is known for its highest average temperatures, reaching a high of 85.1°F (29.5°C) and a low of 65.1°F (18.4°C).Heat index
The average heat index in July is computed to be a tropical 91.4°F (33°C). Extra precautions are necessary, heat cramps and heat exhaustion are plausible outcomes. Extended activity could lead to heatstroke.It is essential to grasp that the heat index's numbers are for shade and light wind settings. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', offers an insight into how hot it feels when we factor in moisture content. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the 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 important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
Humidity
In Saint Charles, the average relative humidity in July is 67%.Rainfall
In July, in Saint Charles, the rain falls for 15.3 days. Throughout July, 2.6" (66mm) of precipitation is accumulated. In Saint Charles, during the entire year, the rain falls for 109.3 days and collects up to 19.41" (493mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Saint Charles, South Dakota, the average length of the day in July is 14h and 59min.On the first day of July, sunrise is at 6:01 am and sunset at 9:19 pm. On the last day of the month, sunrise is at 6:26 am and sunset at 8:58 pm CDT.
Sunshine
With an average of 10.9h of sunshine, July has the most sunshine of the year.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index in Saint Charles. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: A typical high UV index of 6 in July suggests the following recommendations:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the hottest in Saint Charles?
How hot is it in Saint Charles in July?
What is the average humidity in July in Saint Charles?
How many days does it rain in July in Saint Charles?
When it does not snow in Saint Charles?
What is the average length of the day in July in Saint Charles?
When are sunrise and sunset in July in Saint Charles?
What month has the most sunshine in Saint Charles?
How many hours of sunshine does Saint Charles have in July?
What is the month with the highest UV index in Saint Charles?
What is the UV index intensity in July in Saint Charles?
Average temperature in July
Saint Charles, SD
- Average high temperature in July: 85.1°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in July: 65.1°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).
Average pressure in July
Saint Charles, SD
- Average pressure in July: 29.92"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in July
Saint Charles, SD
- Average wind speed in July: 9.3mph
The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is July (9.3mph).
Average humidity in July
Saint Charles, SD
- Average humidity in July: 67%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is October (61%).
Average rainfall in July
Saint Charles, SD
- Average rainfall in July: 2.6"
The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in July
Saint Charles, SD
- Average rainfall days in July: 15.3 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (1.6 days).
Average snowfall in July
Saint Charles, SD
- Average snowfall in July: 0"
The month with the highest snowfall is December (3.66").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Saint Charles, SD
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Saint Charles, SD
- Average daylight in July: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in July: 10h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in July
Saint Charles, SD
- Average sunshine days in July: 12.8 days
The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is June (9.6 days).
Average UV index in July
Saint Charles, 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, November and December (UV index 2).
Average cloud cover in July
Saint Charles, SD
- Average cloud cover in July: 25
The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are July, August and September (Cloud cover 25).
Average visibility in July
Saint Charles, 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).
Saint Charles, South Dakota, USA
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