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
Saint Charles's temperatures tend to reach their peak averages in July, with a high of 84.6°F (29.2°C) and a low of 61.9°F (16.6°C).Heat index
The average heat index in July is calculated to be a very hot 95°F (35°C). Exercise special caution, heat exhaustion and heat cramps are probable. Prolonged activity may induce heatstroke.Heat index values are typically calculated for conditions of shade and a light breeze. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Perspiring is the body's way of cooling down, particularly by allowing sweat to evaporate and take the heat with it. Elevated relative humidity diminishes evaporation, thereby reducing the body's ability to shed heat and creating a feeling of being too warm. As body temperatures escalate without effective heat release, one might face dehydration threats.
Humidity
In July, the average relative humidity is 77%.Rainfall
In July, in Saint Charles, the rain falls for 19.1 days. Throughout July, 3.27" (83mm) of precipitation is accumulated. Throughout the year, there are 176.3 rainfall days, and 32.87" (835mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall in Saint Charles.Daylight
The average length of the day in July is 14h and 23min.On the first day of the month, sunrise is at 6:17 am and sunset at 8:55 pm. On the last day of July, sunrise is at 6:37 am and sunset at 8:39 pm EDT.
Sunshine
In July, the average sunshine in Saint Charles is 10h.UV index
The months with the highest UV index in Saint Charles, Virginia, are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 6 during July translates into the following guidance:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part 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?
What time are sunrise and sunset in July in Saint Charles?
How long on average sun shines in July in Saint Charles?
What are the months 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, VA
- Average high temperature in July: 84.6°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (41°F).
- Average low temperature in July: 61.9°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in July
Saint Charles, VA
- Average pressure in July: 30.01"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in July
Saint Charles, VA
- Average wind speed in July: 4mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in July
Saint Charles, VA
- Average humidity in July: 77%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are August and November (76%).
Average rainfall in July
Saint Charles, VA
- Average rainfall in July: 3.27"
The wettest month (with the highest rainfall) is February (3.78").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in July
Saint Charles, VA
- Average rainfall days in July: 19.1 days
The month with the highest number of rainy days is July (19.1 days).
The month with the least rainy days is November (10.5 days).
Average snowfall in July
Saint Charles, VA
- Average snowfall in July: 0"
The month with the highest snowfall is February (3.27").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in July
Saint Charles, VA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (9 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, VA
- Average daylight in July: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in July: 10h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in July
Saint Charles, VA
- Average sunshine days in July: 10.2 days
The month with the most sunshine days is October (17.6 days).
The month with the least sunshine days is May (10 days).
Average UV index in July
Saint Charles, VA
- Average UV index in July: 6
The months with the highest UV index are May, 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, VA
- Average cloud cover in July: 35
The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in July
Saint Charles, VA
- Average visibility in July: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Saint Charles, Virginia, USA
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