July weather forecastGlenbrook Hills, VA
July
Weather in July
July in Glenbrook Hills, Virginia, is a hot summer month, with an average temperature varying between 69.6°F (20.9°C) and 90.7°F (32.6°C).Temperature
Glenbrook Hills's warmest weather arrives in July, when temperatures average a high of 90.7°F (32.6°C) and a low of 69.6°F (20.9°C).Heat index
Throughout July, the heat index is evaluated at a blistering 105.8°F (41°C). Adopt enhanced safety measures, heat exhaustion and heat cramps could occur. Continuous activity may induce heatstroke.Research indicates the heat index considers values in shaded locales and with light winds. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', gives a temperature feeling by integrating air temperature and humidity. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
In the face of high temperatures, the human body's reflex is to perspire, leveraging sweat evaporation for cooling. Elevated relative humidity disrupts typical body cooling by reducing the evaporation rate, consequently decreasing the body's cooling rate and enhancing the feeling of heat. Overheating can ensue when the body accumulates more heat than it can release, and dehydration severity may vary.
Humidity
With an average relative humidity of 68%, July is the least humid month.Rainfall
In July, in Glenbrook Hills, Virginia, the rain falls for 14.7 days. Throughout July, 2.32" (59mm) of precipitation is accumulated. Throughout the year, there are 151.1 rainfall days, and 26.22" (666mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In July, the average length of the day is 14h and 28min.On the first day of July, sunrise is at 5:52 am and sunset at 8:35 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 8:19 pm EDT.
Sunshine
With an average of 10.6h of sunshine, July has the most sunshine of the year.UV index
The month with the highest UV index is July, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In July, the UV index of 7 transforms into the following advice:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Glenbrook Hills, VA
- Average high temperature in July: 90.7°F
The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (44.2°F).
- Average low temperature in July: 69.6°F
The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).
Average pressure in July
Glenbrook Hills, VA
- Average pressure in July: 29.98"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in July
Glenbrook Hills, VA
- Average wind speed in July: 5.4mph
The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in July
Glenbrook Hills, VA
- Average humidity in July: 68%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (68%).
Average rainfall in July
Glenbrook Hills, VA
- Average rainfall in July: 2.32"
The wettest month (with the highest rainfall) is August (2.72").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in July
Glenbrook Hills, VA
- Average rainfall days in July: 14.7 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in July
Glenbrook Hills, VA
- Average snowfall in July: 0"
The month with the highest snowfall is February (1.77").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in July
Glenbrook Hills, VA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (3.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in July /
Average sunshine in July
Glenbrook Hills, VA
- Average daylight in July: 14h and 30min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in July: 10h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in July
Glenbrook Hills, VA
- Average sunshine days in July: 14.4 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (11.9 days).
Average UV index in July
Glenbrook Hills, VA
- Average UV index in July: 7
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in July
Glenbrook Hills, VA
- Average cloud cover in July: 31
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in July
Glenbrook Hills, VA
- Average visibility in July: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).





