July weather forecastCastle Heights, VA
July
Weather in July
July is a hot summer month in Castle Heights, Virginia, with temperature in the range of an average low of 69.3°F (20.7°C) and an average high of 90°F (32.2°C).Temperature
July tends to be the warmest month, with temperatures averaging a daily high of 90°F (32.2°C) and a low of 69.3°F (20.7°C).Heat index
The average heat index in July is calculated to be a blisteringly hot 105.8°F (41°C). Exercise heightened safety, heat cramps and heat exhaustion are probable. Persistent activity may provoke heatstroke.Heat index details are generally centered around shaded locations and a mild breeze. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', embodies the combination of air temperature and moisture content to illustrate perceived heat. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. 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 remain especially vital for babies and toddlers. 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.
Through perspiration, the body has a natural mechanism to eliminate excessive heat via sweat evaporation. In conditions of both high temperature and humidity (a high heat index), sweating is limited and the perception of heat is enhanced. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.
Humidity
July is the least humid month in Castle Heights, with an average relative humidity of 71%.Rainfall
In Castle Heights, in July, it is raining for 16.7 days, with typically 1.93" (49mm) of accumulated precipitation. Throughout the year, in Castle Heights, Virginia, there are 144.4 rainfall days, and 21.3" (541mm) of precipitation is accumulated.Snowfall
April through November are months without snowfall in Castle Heights, Virginia.Daylight
In Castle Heights, the average length of the day in July is 14h and 22min.On the first day of the month, sunrise is at 5:58 am and sunset at 8:35 pm. On the last day of July, in Castle Heights, sunrise is at 6:19 am and sunset at 8:20 pm EDT.
Sunshine
The months with the most sunshine in Castle Heights, Virginia, are June and July, with an average of 10.7h of sunshine.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: An average maximum UV index of 6 in July leads to these recommendations:
Deflect overexposure. Sun protection is a necessity. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Castle Heights, VA
- Average high temperature in July: 90°F
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (46°F).
- Average low temperature in July: 69.3°F
The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in July
Castle Heights, VA
- Average pressure in July: 29.98"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in July
Castle Heights, VA
- Average wind speed in July: 5.3mph
The windiest month (with the highest average wind speed) is April (7.7mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in July
Castle Heights, VA
- Average humidity in July: 71%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (71%).
Average rainfall in July
Castle Heights, VA
- Average rainfall in July: 1.93"
The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is September (1.3").
Average rainfall days in July
Castle Heights, VA
- Average rainfall days in July: 16.7 days
The month with the highest number of rainy days is July (16.7 days).
The month with the least rainy days is October (8.3 days).
Average snowfall in July
Castle Heights, VA
- Average snowfall in July: 0"
The month with the highest snowfall is January (1.5").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in July
Castle Heights, VA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in July /
Average sunshine in July
Castle Heights, VA
- Average daylight in July: 14h and 24min
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 42min
The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in July
Castle Heights, VA
- Average sunshine days in July: 12 days
The month with the most sunshine days is October (21.4 days).
The month with the least sunshine days is July (12 days).
Average UV index in July
Castle Heights, 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 and December (UV index 2).
Average cloud cover in July
Castle Heights, VA
- Average cloud cover in July: 31
The months with the most cloud cover are February and March (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in July
Castle Heights, VA
- Average visibility in July: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
