July weather forecastRoxbury, VA
July
Weather in July
July in Roxbury, Virginia, is a tropical summer month, with temperature in the range of an average high of 90.3°F (32.4°C) and an average low of 69.8°F (21°C).Temperature
Roxbury's warmest month, July, generally records average temperatures ranging from a high of 90.3°F (32.4°C) to a low of 69.8°F (21°C).Heat index
The average heat index in July is estimated at a blisteringly hot 105.8°F (41°C). Additional precautions are required to avert heat cramps and heat exhaustion. Persistent activity may culminate in heatstroke.Heat index's context suggests values are appropriate for shady areas and slight breezes. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', combines air temperature and relative humidity to represent a human perceived temperature equivalent. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.
Humidity
July is the least humid month, with an average relative humidity of 69%.Rainfall
In Roxbury, in July, it is raining for 13.3 days, with typically 1.81" (46mm) of accumulated precipitation. In Roxbury, during the entire year, the rain falls for 133.2 days and collects up to 18.94" (481mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in July is 14h and 27min.On the first day of the month, sunrise is at 5:51 am and sunset at 8:33 pm. On the last day of July, sunrise is at 6:12 am and sunset at 8:17 pm EDT.
Sunshine
July has the most sunshine of the year, with an average of 10.5h of sunshine.UV index
The months with the highest UV index are June and July, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 7 in July translates into these instructions:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. 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
Roxbury, VA
- Average high temperature in July: 90.3°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (44.8°F).
- Average low temperature in July: 69.8°F
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in July
Roxbury, VA
- Average pressure in July: 29.97"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
Roxbury, VA
- Average wind speed in July: 5.5mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in July
Roxbury, VA
- Average humidity in July: 69%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (69%).
Average rainfall in July
Roxbury, VA
- Average rainfall in July: 1.81"
The wettest month (with the highest rainfall) is August (2.05").
The driest month (with the least rainfall) is September (1.1").
Average rainfall days in July
Roxbury, VA
- Average rainfall days in July: 13.3 days
The month with the highest number of rainy days is May (14.8 days).
The months with the least rainy days are October and November (8.2 days).
Average snowfall in July
Roxbury, VA
- Average snowfall in July: 0"
The month with the highest snowfall is March (0.67").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in July
Roxbury, VA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (2.4 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
Roxbury, VA
- Average daylight in July: 14h and 24min
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 30min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 5h and 12min).
Average sunshine days in July
Roxbury, VA
- Average sunshine days in July: 15.7 days
The months with the most sunshine days are October and December (21.4 days).
The month with the least sunshine days is May (14.4 days).
Average UV index in July
Roxbury, VA
- Average UV index in July: 7
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in July
Roxbury, VA
- Average cloud cover in July: 33
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in July
Roxbury, 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).
