July weather forecastBlackstone, VA
July
Weather in July
July in Blackstone, Virginia, is a hot summer month, with an average temperature fluctuating between 68.9°F (20.5°C) and 90°F (32.2°C).Temperature
July, on average, is the warmest month, registering a high temperature of 90°F (32.2°C) and a low of 68.9°F (20.5°C).Heat index
In July, the heat index is estimated at a blisteringly hot 105.8°F (41°C). Adopt heightened safety measures, heat cramps and heat exhaustion may occur. Sustained activity might cause heatstroke.Heat index data is primarily for areas with shade and subjected to light winds. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. 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.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.
Humidity
With an average relative humidity of 71%, July is the least humid month.Rainfall
In Blackstone, during July, the rain falls for 15.8 days and regularly aggregates up to 2.17" (55mm) of precipitation. Throughout the year, there are 153.1 rainfall days, and 28.7" (729mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in July is 14h and 25min.On the first day of July, sunrise is at 5:56 am and sunset at 8:35 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 8:19 pm EDT.
Sunshine
The month with the most sunshine is July, with an average of 10.6h of sunshine.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In July, the maximum UV index of 6 suggests this advice:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Blackstone, 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 (45.1°F).
- Average low temperature in July: 68.9°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (30°F).
Average pressure in July
Blackstone, 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
Blackstone, VA
- Average wind speed in July: 5.5mph
The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in July
Blackstone, 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
Blackstone, VA
- Average rainfall in July: 2.17"
The wettest months (with the highest rainfall) are March, May and November (2.68").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in July
Blackstone, VA
- Average rainfall days in July: 15.8 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in July
Blackstone, VA
- Average snowfall in July: 0"
The month with the highest snowfall is March (2.2").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in July
Blackstone, 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 and September (0 days).
Average daylight in July /
Average sunshine in July
Blackstone, 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 42min).
- 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 18min).
Average sunshine days in July
Blackstone, VA
- Average sunshine days in July: 12.8 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in July
Blackstone, 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 and December (UV index 2).
Average cloud cover in July
Blackstone, VA
- Average cloud cover in July: 32
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in July
Blackstone, 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).
