July weather forecastLanexa, VA
July
Weather in July
July in Lanexa, Virginia, is a tropical summer month, with an average temperature fluctuating between 69.4°F (20.8°C) and 89.2°F (31.8°C).Temperature
In Lanexa, the peak average temperatures are observed in July, with a high of 89.2°F (31.8°C) and a low of 69.4°F (20.8°C).Heat index
The heat index for July is evaluated at a blistering 105.8°F (41°C). Adopt heightened preventive measures, heat exhaustion and heat cramps are probable. Persistent activity could lead to heatstroke.When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. 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.
Sweat evaporation, driven by perspiration, is the method the human body uses to rid itself of excessive warmth. 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. As body temperatures escalate without effective heat release, one might face dehydration threats.
Humidity
July is the least humid month, with an average relative humidity of 73%.Rainfall
In Lanexa, in July, during 14.8 rainfall days, 1.65" (42mm) of precipitation is typically accumulated. In Lanexa, during the entire year, the rain falls for 130.3 days and collects up to 15.91" (404mm) of precipitation.Snowfall
In Lanexa, snow does not fall in April through October.Daylight
In July, the average length of the day is 14h and 26min.On the first day of July, sunrise is at 5:50 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 8:16 pm EDT.
Sunshine
With an average of 10.6h of sunshine, July has the most sunshine of the year.UV index
The months with the highest UV index in Lanexa are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 6 during July translates into the following recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Lanexa, VA
- Average high temperature in July: 89.2°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (45.1°F).
- Average low temperature in July: 69.4°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).
Average pressure in July
Lanexa, 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
Lanexa, VA
- Average wind speed in July: 5.7mph
The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in July
Lanexa, VA
- Average humidity in July: 73%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is July (73%).
Average rainfall in July
Lanexa, VA
- Average rainfall in July: 1.65"
The wettest month (with the highest rainfall) is August (2.13").
The driest month (with the least rainfall) is September (0.87").
Average rainfall days in July
Lanexa, VA
- Average rainfall days in July: 14.8 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is November (6.8 days).
Average snowfall in July
Lanexa, VA
- Average snowfall in July: 0"
The month with the highest snowfall is March (0.43").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in July
Lanexa, VA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (2.2 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
Lanexa, 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 36min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in July
Lanexa, VA
- Average sunshine days in July: 14.4 days
The month with the most sunshine days is October (21.7 days).
The month with the least sunshine days is May (13.3 days).
Average UV index in July
Lanexa, 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
Lanexa, 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
Lanexa, 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).





