July weather forecastEvergreen, VA
July
Weather in July
July in Evergreen, Virginia, is a tropical summer month, with an average temperature fluctuating between 66.9°F (19.4°C) and 89.4°F (31.9°C).Temperature
July proves to be the warmest month, recording an average peak temperature of 89.4°F (31.9°C) and a minimum temperature of 66.9°F (19.4°C).Heat index
July's average heat index is computed to be a blisteringly hot 104°F (40°C). Extra safeguards are necessary to prevent heat exhaustion and heat cramps. Prolonged activity might cause heatstroke.Research indicates the heat index considers values in shaded locales and with light winds. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', reflects the feeling of heat when considering both air temperature and humidity. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
The physiological way the human body responds to excessive heat is by inducing perspiration, using sweat evaporation as a cooling mechanism. A higher relative humidity affects normal body cooling by reducing the evaporation rate, subsequently lowering the rate at which the body cools and increasing the perception of heat. 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 July, the rain falls for 14.6 days. Throughout July, 1.85" (47mm) of precipitation is accumulated. In Evergreen, during the entire year, the rain falls for 147.2 days and collects up to 26.1" (663mm) of precipitation.Snowfall
In Evergreen, snow does not fall in May through October.Daylight
In July, the average length of the day is 14h and 26min.On the first day of July, sunrise is at 5:58 am and sunset at 8:39 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 8:23 pm EDT.
Sunshine
July has the most sunshine of the year, with an average of 10.7h of sunshine.UV index
The months with the highest UV index in Evergreen are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for average individuals.Note: The UV index of 6 during July leads to these advisories:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Evergreen, VA
- Average high temperature in July: 89.4°F
The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (43.5°F).
- Average low temperature in July: 66.9°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (28.2°F).
Average pressure in July
Evergreen, VA
- Average pressure in July: 29.99"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
Evergreen, VA
- Average wind speed in July: 4.7mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in July
Evergreen, VA
- Average humidity in July: 69%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (69%).
Average rainfall in July
Evergreen, VA
- Average rainfall in July: 1.85"
The wettest month (with the highest rainfall) is February (2.6").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in July
Evergreen, VA
- Average rainfall days in July: 14.6 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in July
Evergreen, VA
- Average snowfall in July: 0"
The month with the highest snowfall is February (2.56").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in July
Evergreen, VA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (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
Evergreen, 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 42min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in July
Evergreen, VA
- Average sunshine days in July: 14.4 days
The month with the most sunshine days is December (20 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in July
Evergreen, 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
Evergreen, VA
- Average cloud cover in July: 30
The month with the most cloud cover is March (Cloud cover 44).
The months with the least cloud cover are June and July (Cloud cover 30).
Average visibility in July
Evergreen, 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).
