July weather forecastPort Royal, VA
July
Weather in July
July is a tropical summer month in Port Royal, Virginia, with temperature in the range of an average high of 87.4°F (30.8°C) and an average low of 69.4°F (20.8°C).Temperature
Port Royal's July weather, marked by an average high temperature of 87.4°F (30.8°C) and an average low temperature of 69.4°F (20.8°C), is the warmest in the year.Heat index
July's average heat index is calculated to be a very hot 100.4°F (38°C). Exercise heightened safety, heat cramps and heat exhaustion are probable. Persistent activity may provoke heatstroke.Understanding the heat index involves considering values for shaded locales with light wind. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'felt air temperature', embodies the combination of air temperature and moisture content to illustrate perceived heat. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
The innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. When air moisture content is high, the cooling process through evaporation is not as efficient, leading to an ineffective body cooling process and a feeling of overheating. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.
Humidity
In Port Royal, the average relative humidity in July is 74%.Rainfall
The months with the most rainfall in Port Royal are July and August, with an average 3.19" (81mm) of precipitation.Snowfall
May through October are months without snowfall in Port Royal.Daylight
The average length of the day in July is 14h and 31min.On the first day of the month, sunrise is at 5:49 am and sunset at 8:35 pm. On the last day of July, in Port Royal, sunrise is at 6:11 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
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In July, a daily UV index of 6 turns into the following recommendations:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. 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
Port Royal, VA
- Average high temperature in July: 87.4°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (42.3°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 (28.8°F).
Average pressure in July
Port Royal, 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
Port Royal, VA
- Average wind speed in July: 5.5mph
The windiest month (with the highest average wind speed) is April (8mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in July
Port Royal, VA
- Average humidity in July: 74%
The months with the highest relative humidity are May and December (78%).
The month with the lowest relative humidity is April (73%).
Average rainfall in July
Port Royal, VA
- Average rainfall in July: 3.19"
The wettest months (with the highest rainfall) are July and August (3.19").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in July
Port Royal, VA
- Average rainfall days in July: 16 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (9.4 days).
Average snowfall in July
Port Royal, VA
- Average snowfall in July: 0"
The month with the highest snowfall is January (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in July
Port Royal, VA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (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
Port Royal, VA
- Average daylight in July: 14h and 30min
The month with the longest days is June (Average daylight: 14h and 48min).
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 months with the least sunshine are February and December (Average sunshine: 5h and 6min).
Average sunshine days in July
Port Royal, VA
- Average sunshine days in July: 12.6 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is May (11.9 days).
Average UV index in July
Port Royal, 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
Port Royal, VA
- Average cloud cover in July: 31
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in July
Port Royal, 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).
