July weather forecastGrays, VA
July
Weather in July
July, the same as June, is another warm summer month in Grays, Virginia, with an average temperature fluctuating between 84.9°F (29.4°C) and 61.9°F (16.6°C).Temperature
Temperature readings reach their annual highs in July, averaging 84.9°F (29.4°C) and a minimum average of 61.9°F (16.6°C).Heat index
In July, the average heat index is evaluated at a sweltering 95°F (35°C). Adopt special protective actions against heat exhaustion and heat cramps. Long-duration activity risks heatstroke.Always consider that heat index estimations are for light winds and places in the shade. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
The human body keeps its cool primarily through perspiration, as this process enables sweat to evaporate, taking away the excess heat. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. As body temperatures escalate without effective heat release, one might face dehydration threats.
Humidity
June through September and November, with an average relative humidity of 75%, are the least humid months in Grays.Rainfall
In Grays, during July, the rain falls for 19.8 days and regularly aggregates up to 3.11" (79mm) of precipitation. In Grays, during the entire year, the rain falls for 186.6 days and collects up to 33.15" (842mm) of precipitation.Snowfall
In Grays, snow does not fall in May through September.Daylight
In July, the average length of the day is 14h and 23min.On the first day of July, sunrise is at 6:15 am and sunset at 8:53 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 8:37 pm EDT.
Sunshine
The average sunshine in July is 10.4h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for average individuals.Note: In July, the maximum UV index of 6 suggests these recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Grays, VA
- Average high temperature in July: 84.9°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (42.1°F).
- Average low temperature in July: 61.9°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).
Average pressure in July
Grays, VA
- Average pressure in July: 30.02"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in July
Grays, VA
- Average wind speed in July: 4.1mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in July
Grays, VA
- Average humidity in July: 75%
The months with the highest relative humidity are February and December (79%).
The months with the lowest relative humidity are June, July, August, September and November (75%).
Average rainfall in July
Grays, VA
- Average rainfall in July: 3.11"
The wettest month (with the highest rainfall) is February (3.82").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in July
Grays, VA
- Average rainfall days in July: 19.8 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (11.6 days).
Average snowfall in July
Grays, VA
- Average snowfall in July: 0"
The month with the highest snowfall is December (3.5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in July
Grays, VA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Grays, VA
- Average daylight in July: 14h and 24min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in July: 10h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in July
Grays, VA
- Average sunshine days in July: 9.3 days
The months with the most sunshine days are October and November (16.3 days).
The month with the least sunshine days is February (9.1 days).
Average UV index in July
Grays, 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
Grays, VA
- Average cloud cover in July: 33
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in July
Grays, VA
- Average visibility in July: 6mi
The months with the highest visibility are April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, May and December (5mi).
