July weather forecastCallao, VA
July
Weather in July
July, the same as June, is another warm summer month in Callao, Virginia, with an average temperature fluctuating between 72.9°F (22.7°C) and 84.7°F (29.3°C).Temperature
With an average high-temperature of 84.7°F (29.3°C) and an average low-temperature of 72.9°F (22.7°C), July is the warmest month.Heat index
Throughout July, the heat index is calculated to be a hot 93.2°F (34°C). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.It is emphasized that the heat index's values are meant for shaded zones with mild winds. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent 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. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are essentially critical for children. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
Humidity
The average relative humidity in July in Callao is 75%.Rainfall
The month with the most rainfall is July, when the rain falls for 17.3 days and typically aggregates up to 2.95" (75mm) of precipitation.Snowfall
In Callao, snow does not fall in April through October.Daylight
In Callao, Virginia, the average length of the day in July is 14h and 29min.On the first day of July in Callao, sunrise is at 5:47 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 6:09 am and sunset at 8:16 pm EDT.
Sunshine
July has the most sunshine of the year, with an average of 10.8h 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 estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In July, the maximum UV index of 6 translates into these guidelines:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. 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
Callao, VA
- Average high temperature in July: 84.7°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in July: 72.9°F
The month with the highest average low temperature is July (72.9°F).
The coldest month (with the lowest average low temperature) is January (31.6°F).
Average pressure in July
Callao, VA
- Average pressure in July: 29.97"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in July
Callao, VA
- Average wind speed in July: 7.2mph
The windiest month (with the highest average wind speed) is March (10.3mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).
Average humidity in July
Callao, VA
- Average humidity in July: 75%
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January and November (73%).
Average rainfall in July
Callao, VA
- Average rainfall in July: 2.95"
The wettest month (with the highest rainfall) is July (2.95").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in July
Callao, VA
- Average rainfall days in July: 17.3 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is November (7.4 days).
Average snowfall in July
Callao, VA
- Average snowfall in July: 0"
The month with the highest snowfall is January (0.51").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in July
Callao, VA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (2.3 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
Callao, 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 48min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in July
Callao, VA
- Average sunshine days in July: 11.4 days
The month with the most sunshine days is November (21 days).
The month with the least sunshine days is August (11.3 days).
Average UV index in July
Callao, 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
Callao, VA
- Average cloud cover in July: 28
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in July
Callao, VA
- Average visibility in July: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
