July weather forecastOnancock, VA
July
Weather in July
July, the same as June, is a moderately hot summer month in Onancock, Virginia, with an average temperature fluctuating between 75.7°F (24.3°C) and 82°F (27.8°C).Temperature
July is the warmest month, with an average high-temperature of 82°F (27.8°C) and an average low-temperature of 75.7°F (24.3°C).Heat index
For most parts of July, the heat index is computed to be a hot 87.8°F (31°C). Ongoing activity coupled with exposure often results in weariness and could induce heat cramps.Understanding the heat index involves considering values for shaded locales with light wind. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', joins air temperature with relative humidity to produce a temperature perception for humans. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. 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
In Onancock, the average relative humidity in July is 76%.Rainfall
In Onancock, during July, the rain falls for 19.5 days and regularly aggregates up to 3.98" (101mm) of precipitation. Throughout the year, there are 175.7 rainfall days, and 37.72" (958mm) of precipitation is accumulated.Snowfall
April through November are months without snowfall.Daylight
In July, the average length of the day is 14h and 28min.On the first day of the month, sunrise is at 5:45 am and sunset at 8:28 pm. On the last day of July, sunrise is at 6:06 am and sunset at 8:12 pm EDT.
Sunshine
With an average of 11h of sunshine, July has the most sunshine of the year.UV index
The months with the highest UV index are July and August, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 7 during July translates into the following recommendations:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Onancock, VA
- Average high temperature in July: 82°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (43.5°F).
- Average low temperature in July: 75.7°F
The month with the highest average low temperature is July (75.7°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).
Average pressure in July
Onancock, 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
Onancock, VA
- Average wind speed in July: 9.4mph
The windiest month (with the highest average wind speed) is January (13.1mph).
The calmest month (with the lowest average wind speed) is August (9.2mph).
Average humidity in July
Onancock, VA
- Average humidity in July: 76%
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January and November (74%).
Average rainfall in July
Onancock, VA
- Average rainfall in July: 3.98"
The wettest month (with the highest rainfall) is August (4.29").
The driest months (with the least rainfall) are January and November (2.44").
Average rainfall days in July
Onancock, VA
- Average rainfall days in July: 19.5 days
The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is November (10.9 days).
Average snowfall in July
Onancock, VA
- Average snowfall in July: 0"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in July
Onancock, VA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (2.4 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
Onancock, VA
- Average daylight in July: 14h and 30min
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: 11h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in July
Onancock, VA
- Average sunshine days in July: 9.4 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in July
Onancock, VA
- Average UV index in July: 7
The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in July
Onancock, VA
- Average cloud cover in July: 26
The month with the most cloud cover is March (Cloud cover 44).
The months with the least cloud cover are June, July and August (Cloud cover 26).
Average visibility in July
Onancock, 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).





