July weather forecastRoberts Mill, VA
July
Weather in July
July, like June, in Roberts Mill, Virginia, is a moderately hot summer month, with temperature in the range of an average low of 57.9°F (14.4°C) and an average high of 81°F (27.2°C).Temperature
July stands out as Roberts Mill's warmest month, with temperatures ranging between an average high of 81°F (27.2°C) and a low of 57.9°F (14.4°C).Heat index
In July, the average heat index is estimated at a tropical 86°F (30°C). Continuous exposure and activity could induce a sense of tiredness and subsequently, heat cramps.Heat index's context suggests values are appropriate for shady areas and slight breezes. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. 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. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
Humidity
In Roberts Mill, the average relative humidity in July is 78%.Rainfall
In Roberts Mill, in July, it is raining for 22 days, with typically 2.99" (76mm) of accumulated precipitation. Throughout the year, there are 191 rainfall days, and 30.87" (784mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Roberts Mill.Daylight
In Roberts Mill, the average length of the day in July is 14h and 23min.On the first day of July in Roberts Mill, sunrise is at 6:10 am and sunset at 8:48 pm. On the last day of the month, sunrise is at 6:31 am and sunset at 8:32 pm EDT.
Sunshine
The average sunshine in July in Roberts Mill is 9.8h.UV index
In July, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: In July, the maximum UV index of 5 suggests this advice:
Make use of precautions - Suggestions to resist sunburn are communicated. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Roberts Mill, VA
- Average high temperature in July: 81°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in July: 57.9°F
The month with the highest average low temperature is July (57.9°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).
Average pressure in July
Roberts Mill, 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
Roberts Mill, VA
- Average wind speed in July: 4.8mph
The windiest months (with the highest average wind speed) are January and February (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in July
Roberts Mill, VA
- Average humidity in July: 78%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is November (77%).
Average rainfall in July
Roberts Mill, VA
- Average rainfall in July: 2.99"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in July
Roberts Mill, VA
- Average rainfall days in July: 22 days
The month with the highest number of rainy days is July (22 days).
The month with the least rainy days is November (10.8 days).
Average snowfall in July
Roberts Mill, VA
- Average snowfall in July: 0"
The month with the highest snowfall is December (4.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Roberts Mill, 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
Roberts Mill, 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: 9h and 48min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in July
Roberts Mill, VA
- Average sunshine days in July: 7.5 days
The month with the most sunshine days is November (15.6 days).
The month with the least sunshine days is May (6.7 days).
Average UV index in July
Roberts Mill, VA
- Average UV index in July: 5
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in July
Roberts Mill, VA
- Average cloud cover in July: 40
The month with the most cloud cover is February (Cloud cover 59).
The months with the least cloud cover are June, July and August (Cloud cover 40).
Average visibility in July
Roberts Mill, VA
- Average visibility in July: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (5mi).
The month with the lowest visibility is September (4mi).





