July weather forecastCastlewood, VA

July

Weather in July

July, the same as June, is another warm summer month in Castlewood, Virginia, with an average temperature fluctuating between 83.5°F (28.6°C) and 60.4°F (15.8°C).

Temperature

July, with its high-temperature average of 83.5°F (28.6°C) and a low-temperature average of 60.4°F (15.8°C), is the warmest month.

Heat index

July's heat index is computed to be a tropical 91.4°F (33°C). Take more caution, heat exhaustion and heat cramps may occur. Long-lasting activity may cause heatstroke.
Observations indicate that the heat index values are for shady locations with light wind. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', gives an indication of how one might feel in terms of heat after considering humidity. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.

Humidity

In July, the average relative humidity is 77%.

Rainfall

In July, the rain falls for 21.1 days. Throughout July, 3.54" (90mm) of precipitation is accumulated. Throughout the year, there are 197.7 rainfall days, and 36.69" (932mm) of precipitation is accumulated.

Snowfall

In Castlewood, snow does not fall in May through September.

Daylight

In Castlewood, the average length of the day in July is 14h and 24min.
On the first day of July in Castlewood, sunrise is at 6:13 am and sunset at 8:52 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 8:36 pm EDT.

Sunshine

In July, the average sunshine is 9.9h.

UV index

In Castlewood, the average daily maximum UV index in July is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum high UV index of 5 in July translates into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Updated: Aug 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

July, marked by an average high-temperature of 83.5°F (28.6°C) and a low-temperature of 60.4°F (15.8°C), is the warmest month.

The average high-temperature and low-temperature in Castlewood during July are 83.5°F (28.6°C) and 60.4°F (15.8°C) respectively. In July, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, is computed to be 91.4°F (33°C).

In July, the average relative humidity is 77%.

In Castlewood, during July, the rain falls for 21.1 days and regularly aggregates up to 3.54" (90mm) of precipitation.

May through September are months without snowfall.

In July, the average day length is 14h and 24min.

In July, on the first day of the month, sunrise is at 6:13 am and sunset at 8:52 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 8:36 pm EDT.

In Castlewood, the average sunshine duration in July is 9.9h.

In Castlewood, the average daily maximum UV index in July is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Castlewood, VA

  • Average high temperature in July: 83.5°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (40.5°F).

  • Average low temperature in July: 60.4°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).

Average pressure in July
Castlewood, 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
Castlewood, VA

  • Average wind speed in July: 4.3mph

The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

Average humidity in July
Castlewood, VA

  • Average humidity in July: 77%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is November (76%).

Average rainfall in July
Castlewood, VA

  • Average rainfall in July: 3.54"

The wettest month (with the highest rainfall) is February (3.86").
The driest month (with the least rainfall) is September (2.01").

Average rainfall days in July
Castlewood, VA

  • Average rainfall days in July: 21.1 days

The months with the highest number of rainy days are May and July (21.1 days).
The month with the least rainy days is November (11.6 days).

Average snowfall in July
Castlewood, VA

  • Average snowfall in July: 0"

The month with the highest snowfall is February (5.08").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in July
Castlewood, VA

  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in July /
Average sunshine in July
Castlewood, VA

  • Average daylight in July: 14h and 24min

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 42min).

  • Average sunshine in July: 9h and 54min

The months with the most sunshine are June and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

Average sunshine days in July
Castlewood, VA

  • Average sunshine days in July: 8.5 days

The months with the most sunshine days are October and November (15 days).
The month with the least sunshine days is February (7.7 days).

Average UV index in July
Castlewood, VA

  • Average UV index in July: 5

The months with the highest UV index are June and 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
Castlewood, VA

  • Average cloud cover in July: 38

The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in July
Castlewood, VA

  • Average visibility in July: 5mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).