July weather forecastJames City, NC
July
Weather in July
July in James City, North Carolina, is a hot summer month, with an average temperature varying between 72.7°F (22.6°C) and 89.2°F (31.8°C).Temperature
James City witnesses the warmest weather in July, with temperatures averaging a high of 89.2°F (31.8°C) and a low of 72.7°F (22.6°C).Heat index
For July, the heat index is appraised at a blisteringly hot 107.6°F (42°C). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.Consider that heat index readings are for situations in the shade and light wind. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', evaluates the perceived heat by adding the effect of moisture in the air. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. 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. Excessive relative humidity disturbs the body's typical cooling process by reducing evaporation, leading to a decrease in body cooling rate and an increase in the sensation of warmth. When body temperature rises due to excess heat gain beyond its removal capability, one might experience heat-related disorders.
Humidity
The average relative humidity in July in James City is 77%.Rainfall
In James City, North Carolina, in July, during 20.1 rainfall days, 3.19" (81mm) of precipitation is typically accumulated. Throughout the year, in James City, there are 151.4 rainfall days, and 23.23" (590mm) of precipitation is accumulated.Snowfall
April through October and December are months without snowfall.Daylight
The average length of the day in July in James City is 14h and 15min.On the first day of the month, sunrise is at 5:57 am and sunset at 8:26 pm. On the last day of July, in James City, sunrise is at 6:17 am and sunset at 8:11 pm EDT.
Sunshine
The average sunshine in July in James City, North Carolina, is 10.5h.UV index
The months with the highest UV index are June and July, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum daily UV index of 7 during July morphs into the following directions:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
James City, NC
- Average high temperature in July: 89.2°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (51.4°F).
- Average low temperature in July: 72.7°F
The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (36°F).
Average pressure in July
James City, NC
- Average pressure in July: 29.99"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in July
James City, NC
- Average wind speed in July: 5.9mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in July
James City, NC
- Average humidity in July: 77%
The months with the highest relative humidity are August and December (79%).
The month with the lowest relative humidity is April (74%).
Average rainfall in July
James City, NC
- Average rainfall in July: 3.19"
The wettest month (with the highest rainfall) is August (3.39").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in July
James City, NC
- Average rainfall days in July: 20.1 days
The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is October (8.2 days).
Average snowfall in July
James City, NC
- Average snowfall in July: 0"
The month with the highest snowfall is February (0.59").
The months with the least snowfall are April, May, June, July, August, September, October and December (0").
Average snowfall days in July
James City, NC
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (1.1 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
James City, NC
- Average daylight in July: 14h and 12min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in July: 10h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in July
James City, NC
- Average sunshine days in July: 8.5 days
The month with the most sunshine days is October (20.8 days).
The month with the least sunshine days is July (8.5 days).
Average UV index in July
James City, NC
- Average UV index in July: 7
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in July
James City, NC
- Average cloud cover in July: 33
The months with the most cloud cover are February, March and December (Cloud cover 43).
The month with the least cloud cover is June (Cloud cover 32).
Average visibility in July
James City, NC
- Average visibility in July: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).





