August weather forecastJames City, PA
August
Weather in August
August, the last month of the summer in James City, is another warm month, with an average temperature varying between 55°F (12.8°C) and 76.6°F (24.8°C).Temperature
As July turns into August, the average high-temperatures rest at a still warm 76.6°F (24.8°C), showing a minor variation from the prior month. James City, amidst the high August temperatures, experiences a substantial shift to an average nighttime low of 55°F (12.8°C).Humidity
In August, the average relative humidity is 80%.Rainfall
In James City, in August, during 16.9 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. Throughout the year, there are 179.4 rainfall days, and 35.59" (904mm) of precipitation is accumulated.Snowfall
In James City, snow does not fall in June through September.Daylight
In James City, the average length of the day in August is 13h and 48min.On the first day of August, sunrise is at 6:10 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 6:41 am and sunset at 7:49 pm EDT.
Sunshine
In James City, the average sunshine in August is 9.5h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: In August, the average maximum UV index of 5 translates into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
James City, PA
- Average high temperature in August: 76.6°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in August: 55°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).
Average pressure in August
James City, PA
- Average pressure in August: 29.99"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in August
James City, PA
- Average wind speed in August: 5.5mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in August
James City, PA
- Average humidity in August: 80%
The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are May, June and July (79%).
Average rainfall in August
James City, PA
- Average rainfall in August: 2.32"
The wettest month (with the highest rainfall) is April (4.09").
The driest month (with the least rainfall) is September (2.24").
Average rainfall days in August
James City, PA
- Average rainfall days in August: 16.9 days
The month with the highest number of rainy days is May (20.7 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in August
James City, PA
- Average snowfall in August: 0"
The month with the highest snowfall is February (13.66").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
James City, PA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (23.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
James City, PA
- Average daylight in August: 13h and 48min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in August: 9h and 30min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in August
James City, PA
- Average sunshine days in August: 11.2 days
The month with the most sunshine days is September (12.1 days).
The month with the least sunshine days is January (4.5 days).
Average UV index in August
James City, PA
- Average UV index in August: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in August
James City, PA
- Average cloud cover in August: 42
The month with the most cloud cover is January (Cloud cover 79).
The months with the least cloud cover are July and August (Cloud cover 42).
Average visibility in August
James City, PA
- Average visibility in August: 4mi
The months with the highest visibility are March, April, May, June, July, October and November (5mi).
The months with the lowest visibility are January, February, August, September and December (4mi).
