Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
The shift from April to May is marked by an increase in the average high-temperature, moving from a fresh 53.4°F (11.9°C) to a refreshing 66.6°F (19.2°C). The average low-temperature of 46°F (7.8°C) is witnessed in James City during May.Humidity
The months with the lowest humidity are May through July, with an average relative humidity of 79%.Rainfall
In James City, in May, during 20.7 rainfall days, 3.23" (82mm) of precipitation is typically accumulated. In James City, during the entire year, the rain falls for 179.4 days and collects up to 35.59" (904mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.9 snowfall days, in May, James City aggregates 0.51" (13mm) of snow. In James City, during the entire year, snow falls for 99.3 days and aggregates up to 56.69" (1440mm) of snow.Daylight
The average length of the day in May is 14h and 33min.On the first day of May, sunrise is at 6:10 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 8:42 pm EDT.
Sunshine
In James City, the average sunshine in May is 8.1h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In May, the UV index of 5 transforms into the following advice:
Take necessary precautions - Defending against sun damage is advocated. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in James City in May?
What is the least humid month?
What is the average humidity in May?
How many days does it rain in May?
What is the last month it snows?
How many hours of daylight does James City have in May?
What time are sunrise and sunset in May?
How long on average sun shines in May?
When is the highest UV index?
What is the UV index reading in May?
Average temperature in May
James City, PA
- Average high temperature in May: 66.6°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 May: 46°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 May
James City, PA
- Average pressure in May: 30"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 May
James City, PA
- Average wind speed in May: 7.1mph
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 May
James City, PA
- Average humidity in May: 79%
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 May
James City, PA
- Average rainfall in May: 3.23"
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 May
James City, PA
- Average rainfall days in May: 20.7 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 May
James City, PA
- Average snowfall in May: 0.51"
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 May
James City, PA
- Average snowfall days in May: 0.9 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 May /
Average sunshine in May
James City, PA
- Average daylight in May: 14h and 3min
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 May: 8h and 1min
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 May
James City, PA
- Average sunshine days in May: 8.5 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 May
James City, PA
- Average UV index in May: 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 May
James City, PA
- Average cloud cover in May: 51
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 May
James City, PA
- Average visibility in May: 5mi
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).
James City, Pennsylvania, USA
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