May weather forecastJamestown, VA
May
Weather in May
The last month of the spring, May, is a moderately hot month in Jamestown, Virginia, with an average temperature fluctuating between 76.1°F (24.5°C) and 59.2°F (15.1°C).Temperature
As April transitions into May, Jamestown sees a rise in the average high-temperature, moving from an enjoyable 66.7°F (19.3°C) to a warm 76.1°F (24.5°C). During the nights in May, Jamestown observes an average low-temperature of 59.2°F (15.1°C).Humidity
The average relative humidity in May is 77%.Rainfall
In May, the rain falls for 15.9 days. Throughout May, 1.85" (47mm) of precipitation is accumulated. Throughout the year, there are 148.7 rainfall days, and 20.35" (517mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In May, the average length of the day is 14h and 11min.On the first day of May, sunrise is at 6:11 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 8:21 pm EDT.
Sunshine
In May, the average sunshine is 9.5h.UV index
In Jamestown, the average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A daily high UV index of 6 in May leads to these guidelines:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Jamestown, VA
- Average high temperature in May: 76.1°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (45.1°F).
- Average low temperature in May: 59.2°F
The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in May
Jamestown, VA
- Average pressure in May: 30.02"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in May
Jamestown, VA
- Average wind speed in May: 7.5mph
The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in May
Jamestown, VA
- Average humidity in May: 77%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (73%).
Average rainfall in May
Jamestown, VA
- Average rainfall in May: 1.85"
The wettest month (with the highest rainfall) is August (2.36").
The driest months (with the least rainfall) are October and December (1.38").
Average rainfall days in May
Jamestown, VA
- Average rainfall days in May: 15.9 days
The month with the highest number of rainy days is August (16.3 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in May
Jamestown, VA
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.87").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Jamestown, VA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (3.1 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight in May /
Average sunshine in May
Jamestown, VA
- Average daylight in May: 14h and 12min
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 May: 9h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days in May
Jamestown, VA
- Average sunshine days in May: 12.8 days
The months with the most sunshine days are October and November (19.7 days).
The month with the least sunshine days is August (12.2 days).
Average UV index in May
Jamestown, VA
- Average UV index in May: 6
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in May
Jamestown, VA
- Average cloud cover in May: 39
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in May
Jamestown, VA
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
