May weather forecastYorktown, VA
May
Weather in May
In May, Yorktown experiences a transition from spring to the beginnings of summer. The rising temperatures and humidity make the city warmer and breezier. The rainfall accumulation of 3.15" (80mm) continues to nurture flora and fauna, making this an excellent period for nature lovers. Meanwhile, the lengthening daylight hours and enhanced ultraviolet index signal the approaching summer. The weather also becomes relatively stable, devoid of extreme fluctuations or sudden temperature dips.Temperature
The rise of average high-temperatures is seen in May, with an increase from a comfortable 65.8°F (18.8°C) in April to a warm 74.8°F (23.8°C). Yorktown encounters a steady low-temperature average of 60.1°F (15.6°C) throughout the month of May.Humidity
The average relative humidity in May is 77%.Rainfall
In May, the rain falls for 17.6 days. Throughout May, 3.15" (80mm) of precipitation is accumulated. In Yorktown, during the entire year, the rain falls for 165.3 days and collects up to 34.25" (870mm) of precipitation.Snowfall
In Yorktown, snow does not fall in April through October.Ocean temperature
In Yorktown, the average seawater temperature in May is 61.9°F (16.6°C).Note: Most people do not take pleasure in swimming in water at 61.9°F (16.6°C). The difficulty of managing breathing increases as the water temperature dips from 69.8°F (21°C) to 59°F (15°C).
Daylight
In May, the average length of the day is 14h and 11min.On the first day of the month, sunrise is at 6:10 am and sunset at 7:55 pm. On the last day of May, sunrise is at 5:47 am and sunset at 8:20 pm EDT.
Sunshine
In Yorktown, the average sunshine in May is 9.4h.UV index
The average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: An average maximum UV index of 6 in May leads to these recommendations:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. 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 May
Yorktown, VA
- Average high temperature in May: 74.8°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (45.1°F).
- Average low temperature in May: 60.1°F
The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).
Average pressure in May
Yorktown, VA
- Average pressure in May: 30.02"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in May
Yorktown, VA
- Average wind speed in May: 8.3mph
The windiest month (with the highest average wind speed) is April (9.5mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in May
Yorktown, 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 (72%).
Average rainfall in May
Yorktown, VA
- Average rainfall in May: 3.15"
The wettest month (with the highest rainfall) is August (3.62").
The driest month (with the least rainfall) is September (2.4").
Average rainfall days in May
Yorktown, VA
- Average rainfall days in May: 17.6 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is November (9.6 days).
Average snowfall in May
Yorktown, VA
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.34").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Yorktown, VA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in May
Yorktown, VA
- Average sea temperature in May: 61.9°F
The best month for swimming (with the highest average sea temperature) is August (79.6°F).
The coldest month (with the lowest average sea temperature) is February (48.7°F).
Average daylight in May /
Average sunshine in May
Yorktown, 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 24min
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 12min).
Average sunshine days in May
Yorktown, VA
- Average sunshine days in May: 11.5 days
The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is May (11.5 days).
Average UV index in May
Yorktown, VA
- Average UV index in May: 6
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in May
Yorktown, 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
Yorktown, 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).
