May weather forecastHenderson, WV
May
Weather in May
May is characterized by an ascent in temperature as Henderson moves closer to summer. Residents enjoy the warmer weather, and outdoor activities flourish as the surrounding landscape is vibrant and aromatic. With daylight hours stretching to a notable 14.3 hours, longer sunny days pave the way for outdoor activities and family picnics. Even though the town receives average rainfall during May, it hardly plays spoilsport to the outdoor fun. May marks the departure from the erratic spring weather, settling into a more predictable warmth.Temperature
May's onset is marked by a temperature increase, moving from an enjoyable 64.8°F (18.2°C) in April to a warm 75.6°F (24.2°C). Throughout May, an average nighttime temperature of 54.3°F (12.4°C) is experienced.Humidity
In May, the average relative humidity is 78%.Rainfall
The month with the most rainfall is May, when the rain falls for 19.3 days and typically aggregates up to 3.27" (83mm) of precipitation.Snowfall
In Henderson, snow does not fall in May through October.Daylight
In May, the average length of the day is 14h and 19min.On the first day of May in Henderson, sunrise is at 6:29 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 8:47 pm EDT.
Sunshine
In May, the average sunshine in Henderson is 9h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the ordinary person.Note: In May, a regular UV index of 6 translates into these guidelines:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Henderson, WV
- Average high temperature in May: 75.6°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in May: 54.3°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in May
Henderson, WV
- Average pressure in May: 30"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in May
Henderson, WV
- Average wind speed in May: 5.7mph
The windiest month (with the highest average wind speed) is February (7mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in May
Henderson, WV
- Average humidity in May: 78%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is August (74%).
Average rainfall in May
Henderson, WV
- Average rainfall in May: 3.27"
The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in May
Henderson, WV
- Average rainfall days in May: 19.3 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is November (10.1 days).
Average snowfall in May
Henderson, WV
- Average snowfall in May: 0"
The month with the highest snowfall is February (2.09").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Henderson, WV
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Henderson, WV
- Average daylight in May: 14h and 18min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 9h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in May
Henderson, WV
- Average sunshine days in May: 9.6 days
The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is February (9.2 days).
Average UV index in May
Henderson, WV
- Average UV index in May: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in May
Henderson, WV
- Average cloud cover in May: 44
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in May
Henderson, WV
- Average visibility in May: 5mi
The months with the highest visibility are April, June and November (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September, October and December (5mi).
