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
As May begins, there is an increase in the average high-temperature, moving from a refreshing 57.7°F (14.3°C) in April to a pleasant 68.2°F (20.1°C). Nighttime temperature experiences an average drop to a chilly 49.1°F (9.5°C) in May.Humidity
In May, the average relative humidity in Porterwood is 81%.Rainfall
The month with the most rainfall is May, when the rain falls for 22 days and typically aggregates up to 4.02" (102mm) of precipitation.Snowfall
Months with snowfall in Porterwood are January through May, October through December. May is the last month it regularly snows in Porterwood. During 0.4 snowfall days, in May, Porterwood aggregates 0.83" (21mm) of snow. In Porterwood, West Virginia, during the entire year, snow falls for 63.8 days and aggregates up to 38.74" (984mm) of snow.Daylight
In Porterwood, the average length of the day in May is 14h and 20min.On the first day of May in Porterwood, sunrise is at 6:19 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 8:38 pm EDT.
Sunshine
The average sunshine in May is 8.5h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: In May, a daily UV index of 5 turns into the following recommendations:
Take precautions - Protection against sun damage is advised. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
What is the temperature in May in Porterwood?
What is the average humidity in May in Porterwood?
What is the wettest month in Porterwood?
How much does it rain in Porterwood in May?
What is the last month it snows in Porterwood?
What is the average length of the day in May in Porterwood?
What time are sunrise and sunset in May in Porterwood?
How long on average sun shines in May in Porterwood?
What is the month with the highest UV index in Porterwood?
What is the UV index intensity in May in Porterwood?
Average temperature in May
Porterwood, WV
- Average high temperature in May: 68.2°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (33.6°F).
- Average low temperature in May: 49.1°F
The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in May
Porterwood, WV
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in May
Porterwood, WV
- Average wind speed in May: 6.2mph
The windiest months (with the highest average wind speed) are January and February (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in May
Porterwood, WV
- Average humidity in May: 81%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are June, July and November (79%).
Average rainfall in May
Porterwood, WV
- Average rainfall in May: 4.02"
The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in May
Porterwood, WV
- Average rainfall days in May: 22 days
The month with the highest number of rainy days is May (22 days).
The month with the least rainy days is February (11.2 days).
Average snowfall in May
Porterwood, WV
- Average snowfall in May: 0.83"
The month with the highest snowfall is January (8.86").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Porterwood, WV
- Average snowfall days in May: 0.4 days
The month with the highest number of snowfall days is January (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Porterwood, WV
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 8h and 3min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in May
Porterwood, WV
- Average sunshine days in May: 7.2 days
The months with the most sunshine days are October and November (13.3 days).
The month with the least sunshine days is January (6.5 days).
Average UV index in May
Porterwood, WV
- 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, February, March, November and December (UV index 2).
Average cloud cover in May
Porterwood, WV
- Average cloud cover in May: 49
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in May
Porterwood, WV
- Average visibility in May: 5mi
The months with the highest visibility are March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are January, February and September (4mi).
Porterwood, West Virginia, USA
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