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
May shows a rise in the average high-temperature, moving from April's refreshing 61.3°F (16.3°C) to a pleasant 72.7°F (22.6°C). In May, McMechen encounters an average low-temperature of 51.4°F (10.8°C) during the night.Humidity
In McMechen, the average relative humidity in May is 79%.Rainfall
In McMechen, in May, during 20.8 rainfall days, 3.54" (90mm) of precipitation is typically accumulated. In McMechen, during the entire year, the rain falls for 186.2 days and collects up to 35.16" (893mm) of precipitation.Snowfall
In McMechen, snow does not fall in May through October.Daylight
The average length of the day in May is 14h and 25min.On the first day of the month, sunrise is at 6:21 am and sunset at 8:18 pm. On the last day of May, sunrise is at 5:56 am and sunset at 8:45 pm EDT.
Sunshine
In May, the average sunshine is 8.5h.UV index
In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In May, the maximum UV index of 5 transforms into these recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Around midday, solar radiation is most harmful; hence, exposure should be limited. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
Does it snow in May?
How many hours of daylight does McMechen have in May?
What time are sunrise and sunset in May?
How many hours of sunshine does McMechen have in May?
What is the UV index intensity in May?
Average temperature in May
McMechen, WV
- Average high temperature in May: 72.7°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (34.5°F).
- Average low temperature in May: 51.4°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).
Average pressure in May
McMechen, WV
- Average pressure in May: 30"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
McMechen, WV
- Average wind speed in May: 5.7mph
The windiest month (with the highest average wind speed) is January (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in May
McMechen, WV
- Average humidity in May: 79%
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are April and August (77%).
Average rainfall in May
McMechen, WV
- Average rainfall in May: 3.54"
The wettest month (with the highest rainfall) is April (3.7").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days in May
McMechen, WV
- Average rainfall days in May: 20.8 days
The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is November (11.3 days).
Average snowfall in May
McMechen, WV
- Average snowfall in May: 0"
The month with the highest snowfall is January (5.31").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
McMechen, WV
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (15.7 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
McMechen, WV
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in May: 8h and 3min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in May
McMechen, WV
- Average sunshine days in May: 8.4 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is May (8.4 days).
Average UV index in May
McMechen, WV
- Average UV index in May: 5
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
McMechen, WV
- Average cloud cover in May: 47
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in May
McMechen, WV
- Average visibility in May: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).
McMechen, West Virginia, USA
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