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 signals a shift in the average high-temperature, moving from April's enjoyable 64°F (17.8°C) to a warm 74.8°F (23.8°C). Harley experiences a consistent average temperature of 53.8°F (12.1°C) throughout the nights in May.Humidity
In Harley, the average relative humidity in May is 78%.Rainfall
May is the month with the most rainfall in Harley. Rain falls for 21.3 days and accumulates 4.37" (111mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Harley. May is the last month it regularly snows in Harley. During 0.1 snowfall days, in May, Harley aggregates 0.28" (7mm) of snow. In Harley, West Virginia, during the entire year, snow falls for 46.8 days and aggregates up to 20.04" (509mm) of snow.Daylight
The average length of the day in May is 14h and 17min.On the first day of the month, sunrise is at 6:26 am and sunset at 8:17 pm. On the last day of May, sunrise is at 6:02 am and sunset at 8:43 pm EDT.
Sunshine
In May, the average sunshine is 8.9h.UV index
In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: During May, 5 as the daily maximum UV index converts into the following advice:
Undertake precautions - It is suggested to shield oneself from sunburn. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Harley?
What is the average humidity in May in Harley?
What is the rainiest month in Harley?
How much does it rain in Harley in May?
What is the last month it snows in Harley?
What is the average length of the day in May in Harley?
When are sunrise and sunset in May in Harley?
How long on average sun shines in May in Harley?
How high is the UV index in May in Harley?
Average temperature in May
Harley, WV
- Average high temperature in May: 74.8°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in May: 53.8°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in May
Harley, WV
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in May
Harley, WV
- Average wind speed in May: 5.5mph
The windiest month (with the highest average wind speed) is February (6.7mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in May
Harley, WV
- Average humidity in May: 78%
The months with the highest relative humidity are January and February (82%).
The months with the lowest relative humidity are June and August (76%).
Average rainfall in May
Harley, WV
- Average rainfall in May: 4.37"
The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in May
Harley, WV
- Average rainfall days in May: 21.3 days
The month with the highest number of rainy days is May (21.3 days).
The month with the least rainy days is November (11.5 days).
Average snowfall in May
Harley, WV
- Average snowfall in May: 0.28"
The month with the highest snowfall is January (5.39").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Harley, WV
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (14 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Harley, WV
- Average daylight in May: 14h and 2min
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: 8h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in May
Harley, WV
- Average sunshine days in May: 7.9 days
The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is May (7.9 days).
Average UV index in May
Harley, WV
- Average UV index in May: 5
The months with the highest UV index are 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
Harley, WV
- Average cloud cover in May: 44
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in May
Harley, WV
- Average visibility in May: 5mi
The months with the highest visibility are April and November (6mi).
The month with the lowest visibility is January (4mi).
Harley, West Virginia, USA
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