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
Erin's May weather shows an increase in high-temperatures, moving from April's comfortable 63.7°F (17.6°C) to a pleasant 72.9°F (22.7°C). An average low-temperature of 52.2°F (11.2°C) is recorded in the month of May.Humidity
In May, the average relative humidity in Erin, West Virginia, is 78%.Rainfall
The month with the most rainfall is May, when the rain falls for 19.7 days and typically aggregates up to 3.19" (81mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Erin, West Virginia. During 0.3 snowfall days, in May, Erin aggregates 0.39" (10mm) of snow. In Erin, during the entire year, snow falls for 38.6 days and aggregates up to 20" (508mm) of snow.Daylight
In May, the average length of the day is 14h and 12min.On the first day of May, sunrise is at 6:30 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 8:41 pm EDT.
Sunshine
In May, the average sunshine in Erin, West Virginia, is 9.1h.UV index
In Erin, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: In May, the UV index of 5 transforms into the following advice:
Heed the precautions - It is counselled to guard against solar damage. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Erin?
What is the average humidity in May in Erin?
What is the wettest month in Erin?
How many days does it rain in May in Erin?
What is the last month it snows in Erin?
How many hours of daylight does Erin have in May?
When is the sunrise / sunset in May in Erin?
How many hours of sunshine does Erin have in May?
What is the UV index intensity in May in Erin?
Average temperature in May
Erin, WV
- Average high temperature in May: 72.9°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (39.2°F).
- Average low temperature in May: 52.2°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in May
Erin, WV
- Average pressure in May: 30.03"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in May
Erin, WV
- Average wind speed in May: 5.9mph
The windiest month (with the highest average wind speed) is January (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in May
Erin, WV
- Average humidity in May: 78%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are July, August and November (76%).
Average rainfall in May
Erin, WV
- Average rainfall in May: 3.19"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in May
Erin, WV
- Average rainfall days in May: 19.7 days
The month with the highest number of rainy days is May (19.7 days).
The months with the least rainy days are January and November (10.1 days).
Average snowfall in May
Erin, WV
- Average snowfall in May: 0.39"
The month with the highest snowfall is December (4.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Erin, WV
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Erin, WV
- Average daylight in May: 14h and 1min
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 36min).
- Average sunshine in May: 9h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in May
Erin, WV
- Average sunshine days in May: 9.2 days
The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is May (9.2 days).
Average UV index in May
Erin, WV
- Average UV index in May: 5
The months with the highest UV index are June 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
Erin, WV
- Average cloud cover in May: 43
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are June and August (Cloud cover 36).
Average visibility in May
Erin, WV
- Average visibility in May: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Erin, West Virginia, USA
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