May weather forecast
Yolyn, WV

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Weather in May

The last month of the spring, May, is a warm month in Yolyn, West Virginia, with an average temperature fluctuating between 75.2°F (24°C) and 53.6°F (12°C).

Temperature

The start of May is characterized by an increase in the average high-temperature, transitioning from an enjoyable 65.5°F (18.6°C) in April to a moderately hot 75.2°F (24°C). Throughout May, Yolyn registers a distinct decrease from daytime highs, reaching an average low of 53.6°F (12°C).

Humidity

In May, the average relative humidity in Yolyn is 78%.

Rainfall

May is the month with the most rainfall. Rain falls for 20.2 days and accumulates 3.74" (95mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Yolyn, West Virginia. May is the last month it regularly snows in Yolyn. During 0.2 snowfall days, in May, Yolyn aggregates 0.04" (1mm) of snow. Throughout the year, there are 38.9 snowfall days, and 17.48" (444mm) of snow is accumulated.

Daylight

In Yolyn, the average length of the day in May is 14h and 14min.
On the first day of the month, sunrise is at 6:30 am and sunset at 8:18 pm. On the last day of May, sunrise is at 6:07 am and sunset at 8:43 pm EDT.

Sunshine

The average sunshine in May is 9h.

UV index

The months with the highest UV index in Yolyn are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily high UV index of 6 in May translates into this advice:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Experience reduced UV exposure by about half when donning a wide-brim hat. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures in Yolyn?

An average high-temperature, in May, in Yolyn, is 75.2°F (24°C) and the average low-temperature is 53.6°F (12°C).

What is the average humidity in May in Yolyn?

In May, the average relative humidity is 78%.

What is the wettest month in Yolyn?

May is the month with the most rainfall in Yolyn, West Virginia. Rain falls for 20.2 days and accumulates 3.74" (95mm) of precipitation.

How many days does it rain in May in Yolyn?

In Yolyn, in May, during 20.2 rainfall days, 3.74" (95mm) of precipitation is typically accumulated.

What is the last month it snows in Yolyn?

May is the last month it regularly snows in Yolyn. During 0.2 snowfall days, in May, Yolyn aggregates 0.04" (1mm) of snow.

How many hours of daylight does Yolyn have in May?

The average day length in May in Yolyn, West Virginia, is 14h and 14min.

When is the sunrise / sunset in May in Yolyn?

In May, on the first day of the month, sunrise is at 6:30 am and sunset at 8:18 pm. On the last day of the month, in Yolyn, sunrise is at 6:07 am and sunset at 8:43 pm EDT.

How long on average sun shines in May in Yolyn?

In May, the average sunshine duration in Yolyn, West Virginia, is 9h.

What is the month with the highest UV index in Yolyn?

The months with the highest UV index are May through August, with an average maximum UV index of 6.

What is the UV index intensity in May in Yolyn?

The average daily maximum UV index in May in Yolyn is 6. A UV Index value of 6 to 7 symbolizes a high health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Yolyn, WV

Average temperature in May - Yolyn, WV
  • Average high temperature in May: 75.2°F

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (39.7°F).

  • Average low temperature in May: 53.6°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

Average pressure in May
Yolyn, WV

Average pressure in May - Yolyn, WV
  • Average pressure in May: 30.02"Hg

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed in May
Yolyn, WV

Average wind speed in May - Yolyn, WV
  • Average wind speed in May: 5.5mph

The windiest months (with the highest average wind speed) are January, February and April (6.5mph).
The calmest month (with the lowest average wind speed) is August (4mph).

Average humidity in May
Yolyn, WV

Average humidity in May - Yolyn, WV
  • Average humidity in May: 78%

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April, June, July, August and November (76%).

Average rainfall in May
Yolyn, WV

Average rainfall in May - Yolyn, WV
  • Average rainfall in May: 3.74"

The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is September (1.85").

Average rainfall days in May
Yolyn, WV

Average rainfall days in May - Yolyn, WV
  • Average rainfall days in May: 20.2 days

The month with the highest number of rainy days is May (20.2 days).
The month with the least rainy days is November (10.8 days).

Average snowfall in May
Yolyn, WV

Average snowfall in May - Yolyn, WV
  • Average snowfall in May: 0.04"

The month with the highest snowfall is January (4.53").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Yolyn, WV

Average snowfall days in May - Yolyn, WV
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is January (11.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Yolyn, WV

Average daylight in May / Average sunshine in May - Yolyn, 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 0min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in May
Yolyn, WV

Average sunshine days in May - Yolyn, WV
  • Average sunshine days in May: 9.7 days

The months with the most sunshine days are October and November (17 days).
The month with the least sunshine days is February (8.8 days).

Average UV index in May
Yolyn, WV

Average UV index in May - Yolyn, 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
Yolyn, WV

Average cloud cover in May - Yolyn, WV
  • Average cloud cover in May: 43

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in May
Yolyn, WV

Average visibility in May - Yolyn, 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).

Yolyn, West Virginia, USA

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