May weather forecast
West Union, WV

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Weather in May

May, the last month of the spring in West Union, is an agreeable month, with an average temperature fluctuating between 73°F (22.8°C) and 52.3°F (11.3°C).

Temperature

With the onset of May, West Union's weather sees a temperature rise, transitioning from a comfortable 62.1°F (16.7°C) in April to an agreeable 73°F (22.8°C). West Union, during the month of May, experiences an average low-temperature of 52.3°F (11.3°C).

Humidity

The average relative humidity in May is 79%.

Rainfall

May is the month with the most rainfall in West Union, West Virginia. Rain falls for 20.6 days and accumulates 4.57" (116mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, West Union aggregates 0.55" (14mm) of snow. Throughout the year, in West Union, there are 58.9 snowfall days, and 29.41" (747mm) of snow is accumulated.

Daylight

In West Union, the average length of the day in May is 14h and 21min.
On the first day of May, sunrise is at 6:23 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 8:43 pm EDT.

Sunshine

In West Union, the average sunshine in May is 8.6h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in West Union. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index of 6 during May translates into these guidelines:
Guard against overexposure. Protection from sun-induced harm is essential. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May in West Union?

May temperatures in West Union, West Virginia, vary between a high-temperature of 73°F (22.8°C) and a low-temperature of 52.3°F (11.3°C).

What is the average humidity in May in West Union?

In May, the average relative humidity in West Union, West Virginia, is 79%.

What is the rainiest month in West Union?

The month with the most rainfall in West Union is May, when the rain falls for 20.6 days and typically aggregates up to 4.57" (116mm) of precipitation.

How much does it rain in West Union in May?

In West Union, West Virginia, during May, the rain falls for 20.6 days and regularly aggregates up to 4.57" (116mm) of precipitation.

What is the last month it snows in West Union?

May is the last month it regularly snows. During 0.2 snowfall days, in May, West Union aggregates 0.55" (14mm) of snow.

What is the average length of the day in May in West Union?

In West Union, West Virginia, the average day length in May is 14h and 21min.

What time are sunrise and sunset in May in West Union?

In May, on the first day of the month, sunrise is at 6:23 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 8:43 pm EDT.

How long on average sun shines in May in West Union?

In May, the average sunshine duration in West Union is 8.6h.

What is the month with the highest UV index in West Union?

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

How high is the UV index in May in West Union?

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

Average temperature in May
West Union, WV

Average temperature in May - West Union, WV
  • Average high temperature in May: 73°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 (36.1°F).

  • Average low temperature in May: 52.3°F

The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (23°F).

Average pressure in May
West Union, WV

Average pressure in May - West Union, WV
  • Average pressure in May: 30"Hg

The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in May
West Union, WV

Average wind speed in May - West Union, WV
  • Average wind speed in May: 5.4mph

The windiest months (with the highest average wind speed) are January and February (6.8mph).
The calmest month (with the lowest average wind speed) is August (4mph).

Average humidity in May
West Union, WV

Average humidity in May - West Union, WV
  • Average humidity in May: 79%

The months with the highest relative humidity are January and February (83%).
The months with the lowest relative humidity are June, August and November (77%).

Average rainfall in May
West Union, WV

Average rainfall in May - West Union, WV
  • Average rainfall in May: 4.57"

The wettest month (with the highest rainfall) is May (4.57").
The driest month (with the least rainfall) is September (2.24").

Average rainfall days in May
West Union, WV

Average rainfall days in May - West Union, WV
  • Average rainfall days in May: 20.6 days

The month with the highest number of rainy days is May (20.6 days).
The month with the least rainy days is November (11.4 days).

Average snowfall in May
West Union, WV

Average snowfall in May - West Union, WV
  • Average snowfall in May: 0.55"

The month with the highest snowfall is January (7.44").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
West Union, WV

Average snowfall days in May - West Union, WV
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is January (17.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
West Union, WV

Average daylight in May / Average sunshine in May - West Union, 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 4min

The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

Average sunshine days in May
West Union, WV

Average sunshine days in May - West Union, WV
  • Average sunshine days in May: 8.8 days

The month with the most sunshine days is November (14.9 days).
The month with the least sunshine days is January (7.4 days).

Average UV index in May
West Union, WV

Average UV index in May - West Union, 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, November and December (UV index 2).

Average cloud cover in May
West Union, WV

Average cloud cover in May - West Union, WV
  • Average cloud cover in May: 46

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
West Union, WV

Average visibility in May - West Union, 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).

West Union, West Virginia, USA

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