May weather forecast
Gaston Junction, WV

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Weather in May

May, the last month of the spring in Gaston Junction, is a pleasant month, with an average temperature ranging between min 51.4°F (10.8°C) and max 72.1°F (22.3°C).

Temperature

May indicates a change in the average high-temperature, moving up from a refreshing 61.3°F (16.3°C) in April to a pleasant 72.1°F (22.3°C). An average low-temperature of 51.4°F (10.8°C) is anticipated throughout the nights during May.

Humidity

The average relative humidity in May is 79%.

Rainfall

May is the month with the most rainfall. Rain falls for 20.3 days and accumulates 4.21" (107mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.2 snowfall days, in May, Gaston Junction aggregates 0.51" (13mm) of snow. Throughout the year, there are 58.4 snowfall days, and 29.09" (739mm) of snow is accumulated.

Daylight

The average length of the day in May is 14h and 22min.
On the first day of May, sunrise is at 6:20 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 8:41 pm EDT.

Sunshine

In May, the average sunshine is 8.5h.

UV index

The months with the highest UV index are May through July, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: In May, the maximum UV index of 6 suggests this advice:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Updated: Aug 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature?

During May, Gaston Junction experiences an average high-temperature of 72.1°F (22.3°C) and a low-temperature of 51.4°F (10.8°C).

What is the average humidity in May?

The average relative humidity in May is 79%.

What is the wettest month?

The month with the most rainfall is May, when the rain falls for 20.3 days and typically aggregates up to 4.21" (107mm) of precipitation.

How many days does it rain in May?

In Gaston Junction, during May, the rain falls for 20.3 days and regularly aggregates up to 4.21" (107mm) of precipitation.

What is the last month it snows?

May is the last month it regularly snows in Gaston Junction. During 0.2 snowfall days, in May, Gaston Junction aggregates 0.51" (13mm) of snow.

How many hours of daylight does Gaston Junction have in May?

The average day length in May is 14h and 22min.

What time are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:20 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 8:41 pm EDT.

How long on average sun shines in May?

In May, the average sunshine duration is 8.5h.

What are the months with the highest UV index?

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

How high is the UV index in May?

In May, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation.
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
Gaston Junction, WV

Average temperature in May - Gaston Junction, WV
  • Average high temperature in May: 72.1°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (35.6°F).

  • Average low temperature in May: 51.4°F

The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).

Average pressure in May
Gaston Junction, WV

Average pressure in May - Gaston Junction, 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 (29.96"Hg).

Average wind speed in May
Gaston Junction, WV

Average wind speed in May - Gaston Junction, WV
  • Average wind speed in May: 5.6mph

The windiest months (with the highest average wind speed) are January and February (7mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in May
Gaston Junction, WV

Average humidity in May - Gaston Junction, WV
  • Average humidity in May: 79%

The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (77%).

Average rainfall in May
Gaston Junction, WV

Average rainfall in May - Gaston Junction, WV
  • Average rainfall in May: 4.21"

The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is September (2.13").

Average rainfall days in May
Gaston Junction, WV

Average rainfall days in May - Gaston Junction, WV
  • Average rainfall days in May: 20.3 days

The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is January (10.8 days).

Average snowfall in May
Gaston Junction, WV

Average snowfall in May - Gaston Junction, WV
  • Average snowfall in May: 0.51"

The month with the highest snowfall is January (7.28").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Gaston Junction, WV

Average snowfall days in May - Gaston Junction, WV
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is January (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Gaston Junction, WV

Average daylight in May / Average sunshine in May - Gaston Junction, 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 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
Gaston Junction, WV

Average sunshine days in May - Gaston Junction, WV
  • Average sunshine days in May: 8.8 days

The month with the most sunshine days is November (14.5 days).
The month with the least sunshine days is January (6.8 days).

Average UV index in May
Gaston Junction, WV

Average UV index in May - Gaston Junction, WV
  • Average UV index in May: 6

The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in May
Gaston Junction, WV

Average cloud cover in May - Gaston Junction, WV
  • Average cloud cover in May: 47

The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 36).

Average visibility in May
Gaston Junction, WV

Average visibility in May - Gaston Junction, 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).

Gaston Junction, West Virginia, USA

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