May weather forecast
Dunbar, WV

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Weather in May

May's weather in Dunbar denote the onset of summer with temperatures significantly rising, and nature flaunting its beauty in full bloom. An upward jump in the average high temperature to 75.6°F (24.2°C) makes afternoons warm, often climaxing the appetite for a cool ice-cream or a refreshing drink. Outdoor celebrations, barbecues, and campfires become regular features as days stretch, providing ample sunlight. Longer days and abundant clear skies present idyllic conditions for astronomy enthusiasts to gaze at the stars. Residents eagerly await late spring events, savoring music festivals or farmers' markets under clear, starry nights.

Temperature

The transition from April to May brings a temperature rise, with average high-temperatures increasing from a comfortable 65.3°F (18.5°C) to a warm 75.6°F (24.2°C). In Dunbar, May nights witness a steady temperature drop to a cool 54.1°F (12.3°C).

Humidity

In May, the average relative humidity is 78%.

Rainfall

The month with the most rainfall is May, when the rain falls for 17.8 days and typically aggregates up to 1.93" (49mm) of precipitation.

Snowfall

May through September are months without snowfall in Dunbar.

Daylight

In May, the average length of the day in Dunbar is 14h and 16min.
On the first day of May in Dunbar, sunrise is at 6:29 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 8:44 pm EDT.

Sunshine

The average sunshine in May is 9.1h.

UV index

The months with the highest UV index in Dunbar are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The daily high UV index of 6 during May translates into the following recommendations:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Resources | Updated: Feb 14, 2024 | Published by: Weather U.S.

Frequently asked questions

What is the temperature in May in Dunbar?

The high-temperature, in May, in Dunbar, is 75.6°F (24.2°C), while the low-temperature averages to 54.1°F (12.3°C).

What is the average humidity in May in Dunbar?

The average relative humidity in May in Dunbar, West Virginia, is 78%.

What is the wettest month in Dunbar?

May is the month with the most rainfall in Dunbar, West Virginia. Rain falls for 17.8 days and accumulates 1.93" (49mm) of precipitation.

How much does it rain in Dunbar in May?

In May, in Dunbar, the rain falls for 17.8 days. Throughout May, 1.93" (49mm) of precipitation is accumulated.

When it does not snow in Dunbar?

May through September are months without snowfall.

Does it snow in Dunbar in May?

In May, in Dunbar, it doesn't snow. April is the latest month when it typically snows.

What is the average length of the day in May in Dunbar?

In May, the average day length in Dunbar is 14h and 16min.

When is the sunrise / sunset in May in Dunbar?

In May, on the first day of the month, sunrise is at 6:29 am and sunset at 8:18 pm. On the last day of the month, in Dunbar, West Virginia, sunrise is at 6:05 am and sunset at 8:44 pm EDT.

How many hours of sunshine does Dunbar have in May?

In May, the average sunshine duration is 9.1h.

When is the highest UV index in Dunbar?

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

What is the UV index intensity in May in Dunbar?

In May, the average daily maximum UV index in Dunbar is 6. A UV Index estimate of 6 to 7 represents a high health threat from unprotected exposure to UV radiation.
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
Dunbar, WV

Average temperature in May - Dunbar, WV
  • Average high temperature in May: 75.6°F

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in May: 54.1°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).

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Average pressure in May
Dunbar, WV

Average pressure in May - Dunbar, 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 (29.98"Hg).

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Average wind speed in May
Dunbar, WV

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

The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

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Average humidity in May
Dunbar, WV

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

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is August (75%).

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Average rainfall in May
Dunbar, WV

Average rainfall in May - Dunbar, WV
  • Average rainfall in May: 1.93"

The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is September (0.83").

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Average rainfall days in May
Dunbar, WV

Average rainfall days in May - Dunbar, WV
  • Average rainfall days in May: 17.8 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (8.9 days).

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Average snowfall in May
Dunbar, WV

Average snowfall in May - Dunbar, WV
  • Average snowfall in May: 0"

The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in May
Dunbar, WV

Average snowfall days in May - Dunbar, WV
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (11.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Dunbar, 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: 9h and 1min

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 42min).

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Average sunshine days in May
Dunbar, WV

Average sunshine days in May - Dunbar, WV
  • Average sunshine days in May: 10.7 days

The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (10.7 days).

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Average UV index in May
Dunbar, WV

Average UV index in May - Dunbar, 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).

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Average cloud cover in May
Dunbar, WV

Average cloud cover in May - Dunbar, WV
  • Average cloud cover in May: 44

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in May
Dunbar, WV

Average visibility in May - Dunbar, 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).

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Dunbar, West Virginia, USA

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