May weather forecast
Marmet, WV

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Weather in May

The last month of the spring, May, is a warm month in Marmet, West Virginia, with an average temperature varying between 74.8°F (23.8°C) and 54°F (12.2°C).

Temperature

The transition to May introduces an increase in the average high-temperature, shifting from a refreshing 64.9°F (18.3°C) in April to a moderately hot 74.8°F (23.8°C). In May, Marmet reports a consistent average low-temperature of 54°F (12.2°C) during the nights.

Humidity

In May, the average relative humidity is 78%.

Rainfall

May is the month with the most rainfall in Marmet. Rain falls for 20.1 days and accumulates 4.02" (102mm) 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, Marmet aggregates 0.28" (7mm) of snow. Throughout the year, there are 33.1 snowfall days, and 14.65" (372mm) of snow is accumulated.

Daylight

The average length of the day in May is 14h and 16min.
On the first day of the month, sunrise is at 6:28 am and sunset at 8:17 pm. On the last day of May, sunrise is at 6:04 am and sunset at 8:43 pm EDT.

Sunshine

In May, the average sunshine is 9h.

UV index

The months with the highest UV index are May, June and August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: In May, an average UV index of 6 transforms into the following instructions:
Resist extreme sun exposure. Guarding against solar damage is essential. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.

Frequently asked questions

What is the temperature in May?

May temperatures vary between a high-temperature of 74.8°F (23.8°C) and a low-temperature of 54°F (12.2°C).

What is the average humidity in May?

The average relative humidity in May in Marmet is 78%.

What is the wettest month?

The month with the most rainfall is May, when the rain falls for 20.1 days and typically aggregates up to 4.02" (102mm) of precipitation.

How many days does it rain in May?

In May, the rain falls for 20.1 days. Throughout May, 4.02" (102mm) of precipitation is accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 0.2 snowfall days, in May, Marmet aggregates 0.28" (7mm) of snow.

What is the average length of the day in May?

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

What time are sunrise and sunset in May?

On the first day of May, sunrise is at 6:28 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 8:43 pm EDT.

How many hours of sunshine does Marmet have in May?

The average sunshine duration in May is 9h.

What are the months with the highest UV index?

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

What is the UV index intensity in May?

The average daily maximum UV index in May in Marmet is 6. A UV Index value of 6 to 7 symbolizes 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
Marmet, WV

Average temperature in May - Marmet, WV
  • Average high temperature in May: 74.8°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in May: 54°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

Average pressure in May
Marmet, WV

Average pressure in May - Marmet, 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).

Average wind speed in May
Marmet, WV

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

The windiest months (with the highest average wind speed) are January and February (6.6mph).
The calmest month (with the lowest average wind speed) is August (4mph).

Average humidity in May
Marmet, WV

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

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

Average rainfall in May
Marmet, WV

Average rainfall in May - Marmet, WV
  • Average rainfall in May: 4.02"

The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is September (1.85").

Average rainfall days in May
Marmet, WV

Average rainfall days in May - Marmet, WV
  • Average rainfall days in May: 20.1 days

The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is November (9.4 days).

Average snowfall in May
Marmet, WV

Average snowfall in May - Marmet, WV
  • Average snowfall in May: 0.28"

The month with the highest snowfall is January (3.94").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Marmet, WV

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

The month with the highest number of snowfall days is January (10.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Marmet, 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 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 42min).

Average sunshine days in May
Marmet, WV

Average sunshine days in May - Marmet, WV
  • Average sunshine days in May: 9.8 days

The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is May (9.8 days).

Average UV index in May
Marmet, WV

Average UV index in May - Marmet, WV
  • Average UV index in May: 6

The months with the highest UV index are May, 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
Marmet, WV

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

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in May
Marmet, WV

Average visibility in May - Marmet, 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).

Marmet, West Virginia, USA

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