May weather forecast
Marybill, WV

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Weather in May

The last month of the spring, May, is an agreeable month in Marybill, West Virginia, with an average temperature ranging between max 69.3°F (20.7°C) and min 48.9°F (9.4°C).

Temperature

May marks a rise in the average high-temperature, moving from April's mild 59.2°F (15.1°C) to an agreeable 69.3°F (20.7°C). In May, Marybill reports a consistent average low-temperature of 48.9°F (9.4°C) during the nights.

Humidity

In May, the average relative humidity is 82%.

Rainfall

The month with the most rainfall in Marybill is May, when the rain falls for 23.4 days and typically aggregates up to 4.49" (114mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows in Marybill, West Virginia. During 0.3 snowfall days, in May, Marybill aggregates 0.51" (13mm) of snow. In Marybill, during the entire year, snow falls for 59.4 days and aggregates up to 37.4" (950mm) of snow.

Daylight

The average length of the day in May is 14h and 16min.
On the first day of May in Marybill, West Virginia, sunrise is at 6:25 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 8:40 pm EDT.

Sunshine

The average sunshine in May in Marybill is 8.7h.

UV index

The months with the highest UV index in Marybill are May through August, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.
Note: In May, a regular UV index of 5 translates into these guidelines:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Marybill in May?

In May, in Marybill, the average high-temperature is 69.3°F (20.7°C), and the average low-temperature is 48.9°F (9.4°C).

What is the average humidity in May in Marybill?

In Marybill, the average relative humidity in May is 82%.

What is the rainiest month in Marybill?

The month with the most rainfall is May, when the rain falls for 23.4 days and typically aggregates up to 4.49" (114mm) of precipitation.

How many days does it rain in May in Marybill?

In Marybill, during May, the rain falls for 23.4 days and regularly aggregates up to 4.49" (114mm) of precipitation.

What is the last month it snows in Marybill?

May is the last month it regularly snows. During 0.3 snowfall days, in May, Marybill aggregates 0.51" (13mm) of snow.

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

The average day length in May in Marybill, West Virginia, is 14h and 16min.

What time are sunrise and sunset in May in Marybill?

On the first day of May in Marybill, sunrise is at 6:25 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 8:40 pm EDT.

How long on average sun shines in May in Marybill?

In Marybill, the average sunshine duration in May is 8.7h.

When is the highest UV index in Marybill?

May through August, with an average maximum UV index of 5, are months with the highest UV index in Marybill, West Virginia.

How high is the UV index in May in Marybill?

The average daily maximum UV index in May in Marybill, West Virginia, is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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
Marybill, WV

Average temperature in May - Marybill, WV
  • Average high temperature in May: 69.3°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (34.9°F).

  • Average low temperature in May: 48.9°F

The month with the highest average low temperature is July (57.9°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in May
Marybill, WV

Average pressure in May - Marybill, 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
Marybill, WV

Average wind speed in May - Marybill, WV
  • Average wind speed in May: 6.1mph

The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

Average humidity in May
Marybill, WV

Average humidity in May - Marybill, WV
  • Average humidity in May: 82%

The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are June, July and November (79%).

Average rainfall in May
Marybill, WV

Average rainfall in May - Marybill, WV
  • Average rainfall in May: 4.49"

The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is September (2.13").

Average rainfall days in May
Marybill, WV

Average rainfall days in May - Marybill, WV
  • Average rainfall days in May: 23.4 days

The month with the highest number of rainy days is May (23.4 days).
The month with the least rainy days is January (11.4 days).

Average snowfall in May
Marybill, WV

Average snowfall in May - Marybill, WV
  • Average snowfall in May: 0.51"

The month with the highest snowfall is February (8.62").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Marybill, WV

Average snowfall days in May - Marybill, WV
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Marybill, 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: 8h and 4min

The months with the most sunshine are June and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in May
Marybill, WV

Average sunshine days in May - Marybill, WV
  • Average sunshine days in May: 5.9 days

The month with the most sunshine days is October (14.6 days).
The month with the least sunshine days is May (5.9 days).

Average UV index in May
Marybill, WV

Average UV index in May - Marybill, WV
  • Average UV index in May: 5

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in May
Marybill, WV

Average cloud cover in May - Marybill, WV
  • Average cloud cover in May: 48

The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 38).

Average visibility in May
Marybill, WV

Average visibility in May - Marybill, WV
  • Average visibility in May: 5mi

The months with the highest visibility are March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are January, February and September (4mi).

Marybill, West Virginia, USA

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