May weather forecast
Blacksville, WV

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Weather in May

May, the last month of the spring in Blacksville, is an agreeable month, with an average temperature fluctuating between 51.4°F (10.8°C) and 72.5°F (22.5°C).

Temperature

May marks a rise in the average high-temperature, moving from April's refreshing 61.5°F (16.4°C) to an agreeable 72.5°F (22.5°C). In Blacksville, the average low-temperature during the month of May is a cool 51.4°F (10.8°C).

Humidity

In Blacksville, the average relative humidity in May is 79%.

Rainfall

The month with the most rainfall is May, when the rain falls for 20.7 days and typically aggregates up to 3.39" (86mm) of precipitation.

Snowfall

Months with snowfall in Blacksville are January through May, October through December. May is the last month it regularly snows in Blacksville. During 0.2 snowfall days, in May, Blacksville aggregates 0.12" (3mm) of snow. Throughout the year, there are 56.4 snowfall days, and 20.35" (517mm) of snow is accumulated.

Daylight

The average length of the day in May is 14h and 23min.
On the first day of the month, sunrise is at 6:20 am and sunset at 8:15 pm. On the last day of May, sunrise is at 5:54 am and sunset at 8:42 pm EDT.

Sunshine

In May, the average sunshine in Blacksville, West Virginia, is 8.8h.

UV index

The months with the highest UV index are May through July, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: A typical high UV index of 6 in May suggests the following recommendations:
Guard oneself from overexposure. Defence against sun injury is vital. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
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 Blacksville in May?

The high-temperature in Blacksville during May is 72.5°F (22.5°C) and the low-temperature is 51.4°F (10.8°C).

What is the average humidity in May in Blacksville?

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

What is the rainiest month in Blacksville?

The month with the most rainfall in Blacksville is May, when the rain falls for 20.7 days and typically aggregates up to 3.39" (86mm) of precipitation.

How much does it rain in Blacksville in May?

In Blacksville, during May, the rain falls for 20.7 days and regularly aggregates up to 3.39" (86mm) of precipitation.

What is the last month it snows in Blacksville?

May is the last month it regularly snows in Blacksville, West Virginia. During 0.2 snowfall days, in May, Blacksville aggregates 0.12" (3mm) of snow.

How many hours of daylight does Blacksville have in May?

In May, the average day length is 14h and 23min.

When is the sunrise / sunset in May in Blacksville?

In May, on the first day of the month, sunrise is at 6:20 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 8:42 pm EDT.

How many hours of sunshine does Blacksville have in May?

The average sunshine duration in May is 8.8h.

What are the months with the highest UV index in Blacksville?

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

How high is the UV index in May in Blacksville?

In May, the average daily maximum UV index in Blacksville, West Virginia, is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to 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
Blacksville, WV

Average temperature in May - Blacksville, WV
  • Average high temperature in May: 72.5°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in May: 51.4°F

The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in May
Blacksville, WV

Average pressure in May - Blacksville, 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 (29.95"Hg).

Average wind speed in May
Blacksville, WV

Average wind speed in May - Blacksville, WV
  • Average wind speed in May: 5.8mph

The windiest month (with the highest average wind speed) is January (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).

Average humidity in May
Blacksville, WV

Average humidity in May - Blacksville, WV
  • Average humidity in May: 79%

The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are April, July and August (77%).

Average rainfall in May
Blacksville, WV

Average rainfall in May - Blacksville, WV
  • Average rainfall in May: 3.39"

The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is November (1.77").

Average rainfall days in May
Blacksville, WV

Average rainfall days in May - Blacksville, WV
  • Average rainfall days in May: 20.7 days

The month with the highest number of rainy days is May (20.7 days).
The month with the least rainy days is February (10.6 days).

Average snowfall in May
Blacksville, WV

Average snowfall in May - Blacksville, WV
  • Average snowfall in May: 0.12"

The month with the highest snowfall is February (5.35").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Blacksville, WV

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

The month with the highest number of snowfall days is January (16.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Blacksville, 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 5min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).

Average sunshine days in May
Blacksville, WV

Average sunshine days in May - Blacksville, WV
  • Average sunshine days in May: 8.5 days

The month with the most sunshine days is November (15.7 days).
The month with the least sunshine days is February (7.5 days).

Average UV index in May
Blacksville, WV

Average UV index in May - Blacksville, 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
Blacksville, WV

Average cloud cover in May - Blacksville, 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
Blacksville, WV

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

The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).

Blacksville, West Virginia, USA

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