May weather forecast
London, WV

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Weather in May

May, the last month of the spring in London, is a moderately hot month, with an average temperature fluctuating between 52.3°F (11.3°C) and 73.4°F (23°C).

Temperature

May brings an increase in the average high-temperature, progressing from a comfortable 63.7°F (17.6°C) in April to a warm 73.4°F (23°C). In the month of May, the average temperature in London dips to a fresh 52.3°F (11.3°C) during the night.

Humidity

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

Rainfall

The month with the most rainfall in London is May, when the rain falls for 20.8 days and typically aggregates up to 3.94" (100mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows in London, West Virginia. During 0.2 snowfall days, in May, London aggregates 0.31" (8mm) of snow. Throughout the year, in London, there are 45.1 snowfall days, and 22.2" (564mm) of snow is accumulated.

Daylight

The average length of the day in May in London is 14h and 16min.
On the first day of the month, sunrise is at 6:27 am and sunset at 8:17 pm. On the last day of May, sunrise is at 6:04 am and sunset at 8:42 pm EDT.

Sunshine

In May, the average sunshine in London is 9h.

UV index

The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 5 during May leads to these instructions:
Heed the precautions - It is counselled to guard against solar damage. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
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Frequently asked questions

What is the usual temperature for London in May?

The average high-temperature and low-temperature during May are 73.4°F (23°C) and 52.3°F (11.3°C) respectively.

What is the average humidity in May in London?

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

What is the rainiest month in London?

May is the month with the most rainfall. Rain falls for 20.8 days and accumulates 3.94" (100mm) of precipitation.

How much does it rain in London in May?

In May, in London, the rain falls for 20.8 days. Throughout May, 3.94" (100mm) of precipitation is accumulated.

What is the last month it snows in London?

May is the last month it regularly snows in London, West Virginia. During 0.2 snowfall days, in May, London aggregates 0.31" (8mm) of snow.

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

In London, West Virginia, the average day length in May is 14h and 16min.

When are sunrise and sunset in May in London?

On the first day of May, sunrise is at 6:27 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 8:42 pm EDT.

How many hours of sunshine does London have in May?

The average sunshine duration in May in London, West Virginia, is 9h.

What is the UV index reading in May in London?

In London, West Virginia, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium health risk 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
London, WV

Average temperature in May - London, WV
  • Average high temperature in May: 73.4°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in May: 52.3°F

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

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Average pressure in May
London, WV

Average pressure in May - London, 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).

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Average wind speed in May
London, WV

Average wind speed in May - London, WV
  • Average wind speed in May: 5.7mph

The windiest month (with the highest average wind speed) is February (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

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Average humidity in May
London, WV

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

The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are June, July, August and November (77%).

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Average rainfall in May
London, WV

Average rainfall in May - London, WV
  • Average rainfall in May: 3.94"

The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is September (1.85").

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Average rainfall days in May
London, WV

Average rainfall days in May - London, WV
  • Average rainfall days in May: 20.8 days

The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is November (12.1 days).

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Average snowfall in May
London, WV

Average snowfall in May - London, WV
  • Average snowfall in May: 0.31"

The month with the highest snowfall is January (5.75").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
London, WV

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

The month with the highest number of snowfall days is January (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - London, 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 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in May
London, WV

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

The month with the most sunshine days is November (15.6 days).
The month with the least sunshine days is February (7.6 days).

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Average UV index in May
London, WV

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

The months with the highest UV index are 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
London, WV

Average cloud cover in May - London, 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 34).

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Average visibility in May
London, WV

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

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

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London, West Virginia, USA

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