May weather forecast
Speed, WV

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Weather in May

The last month of the spring, May, is a moderately hot month in Speed, West Virginia, with an average temperature fluctuating between 53.8°F (12.1°C) and 74.8°F (23.8°C).

Temperature

A rise in the average high-temperature is observed during May, moving from a comfortable 64°F (17.8°C) in April to a warm 74.8°F (23.8°C). An average low-temperature of 53.8°F (12.1°C) is noted during the nights in May in Speed, West Virginia.

Humidity

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

Rainfall

May is the month with the most rainfall in Speed, West Virginia. Rain falls for 21.3 days and accumulates 4.37" (111mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Speed. May is the last month it regularly snows in Speed. During 0.1 snowfall days, in May, Speed aggregates 0.28" (7mm) of snow. Throughout the year, in Speed, there are 46.8 snowfall days, and 20.04" (509mm) of snow is accumulated.

Daylight

The average length of the day in May in Speed is 14h and 18min.
On the first day of May, sunrise is at 6:26 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 8:44 pm EDT.

Sunshine

In May, the average sunshine in Speed is 8.9h.

UV index

In Speed, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: In May, a regular UV index of 5 translates into these guidelines:
Exercise prevention - Precautions against solar damage are endorsed. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. 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 average May temperature in Speed?

In May, in Speed, the average high-temperature is 74.8°F (23.8°C), and the average low-temperature is 53.8°F (12.1°C).

What is the average humidity in May in Speed?

In May, the average relative humidity in Speed is 78%.

What is the rainiest month in Speed?

The month with the most rainfall in Speed is May, when the rain falls for 21.3 days and typically aggregates up to 4.37" (111mm) of precipitation.

How many days does it rain in May in Speed?

In May, in Speed, West Virginia, the rain falls for 21.3 days. Throughout May, 4.37" (111mm) of precipitation is accumulated.

What is the last month it snows in Speed?

May is the last month it regularly snows in Speed, West Virginia. During 0.1 snowfall days, in May, Speed aggregates 0.28" (7mm) of snow.

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

The average day length in May in Speed, West Virginia, is 14h and 18min.

When are sunrise and sunset in May in Speed?

In May, on the first day of the month, sunrise is at 6:26 am and sunset at 8:18 pm. On the last day of the month, in Speed, sunrise is at 6:02 am and sunset at 8:44 pm EDT.

How many hours of sunshine does Speed have in May?

In Speed, West Virginia, the average sunshine duration in May is 8.9h.

What is the UV index intensity in May in Speed?

In Speed, 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 unsafe exposure to Sun's UV rays.
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
Speed, WV

Average temperature in May - Speed, 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 (37.8°F).

  • Average low temperature in May: 53.8°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in May
Speed, WV

Average pressure in May - Speed, 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 (29.97"Hg).

Average wind speed in May
Speed, WV

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

The windiest month (with the highest average wind speed) is February (6.7mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

Average humidity in May
Speed, WV

Average humidity in May - Speed, 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 and August (76%).

Average rainfall in May
Speed, WV

Average rainfall in May - Speed, WV
  • Average rainfall in May: 4.37"

The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is September (2.05").

Average rainfall days in May
Speed, WV

Average rainfall days in May - Speed, WV
  • Average rainfall days in May: 21.3 days

The month with the highest number of rainy days is May (21.3 days).
The month with the least rainy days is November (11.5 days).

Average snowfall in May
Speed, WV

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

The month with the highest snowfall is January (5.39").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Speed, WV

Average snowfall days in May - Speed, WV
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (14 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Speed, 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: 8h and 5min

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 36min).

Average sunshine days in May
Speed, WV

Average sunshine days in May - Speed, WV
  • Average sunshine days in May: 7.9 days

The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is May (7.9 days).

Average UV index in May
Speed, WV

Average UV index in May - Speed, 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).

Average cloud cover in May
Speed, WV

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

The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in May
Speed, WV

Average visibility in May - Speed, 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).

Speed, West Virginia, USA

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