May weather forecast
Summersville, WV

Share

Weather in May

May, the last month of the spring in Summersville, is an agreeable month, with an average temperature varying between 51.4°F (10.8°C) and 71.2°F (21.8°C).

Temperature

May's arrival signals a temperature shift, moving from an enjoyable 61.3°F (16.3°C) in April to an agreeable 71.2°F (21.8°C). Throughout the month of May, the nighttime temperature in Summersville dips to an average of 51.4°F (10.8°C).

Humidity

In May, the average relative humidity is 80%.

Rainfall

May is the month with the most rainfall. Rain falls for 23.3 days and accumulates 4.21" (107mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.3 snowfall days, in May, Summersville aggregates 0.39" (10mm) of snow. In Summersville, during the entire year, snow falls for 60.4 days and aggregates up to 38.62" (981mm) of snow.

Daylight

In Summersville, the average length of the day in May is 14h and 16min.
On the first day of May, sunrise is at 6:25 am and sunset at 8:15 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 is 8.9h.

UV index

The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: An average UV index of 5 in May transforms into this advice:
Be vigilant - A duty to shield skin and eyes from injury exists. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures?

The average high-temperature, in May, in Summersville, is 71.2°F (21.8°C), while the average low-temperature is 51.4°F (10.8°C).

What is the average humidity in May?

In Summersville, the average relative humidity in May is 80%.

What is the wettest month?

May is the month with the most rainfall. Rain falls for 23.3 days and accumulates 4.21" (107mm) of precipitation.

How much does it rain in May?

In Summersville, in May, during 23.3 rainfall days, 4.21" (107mm) of precipitation is typically accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 0.3 snowfall days, in May, Summersville aggregates 0.39" (10mm) of snow.

What is the average length of the day in May?

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

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 6:25 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 8:40 pm EDT.

How many hours of sunshine does Summersville have in May?

The average sunshine duration in May is 8.9h.

How high is the UV index in May?

In May, the average daily maximum UV index is 5. A UV Index estimate 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
Summersville, WV

Average temperature in May - Summersville, WV
  • Average high temperature in May: 71.2°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (36.5°F).

  • Average low temperature in May: 51.4°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).

Average pressure in May
Summersville, WV

Average pressure in May - Summersville, 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
Summersville, WV

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

The windiest months (with the highest average wind speed) are January and February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in May
Summersville, WV

Average humidity in May - Summersville, WV
  • Average humidity in May: 80%

The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are June, July, August and November (78%).

Average rainfall in May
Summersville, WV

Average rainfall in May - Summersville, WV
  • Average rainfall in May: 4.21"

The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is September (1.69").

Average rainfall days in May
Summersville, WV

Average rainfall days in May - Summersville, WV
  • Average rainfall days in May: 23.3 days

The month with the highest number of rainy days is May (23.3 days).
The month with the least rainy days is November (12.2 days).

Average snowfall in May
Summersville, WV

Average snowfall in May - Summersville, WV
  • Average snowfall in May: 0.39"

The month with the highest snowfall is January (8.94").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Summersville, WV

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

The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

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 48min).

Average sunshine days in May
Summersville, WV

Average sunshine days in May - Summersville, WV
  • Average sunshine days in May: 6.1 days

The month with the most sunshine days is October (14.6 days).
The month with the least sunshine days is May (6.1 days).

Average UV index in May
Summersville, WV

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

The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in May
Summersville, WV

Average cloud cover in May - Summersville, 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 34).

Average visibility in May
Summersville, WV

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

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

Summersville, West Virginia, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location