Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
A shift in the average high-temperature is noticeable in May, changing from an enjoyable 61.7°F (16.5°C) in April to an agreeable 72.5°F (22.5°C). During May, Spelter records a consistent average nighttime temperature of 51.8°F (11°C).Humidity
The average relative humidity in May is 79%.Rainfall
The month with the most rainfall is May, when the rain falls for 20.4 days and typically aggregates up to 4.17" (106mm) of precipitation.Snowfall
Months with snowfall in Spelter are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Spelter aggregates 0.59" (15mm) of snow. In Spelter, during the entire year, snow falls for 57.8 days and aggregates up to 28.9" (734mm) of snow.Daylight
In Spelter, the average length of the day in May is 14h and 21min.On the first day of May in Spelter, sunrise is at 6:21 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 8:41 pm EDT.
Sunshine
The average sunshine in May in Spelter is 8.8h.UV index
The months with the highest UV index in Spelter are May through July, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 6 during May leads to these advisories:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Always opt for UVA and UVB-resistant sunglasses on radiant days. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Spelter?
What is the average humidity in May in Spelter?
What is the wettest month in Spelter?
How much does it rain in Spelter in May?
What is the last month it snows in Spelter?
How many hours of daylight does Spelter have in May?
What time are sunrise and sunset in May in Spelter?
How long on average sun shines in May in Spelter?
When is the highest UV index in Spelter?
How high is the UV index in May in Spelter?
Average temperature in May
Spelter, WV
- Average high temperature in May: 72.5°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (35.8°F).
- Average low temperature in May: 51.8°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).
Average pressure in May
Spelter, WV
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in May
Spelter, WV
- Average wind speed in May: 5.5mph
The windiest months (with the highest average wind speed) are January and February (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in May
Spelter, WV
- Average humidity in May: 79%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are July, August and November (77%).
Average rainfall in May
Spelter, WV
- Average rainfall in May: 4.17"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is September (2.09").
Average rainfall days in May
Spelter, WV
- Average rainfall days in May: 20.4 days
The month with the highest number of rainy days is May (20.4 days).
The month with the least rainy days is November (11.8 days).
Average snowfall in May
Spelter, WV
- Average snowfall in May: 0.59"
The month with the highest snowfall is January (7.52").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Spelter, WV
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (16.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Spelter, 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 30min).
- 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 18min).
Average sunshine days in May
Spelter, WV
- Average sunshine days in May: 8.8 days
The month with the most sunshine days is October (13.8 days).
The month with the least sunshine days is January (7.4 days).
Average UV index in May
Spelter, 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
Spelter, WV
- Average cloud cover in May: 45
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in May
Spelter, 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).
Spelter, West Virginia, USA
Weather forecast for your location
2. Allow the app to use your location