May weather forecastTerra Alta, WV
May
Weather in May
The last month of the spring, May, is an agreeable month in Terra Alta, West Virginia, with an average temperature fluctuating between 48.7°F (9.3°C) and 68°F (20°C).Temperature
With the transition into May, Terra Alta experiences an increase in average high-temperatures, moving up from a moderate 57.7°F (14.3°C) in April to an agreeable 68°F (20°C). In Terra Alta, an average low-temperature of 48.7°F (9.3°C) is recorded during May nights.Humidity
In Terra Alta, the average relative humidity in May is 81%.Rainfall
The month with the most rainfall is May, when the rain falls for 21 days and typically aggregates up to 3.15" (80mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.8 snowfall days, in May, Terra Alta aggregates 0.87" (22mm) of snow. Throughout the year, there are 72.1 snowfall days, and 33.03" (839mm) of snow is accumulated.Daylight
In Terra Alta, the average length of the day in May is 14h and 22min.On the first day of the month, sunrise is at 6:18 am and sunset at 8:12 pm. On the last day of May, sunrise is at 5:53 am and sunset at 8:38 pm EDT.
Sunshine
In Terra Alta, the average sunshine in May is 8.1h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The daily maximum UV index of 5 in May interprets into the following advice:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Terra Alta, WV
- Average high temperature in May: 68°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (32.4°F).
- Average low temperature in May: 48.7°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).
Average pressure in May
Terra Alta, WV
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in May
Terra Alta, WV
- Average wind speed in May: 6.6mph
The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in May
Terra Alta, WV
- Average humidity in May: 81%
The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are June and July (79%).
Average rainfall in May
Terra Alta, WV
- Average rainfall in May: 3.15"
The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in May
Terra Alta, WV
- Average rainfall days in May: 21 days
The month with the highest number of rainy days is May (21 days).
The month with the least rainy days is February (8.8 days).
Average snowfall in May
Terra Alta, WV
- Average snowfall in May: 0.87"
The month with the highest snowfall is January (7.44").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Terra Alta, WV
- Average snowfall days in May: 0.8 days
The month with the highest number of snowfall days is January (17.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Terra Alta, WV
- Average daylight in May: 14h and 24min
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 6min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in May
Terra Alta, WV
- Average sunshine days in May: 8.1 days
The month with the most sunshine days is November (13.6 days).
The month with the least sunshine days is January (6.9 days).
Average UV index in May
Terra Alta, WV
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Terra Alta, WV
- Average cloud cover in May: 51
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 41).
Average visibility in May
Terra Alta, WV
- Average visibility in May: 5mi
The months with the highest visibility are March, April, May, June, July, August and November (5mi).
The months with the lowest visibility are January, February, September, October and December (4mi).
