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
Entering May, Swann sees a temperature rise, with the average high-temperature advancing from April's comfortable 65.8°F (18.8°C) to a warm 76.3°F (24.6°C). The nighttime temperature in Swann, West Virginia, shows a significant divergence from the daytime highs, averaging at a cool 54.7°F (12.6°C) in May.Humidity
In Swann, the average relative humidity in May is 78%.Rainfall
May is the month with the most rainfall in Swann. Rain falls for 20 days and accumulates 3.9" (99mm) of precipitation.Snowfall
In Swann, snow does not fall in May through September.Daylight
In May, the average length of the day is 14h and 17min.On the first day of May, sunrise is at 6:30 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 8:46 pm EDT.
Sunshine
In May, the average sunshine in Swann is 8.9h.UV index
The months with the highest UV index in Swann are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the average person.Note: In May, a daily UV index of 6 turns into the following recommendations:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. 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. Boost your sun resistance with garments that are densely woven yet spacious.
Frequently asked questions
What are May temperatures in Swann?
What is the average humidity in May in Swann?
What is the rainiest month in Swann?
How much does it rain in Swann in May?
When it does not snow in Swann?
Does it snow in Swann in May?
What is the average length of the day in May in Swann?
When is the sunrise / sunset in May in Swann?
How many hours of sunshine does Swann have in May?
When is the highest UV index in Swann?
What is the UV index reading in May in Swann?
Average temperature in May
Swann, WV
- Average high temperature in May: 76.3°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in May: 54.7°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).
Average pressure in May
Swann, 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
Swann, WV
- Average wind speed in May: 5.7mph
The windiest months (with the highest average wind speed) are January, February and April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in May
Swann, WV
- Average humidity in May: 78%
The months with the highest relative humidity are January, February and December (81%).
The month with the lowest relative humidity is August (74%).
Average rainfall in May
Swann, WV
- Average rainfall in May: 3.9"
The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in May
Swann, WV
- Average rainfall days in May: 20 days
The month with the highest number of rainy days is May (20 days).
The month with the least rainy days is November (10.7 days).
Average snowfall in May
Swann, WV
- Average snowfall in May: 0"
The month with the highest snowfall is January (4.25").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Swann, WV
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Swann, 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 12min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in May
Swann, WV
- Average sunshine days in May: 9 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is May (9 days).
Average UV index in May
Swann, WV
- Average UV index in May: 6
The months with the highest UV index are May, 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
Swann, WV
- Average cloud cover in May: 45
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in May
Swann, WV
- Average visibility in May: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Swann, West Virginia, USA
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