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
In May, the average high-temperature increases from a refreshing 65.5°F (18.6°C) in April to a moderately hot 75.2°F (24°C). Despite the hot May days, Rossmore's nights see an average temperature plunge to a fresh 53.6°F (12°C).Humidity
In May, the average relative humidity is 78%.Rainfall
May is the month with the most rainfall. Rain falls for 20.2 days and accumulates 3.74" (95mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Rossmore, West Virginia. During 0.2 snowfall days, in May, Rossmore aggregates 0.04" (1mm) of snow. Throughout the year, there are 38.9 snowfall days, and 17.48" (444mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 14min.On the first day of May in Rossmore, sunrise is at 6:31 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 8:43 pm EDT.
Sunshine
The average sunshine in May is 9h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The UV index of 6 during May leads to these advisories:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Frequently asked questions
What are May temperatures in Rossmore?
What is the average humidity in May in Rossmore?
What is the wettest month in Rossmore?
How much does it rain in Rossmore in May?
What is the last month it snows in Rossmore?
What is the average length of the day in May in Rossmore?
When are sunrise and sunset in May in Rossmore?
How long on average sun shines in May in Rossmore?
What is the month with the highest UV index in Rossmore?
How high is the UV index in May in Rossmore?
Average temperature in May
Rossmore, WV
- Average high temperature in May: 75.2°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in May: 53.6°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in May
Rossmore, 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
Rossmore, WV
- Average wind speed in May: 5.5mph
The windiest months (with the highest average wind speed) are January, February and April (6.5mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in May
Rossmore, WV
- Average humidity in May: 78%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April, June, July, August and November (76%).
Average rainfall in May
Rossmore, WV
- Average rainfall in May: 3.74"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in May
Rossmore, WV
- Average rainfall days in May: 20.2 days
The month with the highest number of rainy days is May (20.2 days).
The month with the least rainy days is November (10.8 days).
Average snowfall in May
Rossmore, WV
- Average snowfall in May: 0.04"
The month with the highest snowfall is January (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Rossmore, WV
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (11.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Rossmore, WV
- Average daylight in May: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in May: 9h and 0min
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
Rossmore, WV
- Average sunshine days in May: 9.7 days
The months with the most sunshine days are October and November (17 days).
The month with the least sunshine days is February (8.8 days).
Average UV index in May
Rossmore, 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
Rossmore, WV
- Average cloud cover in May: 43
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in May
Rossmore, 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).
Rossmore, West Virginia, USA
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