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
The onset of May brings a rise in the average high-temperature, elevating from a comfortable 62.2°F (16.8°C) in April to a pleasant 71.2°F (21.8°C). In May, the nighttime temperature in Effna lowers to an average of 50.5°F (10.3°C).Humidity
In May, the average relative humidity in Effna is 79%.Rainfall
May is the month with the most rainfall in Effna. Rain falls for 21.2 days and accumulates 3.31" (84mm) 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, Effna aggregates 0.31" (8mm) of snow. Throughout the year, in Effna, there are 50.2 snowfall days, and 28.07" (713mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 10min.On the first day of May in Effna, sunrise is at 6:29 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 8:38 pm EDT.
Sunshine
In May, the average sunshine in Effna is 9.2h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index in Effna, Virginia. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 5 during May translates into the following recommendations:
Take precautions - Protection against sun damage is advised. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the temperature in May in Effna?
What is the average humidity in May in Effna?
What is the rainiest month in Effna?
How much does it rain in Effna in May?
What is the last month it snows in Effna?
What is the average length of the day in May in Effna?
When is the sunrise / sunset in May in Effna?
How long on average sun shines in May in Effna?
When is the highest UV index in Effna?
How high is the UV index in May in Effna?
Average temperature in May
Effna, VA
- Average high temperature in May: 71.2°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (38.3°F).
- Average low temperature in May: 50.5°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).
Average pressure in May
Effna, VA
- Average pressure in May: 30.03"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in May
Effna, VA
- Average wind speed in May: 6.3mph
The windiest months (with the highest average wind speed) are January and February (8mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in May
Effna, VA
- Average humidity in May: 79%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is July (76%).
Average rainfall in May
Effna, VA
- Average rainfall in May: 3.31"
The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in May
Effna, VA
- Average rainfall days in May: 21.2 days
The month with the highest number of rainy days is May (21.2 days).
The month with the least rainy days is January (10 days).
Average snowfall in May
Effna, VA
- Average snowfall in May: 0.31"
The month with the highest snowfall is December (6.3").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Effna, VA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Effna, VA
- 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 42min).
- Average sunshine in May: 9h and 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in May
Effna, VA
- Average sunshine days in May: 7.1 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is May (7.1 days).
Average UV index in May
Effna, VA
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Effna, VA
- Average cloud cover in May: 44
The months with the most cloud cover are January and February (Cloud cover 57).
The months with the least cloud cover are June, July and August (Cloud cover 38).
Average visibility in May
Effna, VA
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (5mi).
The month with the lowest visibility is September (4mi).
Effna, Virginia, USA
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