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
May's arrival is marked by an increase in the average high-temperature, moving from a refreshing 63.1°F (17.3°C) in April to a moderately hot 73.9°F (23.3°C). In May, the nighttime temperature lowers to an average of 52.7°F (11.5°C).Humidity
The average relative humidity in May is 79%.Rainfall
The month with the most rainfall in Grantsville is May, when the rain falls for 20.9 days and typically aggregates up to 4.61" (117mm) of precipitation.Snowfall
May through September are months without snowfall in Grantsville.Daylight
In Grantsville, the average length of the day in May is 14h and 19min.On the first day of May in Grantsville, sunrise is at 6:25 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 8:43 pm EDT.
Sunshine
In May, the average sunshine in Grantsville is 8.8h.UV index
The average daily maximum UV index in May in Grantsville is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In May, an average UV index of 5 transforms into the following instructions:
Be vigilant - Suggestions to stave off sun damage are provided. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Boost your sun resistance with garments that are densely woven yet spacious.
Frequently asked questions
What is the temperature in May in Grantsville?
What is the average humidity in May in Grantsville?
What is the wettest month in Grantsville?
How many days does it rain in May in Grantsville?
When it does not snow in Grantsville?
Does it snow in Grantsville in May?
How many hours of daylight does Grantsville have in May?
What time are sunrise and sunset in May in Grantsville?
How many hours of sunshine does Grantsville have in May?
How high is the UV index in May in Grantsville?
Average temperature in May
Grantsville, WV
- Average high temperature in May: 73.9°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in May: 52.7°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in May
Grantsville, 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
Grantsville, WV
- Average wind speed in May: 5.4mph
The windiest months (with the highest average wind speed) are January and February (6.6mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in May
Grantsville, WV
- Average humidity in May: 79%
The months with the highest relative humidity are January and February (83%).
The months with the lowest relative humidity are June, July, August and November (77%).
Average rainfall in May
Grantsville, WV
- Average rainfall in May: 4.61"
The wettest month (with the highest rainfall) is May (4.61").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in May
Grantsville, WV
- Average rainfall days in May: 20.9 days
The month with the highest number of rainy days is May (20.9 days).
The month with the least rainy days is November (11.7 days).
Average snowfall in May
Grantsville, WV
- Average snowfall in May: 0"
The month with the highest snowfall is January (6.22").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Grantsville, WV
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (15.4 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
Grantsville, 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 24min).
Average sunshine days in May
Grantsville, WV
- Average sunshine days in May: 8.1 days
The month with the most sunshine days is October (15 days).
The month with the least sunshine days is January (7.9 days).
Average UV index in May
Grantsville, WV
- Average UV index in May: 5
The months with the highest UV index are 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
Grantsville, WV
- Average cloud cover in May: 45
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in May
Grantsville, WV
- Average visibility in May: 5mi
The months with the highest visibility are April and November (6mi).
The month with the lowest visibility is January (4mi).
Grantsville, West Virginia, USA
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