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 shows a rise in the average high-temperature, moving from April's refreshing 60.8°F (16°C) to an agreeable 71.6°F (22°C). During the month of May, Knottsville's nighttime temperature lowers to an average of 51.1°F (10.6°C).Humidity
In May, the average relative humidity in Knottsville, West Virginia, is 79%.Rainfall
May is the month with the most rainfall. Rain falls for 20.8 days and accumulates 4.06" (103mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Knottsville. May is the last month it regularly snows in Knottsville. During 0.3 snowfall days, in May, Knottsville aggregates 0.67" (17mm) of snow. In Knottsville, during the entire year, snow falls for 58.4 days and aggregates up to 31.26" (794mm) of snow.Daylight
The average length of the day in May in Knottsville, West Virginia, is 14h and 21min.On the first day of the month, sunrise is at 6:20 am and sunset at 8:13 pm. On the last day of May, in Knottsville, sunrise is at 5:55 am and sunset at 8:40 pm EDT.
Sunshine
In May, the average sunshine is 8.7h.UV index
In May, the average daily maximum UV index in Knottsville is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: In May, a daily maximum UV index of 5 leads to the following instructions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Frequently asked questions
What is the average May temperature in Knottsville?
What is the average humidity in May in Knottsville?
What is the rainiest month in Knottsville?
How many days does it rain in May in Knottsville?
What is the last month it snows in Knottsville?
What is the average length of the day in May in Knottsville?
What time are sunrise and sunset in May in Knottsville?
How many hours of sunshine does Knottsville have in May?
What is the UV index intensity in May in Knottsville?
Average temperature in May
Knottsville, WV
- Average high temperature in May: 71.6°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (35.6°F).
- Average low temperature in May: 51.1°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure in May
Knottsville, WV
- Average pressure in May: 30"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
Knottsville, WV
- Average wind speed in May: 5.7mph
The windiest month (with the highest average wind speed) is January (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in May
Knottsville, WV
- Average humidity in May: 79%
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are July and August (77%).
Average rainfall in May
Knottsville, WV
- Average rainfall in May: 4.06"
The wettest month (with the highest rainfall) is May (4.06").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in May
Knottsville, WV
- Average rainfall days in May: 20.8 days
The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is February (11.9 days).
Average snowfall in May
Knottsville, WV
- Average snowfall in May: 0.67"
The month with the highest snowfall is January (7.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Knottsville, WV
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Knottsville, 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 4min
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 12min).
Average sunshine days in May
Knottsville, WV
- Average sunshine days in May: 8.8 days
The month with the most sunshine days is October (13.7 days).
The month with the least sunshine days is January (6.5 days).
Average UV index in May
Knottsville, WV
- Average UV index in May: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Knottsville, WV
- Average cloud cover in May: 45
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in May
Knottsville, WV
- Average visibility in May: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).
Knottsville, West Virginia, USA
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