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 arrival of May brings a temperature shift, with the average high-temperature escalating from a mild 58.1°F (14.5°C) in April to a pleasant 69.4°F (20.8°C). West Lebanon throughout May, records an average low-temperature of 49.5°F (9.7°C).Humidity
In West Lebanon, the average relative humidity in May is 79%.Rainfall
The month with the most rainfall in West Lebanon is May, when the rain falls for 18.7 days and typically aggregates up to 2.64" (67mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in West Lebanon. During 0.4 snowfall days, in May, West Lebanon aggregates 0.12" (3mm) of snow. Throughout the year, in West Lebanon, there are 62.7 snowfall days, and 21.3" (541mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 28min.On the first day of the month, sunrise is at 6:15 am and sunset at 8:13 pm. On the last day of May, in West Lebanon, sunrise is at 5:48 am and sunset at 8:41 pm EDT.
Sunshine
In May, the average sunshine is 8.6h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: A maximum daily UV index of 5 during May morphs into the following directions:
Undertake precautions - Guarding against sun damage is counselled. To avoid the Sun's strongest rays, limit exposure around the mid-day period. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What are the temperatures in West Lebanon in May?
What is the average humidity in May in West Lebanon?
What is the rainiest month in West Lebanon?
How many days does it rain in May in West Lebanon?
What is the last month it snows in West Lebanon?
How many hours of daylight does West Lebanon have in May?
When are sunrise and sunset in May in West Lebanon?
How long on average sun shines in May in West Lebanon?
What is the month with the highest UV index in West Lebanon?
What is the UV index reading in May in West Lebanon?
Average temperature in May
West Lebanon, PA
- Average high temperature in May: 69.4°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in May: 49.5°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).
Average pressure in May
West Lebanon, PA
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in May
West Lebanon, PA
- Average wind speed in May: 6.7mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in May
West Lebanon, PA
- Average humidity in May: 79%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April, June, July and August (78%).
Average rainfall in May
West Lebanon, PA
- Average rainfall in May: 2.64"
The wettest month (with the highest rainfall) is May (2.64").
The driest month (with the least rainfall) is November (1.3").
Average rainfall days in May
West Lebanon, PA
- Average rainfall days in May: 18.7 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in May
West Lebanon, PA
- Average snowfall in May: 0.12"
The month with the highest snowfall is January (5.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
West Lebanon, PA
- Average snowfall days in May: 0.4 days
The month with the highest number of snowfall days is January (17.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
West Lebanon, PA
- Average daylight in May: 14h and 3min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in May
West Lebanon, PA
- Average sunshine days in May: 10.5 days
The month with the most sunshine days is September (14.8 days).
The months with the least sunshine days are January and February (7.8 days).
Average UV index in May
West Lebanon, PA
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
West Lebanon, PA
- Average cloud cover in May: 47
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in May
West Lebanon, PA
- Average visibility in May: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
West Lebanon, Pennsylvania, USA
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