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
An escalation in the average high-temperature is seen with the onset of May, moving from a mild 57.6°F (14.2°C) in April to an agreeable 70°F (21.1°C). Nighttime temperatures consistently average a chilly 49.3°F (9.6°C) during May.Humidity
May, July and August, with an average relative humidity of 78%, are the least humid months in West Middlesex.Rainfall
In West Middlesex, in May, it is raining for 19.5 days, with typically 3.31" (84mm) of accumulated precipitation. Throughout the year, there are 182.1 rainfall days, and 34.8" (884mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.4 snowfall days, in May, West Middlesex aggregates 0.16" (4mm) of snow. Throughout the year, in West Middlesex, there are 76.4 snowfall days, and 31.69" (805mm) of snow is accumulated.Daylight
In May, the average length of the day in West Middlesex is 14h and 31min.On the first day of May, sunrise is at 6:18 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:47 pm EDT.
Sunshine
In West Middlesex, the average sunshine in May is 8.6h.UV index
In West Middlesex, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The UV index of 5 in May translates into these instructions:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
What is the average May temperature in West Middlesex?
What are the least humid months in West Middlesex?
What is the average humidity in May in West Middlesex?
How much does it rain in West Middlesex in May?
What is the last month it snows in West Middlesex?
How many hours of daylight does West Middlesex have in May?
When are sunrise and sunset in May in West Middlesex?
How long on average sun shines in May in West Middlesex?
How high is the UV index in May in West Middlesex?
Average temperature in May
West Middlesex, PA
- Average high temperature in May: 70°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.1°F).
- Average low temperature in May: 49.3°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in May
West Middlesex, PA
- Average pressure in May: 29.99"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
West Middlesex, PA
- Average wind speed in May: 6.3mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is July (5mph).
Average humidity in May
West Middlesex, PA
- Average humidity in May: 78%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are May, July and August (78%).
Average rainfall in May
West Middlesex, PA
- Average rainfall in May: 3.31"
The wettest month (with the highest rainfall) is June (3.66").
The driest month (with the least rainfall) is September (2.2").
Average rainfall days in May
West Middlesex, PA
- Average rainfall days in May: 19.5 days
The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in May
West Middlesex, PA
- Average snowfall in May: 0.16"
The month with the highest snowfall is January (8.62").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
West Middlesex, PA
- Average snowfall days in May: 0.4 days
The month with the highest number of snowfall days is January (20.3 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 Middlesex, PA
- Average daylight in May: 14h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
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: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in May
West Middlesex, PA
- Average sunshine days in May: 10.1 days
The month with the most sunshine days is September (12.7 days).
The month with the least sunshine days is February (6 days).
Average UV index in May
West Middlesex, PA
- Average UV index in May: 5
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
West Middlesex, PA
- Average cloud cover in May: 46
The month with the most cloud cover is January (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in May
West Middlesex, PA
- Average visibility in May: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February and December (4mi).
West Middlesex, Pennsylvania, USA
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