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
With the onset of May, the average high-temperature slightly shifts from April's mild 60.1°F (15.6°C) to an agreeable 71.8°F (22.1°C). The nighttime temperature in Trafford, during May, averages of 51.1°F (10.6°C).Humidity
The average relative humidity in May is 78%.Rainfall
The month with the most rainfall is May, when the rain falls for 18.2 days and typically aggregates up to 2.56" (65mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.1 snowfall days, in May, Trafford aggregates 0.04" (1mm) of snow. In Trafford, during the entire year, snow falls for 35.4 days and aggregates up to 10.35" (263mm) of snow.Daylight
In Trafford, the average length of the day in May is 14h and 26min.On the first day of May, sunrise is at 6:17 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:42 pm EDT.
Sunshine
In Trafford, the average sunshine in May is 8.8h.UV index
The average daily maximum UV index in May in Trafford is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In May, the average maximum UV index of 5 translates into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What is the average humidity in May?
What is the wettest month?
How much does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
When are sunrise and sunset in May in Trafford?
How many hours of sunshine does Trafford have in May?
How high is the UV index in May?
Average temperature in May
Trafford, PA
- Average high temperature in May: 71.8°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in May: 51.1°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in May
Trafford, 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
Trafford, PA
- Average wind speed in May: 6.1mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in May
Trafford, PA
- Average humidity in May: 78%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (76%).
Average rainfall in May
Trafford, PA
- Average rainfall in May: 2.56"
The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is November (1.06").
Average rainfall days in May
Trafford, PA
- Average rainfall days in May: 18.2 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (7.7 days).
Average snowfall in May
Trafford, PA
- Average snowfall in May: 0.04"
The month with the highest snowfall is February (2.52").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Trafford, PA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Trafford, PA
- Average daylight in May: 14h and 2min
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 5min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in May
Trafford, PA
- Average sunshine days in May: 10.1 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (10.1 days).
Average UV index in May
Trafford, PA
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Trafford, PA
- Average cloud cover in May: 44
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in May
Trafford, PA
- Average visibility in May: 5mi
The months with the highest visibility are April, June, August and November (6mi).
The months with the lowest visibility are January, February, March, May, July, September, October and December (5mi).
Trafford, Pennsylvania, USA
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