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 rise of average high-temperatures is seen in May, with an increase from a moderate 59.5°F (15.3°C) in April to a pleasant 70.7°F (21.5°C). Throughout May, the temperature tends to fall to a consistent average low of 50°F (10°C).Humidity
In Thornwood, the average relative humidity in May is 79%.Rainfall
The month with the most rainfall is May, when the rain falls for 22 days and typically aggregates up to 3.66" (93mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Thornwood. During 0.4 snowfall days, in May, Thornwood aggregates 0.16" (4mm) of snow. In Thornwood, during the entire year, snow falls for 63.2 days and aggregates up to 29.02" (737mm) of snow.Daylight
In Thornwood, Pennsylvania, the average length of the day in May is 14h and 25min.On the first day of the month, sunrise is at 6:17 am and sunset at 8:13 pm. On the last day of May, in Thornwood, sunrise is at 5:51 am and sunset at 8:41 pm EDT.
Sunshine
In May, the average sunshine in Thornwood is 8.8h.UV index
In May, the average daily maximum UV index in Thornwood, Pennsylvania, is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: In May, a regular UV index of 5 translates into these guidelines:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Thornwood in May?
What is the average humidity in May in Thornwood?
What is the rainiest month in Thornwood?
How much does it rain in Thornwood in May?
What is the last month it snows in Thornwood?
How many hours of daylight does Thornwood have in May?
What time are sunrise and sunset in May in Thornwood?
How many hours of sunshine does Thornwood have in May?
What is the UV index intensity in May in Thornwood?
Average temperature in May
Thornwood, PA
- Average high temperature in May: 70.7°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.3°F).
- Average low temperature in May: 50°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in May
Thornwood, PA
- 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 (29.95"Hg).
Average wind speed in May
Thornwood, PA
- Average wind speed in May: 6.4mph
The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in May
Thornwood, PA
- Average humidity in May: 79%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in May
Thornwood, PA
- Average rainfall in May: 3.66"
The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is November (2.01").
Average rainfall days in May
Thornwood, PA
- Average rainfall days in May: 22 days
The month with the highest number of rainy days is May (22 days).
The month with the least rainy days is January (9.8 days).
Average snowfall in May
Thornwood, PA
- Average snowfall in May: 0.16"
The month with the highest snowfall is January (7.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Thornwood, PA
- Average snowfall days in May: 0.4 days
The month with the highest number of snowfall days is January (17.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Thornwood, 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 24min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in May
Thornwood, PA
- Average sunshine days in May: 8 days
The month with the most sunshine days is November (13.5 days).
The month with the least sunshine days is January (6.5 days).
Average UV index in May
Thornwood, PA
- 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, March, November and December (UV index 2).
Average cloud cover in May
Thornwood, PA
- Average cloud cover in May: 45
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in May
Thornwood, PA
- Average visibility in May: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).
Thornwood, Pennsylvania, USA
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