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
Dewey Corner sees a rise in temperature during May, with average high-temperatures transitioning from a moderate 56.5°F (13.6°C) in April to an agreeable 68.4°F (20.2°C). Throughout May, the nighttime temperature averages to a frosty 48°F (8.9°C).Humidity
In May, the average relative humidity is 79%.Rainfall
In May, the rain falls for 19.3 days. Throughout May, 3.31" (84mm) of precipitation is accumulated. In Dewey Corner, during the entire year, the rain falls for 170.2 days and collects up to 32.2" (818mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Dewey Corner aggregates 0.12" (3mm) of snow. Throughout the year, there are 41.9 snowfall days, and 19.76" (502mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 31min.On the first day of the month, sunrise is at 6:03 am and sunset at 8:05 pm. On the last day of May, sunrise is at 5:36 am and sunset at 8:33 pm EDT.
Sunshine
The average sunshine in May is 8.2h.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 moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 5 during May translates into the following recommendations:
Guard yourself - Avoiding sunburn is suggested. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the average humidity in May?
How much does it rain in May?
What is the last month it snows?
How many hours of daylight does Dewey Corner have in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Dewey Corner have in May?
What is the month with the highest UV index?
What is the UV index intensity in May?
Average temperature in May
Dewey Corner, PA
- Average high temperature in May: 68.4°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in May: 48°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in May
Dewey Corner, PA
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Dewey Corner, PA
- Average wind speed in May: 6.2mph
The windiest months (with the highest average wind speed) are January, March and April (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in May
Dewey Corner, PA
- Average humidity in May: 79%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (77%).
Average rainfall in May
Dewey Corner, PA
- Average rainfall in May: 3.31"
The wettest month (with the highest rainfall) is July (3.43").
The driest month (with the least rainfall) is November (1.93").
Average rainfall days in May
Dewey Corner, PA
- Average rainfall days in May: 19.3 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is February (8.8 days).
Average snowfall in May
Dewey Corner, PA
- Average snowfall in May: 0.12"
The month with the highest snowfall is February (6.18").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Dewey Corner, PA
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Dewey Corner, 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 1min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in May
Dewey Corner, PA
- Average sunshine days in May: 10.2 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in May
Dewey Corner, 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
Dewey Corner, PA
- Average cloud cover in May: 49
The months with the most cloud cover are January, February and December (Cloud cover 59).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in May
Dewey Corner, 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).
Dewey Corner, Pennsylvania, USA
Weather forecast for your location
2. Allow the app to use your location