May weather forecastCornell, PA
May
Weather in May
The last month of the spring, May, is a pleasant month in Cornell, Pennsylvania, with an average temperature varying between 53.6°F (12°C) and 71.2°F (21.8°C).Temperature
With the onset of May, Cornell sees a temperature rise, with the average high-temperature moving from April's mild 60.6°F (15.9°C) to an agreeable 71.2°F (21.8°C). Cornell's average low-temperature in May is measured at a fresh 53.6°F (12°C).Humidity
In May, the average relative humidity is 75%.Rainfall
In Cornell, during May, the rain falls for 16.8 days and regularly aggregates up to 2.83" (72mm) of precipitation. Throughout the year, there are 156 rainfall days, and 31.77" (807mm) of precipitation is accumulated.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, Cornell aggregates 0.28" (7mm) of snow. In Cornell, during the entire year, snow falls for 24 days and aggregates up to 12.13" (308mm) of snow.Daylight
In Cornell, the average length of the day in May is 14h and 25min.On the first day of the month, sunrise is at 5:58 am and sunset at 7:55 pm. On the last day of May, sunrise is at 5:32 am and sunset at 8:23 pm EDT.
Sunshine
In May, the average sunshine is 8.5h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum UV index of 6 in May translates into the following recommendations:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Cornell, PA
- Average high temperature in May: 71.2°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in May: 53.6°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in May
Cornell, PA
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Cornell, PA
- Average wind speed in May: 6.7mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in May
Cornell, PA
- Average humidity in May: 75%
The months with the highest relative humidity are February and October (78%).
The months with the lowest relative humidity are April, July and August (72%).
Average rainfall in May
Cornell, PA
- Average rainfall in May: 2.83"
The wettest month (with the highest rainfall) is December (3.31").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in May
Cornell, PA
- Average rainfall days in May: 16.8 days
The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in May
Cornell, PA
- Average snowfall in May: 0.28"
The month with the highest snowfall is March (3.78").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Cornell, PA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Cornell, PA
- Average daylight in May: 14h and 24min
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 30min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in May
Cornell, PA
- Average sunshine days in May: 12.1 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is June (11.4 days).
Average UV index in May
Cornell, PA
- Average UV index in May: 6
The months with the highest UV index are May, June, July and August (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
Cornell, PA
- Average cloud cover in May: 47
The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in May
Cornell, PA
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
