May weather forecast
Cornell, PA

Share

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.
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May?

The high-temperature, in May, in Cornell, records 71.2°F (21.8°C), while the low-temperature is 53.6°F (12°C).

What is the average humidity in May?

The average relative humidity in May is 75%.

How many days does it rain in May?

In Cornell, in May, during 16.8 rainfall days, 2.83" (72mm) of precipitation is typically accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 0.1 snowfall days, in May, Cornell aggregates 0.28" (7mm) of snow.

How many hours of daylight does Cornell have in May?

In Cornell, the average day length in May is 14h and 25min.

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 5:58 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 8:23 pm EDT.

How many hours of sunshine does Cornell have in May?

The average sunshine duration in May is 8.5h.

What is the month with the highest UV index?

The months with the highest UV index are May through August, with an average maximum UV index of 6.

What is the UV index intensity in May?

The average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Cornell, PA

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in May - Cornell, 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 3min

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 - 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 - 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 - 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 - 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).

Cornell, Pennsylvania, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location