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
May brings a temperature change, with average high-temperatures moving from April's fresh 53.6°F (12°C) to a comfortable 66.7°F (19.3°C). Throughout the month of May, the average temperature in Gaines, Pennsylvania, dips to a chilly 45.9°F (7.7°C) at night.Humidity
In Gaines, the average relative humidity in May is 79%.Rainfall
In Gaines, Pennsylvania, in May, during 15.3 rainfall days, 1.61" (41mm) of precipitation is typically accumulated. Throughout the year, in Gaines, there are 125.8 rainfall days, and 15.71" (399mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.5 snowfall days, in May, Gaines aggregates 0.28" (7mm) of snow. Throughout the year, in Gaines, there are 43.8 snowfall days, and 13.39" (340mm) of snow is accumulated.Daylight
In Gaines, Pennsylvania, the average length of the day in May is 14h and 34min.On the first day of the month, sunrise is at 6:05 am and sunset at 8:08 pm. On the last day of May, sunrise is at 5:37 am and sunset at 8:38 pm EDT.
Sunshine
In Gaines, Pennsylvania, the average sunshine in May is 8.2h.UV index
The months with the highest UV index in Gaines, Pennsylvania, 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 exposure to the Sun's UV rays for the ordinary person.Note: An average UV index of 5 in May transforms into this advice:
Prioritize safety - Recommendations to avert sunburn are shared. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Frequently asked questions
What is the usual temperature for Gaines in May?
What is the average humidity in May in Gaines?
How many days does it rain in May in Gaines?
What is the last month it snows in Gaines?
What is the average length of the day in May in Gaines?
What time are sunrise and sunset in May in Gaines?
How many hours of sunshine does Gaines have in May?
When is the highest UV index in Gaines?
What is the UV index reading in May in Gaines?
Average temperature in May
Gaines, PA
- Average high temperature in May: 66.7°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in May: 45.9°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in May
Gaines, PA
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Gaines, PA
- Average wind speed in May: 7.1mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in May
Gaines, PA
- Average humidity in May: 79%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are June and July (78%).
Average rainfall in May
Gaines, PA
- Average rainfall in May: 1.61"
The wettest month (with the highest rainfall) is April (1.69").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in May
Gaines, PA
- Average rainfall days in May: 15.3 days
The month with the highest number of rainy days is July (15.5 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in May
Gaines, PA
- Average snowfall in May: 0.28"
The month with the highest snowfall is February (3.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Gaines, PA
- Average snowfall days in May: 0.5 days
The month with the highest number of snowfall days is February (10.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Gaines, PA
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in May: 8h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The months with the least sunshine are January and December (Average sunshine: 3h and 6min).
Average sunshine days in May
Gaines, PA
- Average sunshine days in May: 12.5 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is May (12.5 days).
Average UV index in May
Gaines, PA
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Gaines, PA
- Average cloud cover in May: 50
The months with the most cloud cover are January, February and December (Cloud cover 69).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in May
Gaines, PA
- Average visibility in May: 5mi
The month with the highest visibility is April (6mi).
The month with the lowest visibility is September (4mi).
Gaines, Pennsylvania, USA
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