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 fresh 52.3°F (11.3°C) in April to a refreshing 65.5°F (18.6°C). Throughout the month of May, Great Valley sees a steady low-temperature average of 45.7°F (7.6°C).Humidity
With an average relative humidity of 79%, May is the least humid month in Great Valley.Rainfall
In Great Valley, in May, during 18.1 rainfall days, 2.64" (67mm) of precipitation is typically accumulated. In Great Valley, during the entire year, the rain falls for 159.5 days and collects up to 28.03" (712mm) of precipitation.Snowfall
Months with snowfall in Great Valley are January through May, October through December. May is the last month it regularly snows. During 0.8 snowfall days, in May, Great Valley aggregates 0.16" (4mm) of snow. Throughout the year, in Great Valley, there are 75.5 snowfall days, and 34.17" (868mm) of snow is accumulated.Daylight
In Great Valley, New York, the average length of the day in May is 14h and 36min.On the first day of May in Great Valley, sunrise is at 6:08 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 8:43 pm EDT.
Sunshine
The average sunshine in May in Great Valley is 8.4h.UV index
The average daily maximum UV index in May in Great Valley is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In May, a regular UV index of 4 translates into these guidelines:
Exercise prevention - Protecting skin and eyes from harm is required. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Great Valley?
What is the least humid month in Great Valley?
What is the average humidity in May in Great Valley?
How much does it rain in Great Valley in May?
What is the last month it snows in Great Valley?
How many hours of daylight does Great Valley have in May?
When are sunrise and sunset in May in Great Valley?
How long on average sun shines in May in Great Valley?
What is the UV index reading in May in Great Valley?
Average temperature in May
Great Valley, NY
- Average high temperature in May: 65.5°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in May: 45.7°F
The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in May
Great Valley, NY
- Average pressure in May: 29.99"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Great Valley, NY
- Average wind speed in May: 7.4mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in May
Great Valley, NY
- Average humidity in May: 79%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (79%).
Average rainfall in May
Great Valley, NY
- Average rainfall in May: 2.64"
The wettest month (with the highest rainfall) is April (3.27").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in May
Great Valley, NY
- Average rainfall days in May: 18.1 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in May
Great Valley, NY
- Average snowfall in May: 0.16"
The month with the highest snowfall is February (8.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Great Valley, NY
- Average snowfall days in May: 0.8 days
The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Great Valley, NY
- 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 2min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in May
Great Valley, NY
- Average sunshine days in May: 10.4 days
The month with the most sunshine days is September (13.3 days).
The month with the least sunshine days is January (8.3 days).
Average UV index in May
Great Valley, NY
- Average UV index in May: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in May
Great Valley, NY
- Average cloud cover in May: 48
The month with the most cloud cover is January (Cloud cover 79).
The months with the least cloud cover are July and August (Cloud cover 39).
Average visibility in May
Great Valley, NY
- Average visibility in May: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).
Great Valley, New York, USA
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