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 arrival of May brings a temperature shift, with the average high-temperature escalating from a cool 52.3°F (11.3°C) in April to a refreshing 65.7°F (18.7°C). Throughout May nights, Glen Castle registers an average low-temperature of 46°F (7.8°C).Humidity
April through July, with an average relative humidity of 80%, are the least humid months.Rainfall
In Glen Castle, New York, in May, it is raining for 18.7 days, with typically 3.46" (88mm) of accumulated precipitation. Throughout the year, there are 173.5 rainfall days, and 35.67" (906mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Glen Castle. During 0.8 snowfall days, in May, Glen Castle aggregates 0.47" (12mm) of snow. Throughout the year, there are 94.8 snowfall days, and 48.82" (1240mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 36min.On the first day of the month, sunrise is at 5:58 am and sunset at 8:03 pm. On the last day of May, sunrise is at 5:29 am and sunset at 8:32 pm EDT.
Sunshine
The average sunshine in May in Glen Castle is 8h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high daily UV index of 5 during May translates into the following directions:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Glen Castle in May?
What are the least humid months in Glen Castle?
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 Glen Castle have in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Glen Castle have in May?
What are the months with the highest UV index?
How high is the UV index in May?
Average temperature in May
Glen Castle, NY
- Average high temperature in May: 65.7°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (27.3°F).
- Average low temperature in May: 46°F
The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).
Average pressure in May
Glen Castle, NY
- Average pressure in May: 30"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
Glen Castle, NY
- Average wind speed in May: 7.3mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in May
Glen Castle, NY
- Average humidity in May: 80%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, May, June and July (80%).
Average rainfall in May
Glen Castle, NY
- Average rainfall in May: 3.46"
The wettest month (with the highest rainfall) is June (3.58").
The driest months (with the least rainfall) are January and November (2.4").
Average rainfall days in May
Glen Castle, NY
- Average rainfall days in May: 18.7 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in May
Glen Castle, NY
- Average snowfall in May: 0.47"
The month with the highest snowfall is February (10.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Glen Castle, NY
- Average snowfall days in May: 0.8 days
The month with the highest number of snowfall days is January (21.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Glen Castle, 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 0min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).
Average sunshine days in May
Glen Castle, NY
- Average sunshine days in May: 9.8 days
The month with the most sunshine days is September (14.3 days).
The month with the least sunshine days is February (5.7 days).
Average UV index in May
Glen Castle, NY
- 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, February and December (UV index 1).
Average cloud cover in May
Glen Castle, NY
- Average cloud cover in May: 50
The month with the most cloud cover is February (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 39).
Average visibility in May
Glen Castle, 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).
Glen Castle, New York, USA
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