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's arrival signals a significant increase in average high-temperatures, soaring from April's fresh 50.7°F (10.4°C) to a comfortable 65.5°F (18.6°C). During May, South Plattsburgh's temperature averages to a chilly 46°F (7.8°C) at night.Humidity
The months with the lowest humidity are April and May, with an average relative humidity of 75%.Rainfall
In South Plattsburgh, New York, in May, during 15.9 rainfall days, 2.64" (67mm) of precipitation is typically accumulated. Throughout the year, there are 162.6 rainfall days, and 27.6" (701mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.7 snowfall days, in May, South Plattsburgh aggregates 0.16" (4mm) of snow. In South Plattsburgh, during the entire year, snow falls for 78.2 days and aggregates up to 37.13" (943mm) of snow.Daylight
In May, the average length of the day is 14h and 50min.On the first day of May, sunrise is at 5:42 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 5:11 am and sunset at 8:31 pm EDT.
Sunshine
The average sunshine in May is 8.9h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 5 during May leads to these instructions:
Ensure safety - Recommendations to avert sunburn are presented. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the least humid month?
What is the average humidity in May?
How many days does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
When is the sunrise / sunset in May?
How long on average sun shines in May?
What is the month with the highest UV index?
What is the UV index reading in May in South Plattsburgh?
Average temperature in May
South Plattsburgh, NY
- Average high temperature in May: 65.5°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (24.8°F).
- Average low temperature in May: 46°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).
Average pressure in May
South Plattsburgh, NY
- Average pressure in May: 29.97"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
South Plattsburgh, NY
- Average wind speed in May: 6.8mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in May
South Plattsburgh, NY
- Average humidity in May: 75%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April and May (75%).
Average rainfall in May
South Plattsburgh, NY
- Average rainfall in May: 2.64"
The wettest month (with the highest rainfall) is June (3.15").
The driest month (with the least rainfall) is February (1.73").
Average rainfall days in May
South Plattsburgh, NY
- Average rainfall days in May: 15.9 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in May
South Plattsburgh, NY
- Average snowfall in May: 0.16"
The month with the highest snowfall is February (10").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
South Plattsburgh, NY
- Average snowfall days in May: 0.7 days
The month with the highest number of snowfall days is January (19.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
South Plattsburgh, NY
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in May
South Plattsburgh, NY
- Average sunshine days in May: 12.7 days
The month with the most sunshine days is September (14.9 days).
The month with the least sunshine days is February (8.6 days).
Average UV index in May
South Plattsburgh, 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 and December (UV index 1).
Average cloud cover in May
South Plattsburgh, NY
- Average cloud cover in May: 42
The month with the most cloud cover is February (Cloud cover 64).
The months with the least cloud cover are July, August and September (Cloud cover 31).
Average visibility in May
South Plattsburgh, NY
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
South Plattsburgh, New York, USA
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