May weather forecastCold Spring Harbor, NY
May
Weather in May
May, the last month of the spring in Cold Spring Harbor, is a comfortable month, with an average temperature fluctuating between 54.1°F (12.3°C) and 63.7°F (17.6°C).Temperature
May's arrival coincides with a temperature rise, moving from April's cool 54°F (12.2°C) to a refreshing 63.7°F (17.6°C). During May nights, Cold Spring Harbor witnesses a consistent average temperature of 54.1°F (12.3°C).Humidity
The months with the highest humidity are May and June, with an average relative humidity of 76%.Rainfall
In Cold Spring Harbor, in May, during 16.3 rainfall days, 2.95" (75mm) of precipitation is typically accumulated. Throughout the year, there are 152.5 rainfall days, and 35.04" (890mm) of precipitation is accumulated.Snowfall
In Cold Spring Harbor, snow does not fall in May through October.Ocean temperature
In Cold Spring Harbor, the average seawater temperature in May is 53.4°F (11.9°C).Note: Navigating the 53.4°F (11.9°C) at 55.4°F (13°C) is no joy, and temperatures less than 50°F (10°C) can threaten breathing and cause a chilling shock, gauging personal stamina.
Daylight
In May, the average length of the day is 14h and 29min.On the first day of May in Cold Spring Harbor, sunrise is at 5:50 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:24 am and sunset at 8:18 pm EDT.
Sunshine
In Cold Spring Harbor, the average sunshine in May is 8.9h.UV index
The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high daily UV index of 5 during May translates into the following directions:
Heed the precautions - It is counselled to guard against solar damage. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Cold Spring Harbor, NY
- Average high temperature in May: 63.7°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in May: 54.1°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (28.6°F).
Average pressure in May
Cold Spring Harbor, NY
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Cold Spring Harbor, NY
- Average wind speed in May: 8.9mph
The windiest month (with the highest average wind speed) is January (12.2mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in May
Cold Spring Harbor, NY
- Average humidity in May: 76%
The months with the highest relative humidity are May and June (76%).
The month with the lowest relative humidity is November (71%).
Average rainfall in May
Cold Spring Harbor, NY
- Average rainfall in May: 2.95"
The wettest month (with the highest rainfall) is July (4.09").
The driest month (with the least rainfall) is January (2.09").
Average rainfall days in May
Cold Spring Harbor, NY
- Average rainfall days in May: 16.3 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in May
Cold Spring Harbor, NY
- Average snowfall in May: 0"
The month with the highest snowfall is March (1.77").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Cold Spring Harbor, NY
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (4.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in May
Cold Spring Harbor, NY
- Average sea temperature in May: 53.4°F
The best month for swimming (with the highest average sea temperature) is August (74°F).
The coldest month (with the lowest average sea temperature) is February (39.7°F).
Average daylight in May /
Average sunshine in May
Cold Spring Harbor, NY
- Average daylight in May: 14h and 30min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 8h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in May
Cold Spring Harbor, NY
- Average sunshine days in May: 13.7 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (11.4 days).
Average UV index in May
Cold Spring Harbor, NY
- Average UV index in May: 5
The months with the highest UV index are 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
Cold Spring Harbor, NY
- Average cloud cover in May: 42
The month with the most cloud cover is December (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in May
Cold Spring Harbor, NY
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





