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 sea temperature 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 temperature shift, moving from a fresh 55°F (12.8°C) in April to an enjoyable 65.3°F (18.5°C). During May, the temperature tends to dip to an average of 54.1°F (12.3°C) at night.Humidity
February, May and December, with an average relative humidity of 75%, are the most humid months.Rainfall
In May, the rain falls for 17.2 days. Throughout May, 3.11" (79mm) of precipitation is accumulated. In Sea Cliff, during the entire year, the rain falls for 165.9 days and collects up to 37.56" (954mm) of precipitation.Snowfall
May through October are months without snowfall.Ocean temperature
In May, the average ocean temperature is 54.1°F (12.3°C).Note: Swimming in 54.1°F (12.3°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.
Daylight
The average length of the day in May is 14h and 29min.On the first day of the month, sunrise is at 5:51 am and sunset at 7:51 pm. On the last day of May, sunrise is at 5:25 am and sunset at 8:19 pm EDT.
Sunshine
In May, the average sunshine is 8.8h.UV index
In Sea Cliff, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The UV index of 5 in May translates into these instructions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the most humid month?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
Does it snow in May?
How cold is the water in May?
How many hours of daylight does Sea Cliff have in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Sea Cliff have in May?
What is the UV index intensity in May?
Average temperature in May
Sea Cliff, NY
- Average high temperature in May: 65.3°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (36.5°F).
- Average low temperature in May: 54.1°F
The months with the highest average low temperature are July and August (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).
Average pressure in May
Sea Cliff, NY
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Sea Cliff, NY
- Average wind speed in May: 8.3mph
The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in May
Sea Cliff, NY
- Average humidity in May: 75%
The months with the highest relative humidity are February, May and December (75%).
The months with the lowest relative humidity are August and November (71%).
Average rainfall in May
Sea Cliff, NY
- Average rainfall in May: 3.11"
The wettest month (with the highest rainfall) is December (4.06").
The driest month (with the least rainfall) is September (2.4").
Average rainfall days in May
Sea Cliff, NY
- Average rainfall days in May: 17.2 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in May
Sea Cliff, NY
- Average snowfall in May: 0"
The month with the highest snowfall is March (2.01").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Sea Cliff, NY
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average sea temperature in May
Sea Cliff, NY
- Average sea temperature in May: 54.1°F
The best month for swimming (with the highest average sea temperature) is August (74.1°F).
The coldest month (with the lowest average sea temperature) is February (39.9°F).
Average daylight in May /
Average sunshine in May
Sea Cliff, NY
- Average daylight in May: 14h and 3min
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 5min
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
Sea Cliff, NY
- Average sunshine days in May: 12.3 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in May
Sea Cliff, 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
Sea Cliff, NY
- Average cloud cover in May: 43
The months with the most cloud cover are February and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in May
Sea Cliff, 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).
Sea Cliff, New York, USA
Weather forecast for your location
2. Allow the app to use your location