May weather forecastPlandome Heights, NY
May
Weather in May
The last month of the spring, May, is a comfortable month in Plandome Heights, New York, with temperature in the range of an average high of 66.2°F (19°C) and an average low of 53.6°F (12°C).Temperature
Observing a rise in May, the average high-temperature goes from April's mild 56.1°F (13.4°C) to an enjoyable 66.2°F (19°C). The nighttime temperature dips to a cool 53.6°F (12°C) on average during May.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, 2.99" (76mm) of precipitation is accumulated. In Plandome Heights, New York, during the entire year, the rain falls for 168.7 days and collects up to 36.69" (932mm) of precipitation.Snowfall
May through October are months without snowfall.Ocean temperature
In Plandome Heights, the average seawater temperature in May is 54.1°F (12.3°C).Note: Unprotected swimming in 54.1°F (12.3°C) is dangerous due to potential cold shock. Especially when temperatures go below 50°F (10°C), leading to hyperventilation.
Daylight
In May, the average length of the day is 14h and 29min.On the first day of the month, sunrise is at 5:52 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 in Plandome Heights is 8.8h.UV index
The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 5 in May translates into this advice:
Take necessary precautions - Protection from skin and eye injury is mandatory. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Plandome Heights, NY
- Average high temperature in May: 66.2°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (36.5°F).
- Average low temperature in May: 53.6°F
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in May
Plandome Heights, 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
Plandome Heights, NY
- Average wind speed in May: 7.8mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in May
Plandome Heights, NY
- Average humidity in May: 75%
The months with the highest relative humidity are February, May and December (75%).
The month with the lowest relative humidity is August (70%).
Average rainfall in May
Plandome Heights, NY
- Average rainfall in May: 2.99"
The wettest month (with the highest rainfall) is December (3.98").
The driest month (with the least rainfall) is February (2.36").
Average rainfall days in May
Plandome Heights, NY
- Average rainfall days in May: 17.2 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (9.2 days).
Average snowfall in May
Plandome Heights, NY
- Average snowfall in May: 0"
The month with the highest snowfall is March (2.32").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Plandome Heights, NY
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (7.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in May
Plandome Heights, 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
Plandome Heights, 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 48min
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
Plandome Heights, NY
- Average sunshine days in May: 12.3 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (11.1 days).
Average UV index in May
Plandome Heights, 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
Plandome Heights, NY
- Average cloud cover in May: 43
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
Plandome Heights, 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).
