May weather forecast and climate
Sea Cliff, NY

The last month of the spring, May, is a comfortable month in Sea Cliff, New York, with average temperature varying between 54.1°F (12.3°C) and 65.3°F (18.5°C).

Temperature

In May, the average high-temperature rises, from a fresh 55°F (12.8°C) in April, to a comfortable 65.3°F (18.5°C). The average low-temperature, in May, is 54.1°F (12.3°C).

Humidity

February, May and December, with an average relative humidity of 75%, are most humid months in Sea Cliff, New York.

Rainfall

In Sea Cliff, during 17.2 rainfall days, 3.11" (79mm) of precipitation is typically accumulated. Throughout the year, there are 165.9 rainfall days, and 37.56" (954mm) of precipitation is accumulated.

Snowfall

In Sea Cliff snow does not fall through October.

Ocean temperature

In Sea Cliff, the average water 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 14.5h.

Sunshine

The average sunshine in May is 8.8h.

UV index

In May, the average daily maximum UV index in Sea Cliff is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in May in Sea Cliff?

In May, in Sea Cliff, New York, the average high-temperature is 65.3°F (18.5°C), and the average low-temperature is 54.1°F (12.3°C).

What is the most humid month in Sea Cliff?

February, May and December, with an average relative humidity of 75%, are most humid months.

What is the average humidity in May in Sea Cliff?

The average relative humidity in May in Sea Cliff, New York, is 75%.

How much does it rain in Sea Cliff in May?

In Sea Cliff, New York, during May, the rain falls for 17.2 days and regularly aggregates up to 3.11" (79mm) of precipitation.

Does it snow in Sea Cliff in May?

In May, in Sea Cliff, it doesn't snow. April is the latest month when it typically snows.

When it does not snow in Sea Cliff?

May through October are months without snowfall in Sea Cliff.

How cold is the water in May in Sea Cliff?

In May, the average ocean temperature in Sea Cliff is 54.1°F (12.3°C). Swimming in 54.1°F (12.3°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

What is the average length of the day in May in Sea Cliff?

In Sea Cliff, the average length of the day in May is 14.5h.

How long on average sun shines in May in Sea Cliff?

In May, the average sunshine in Sea Cliff is 8.8h.

How high is the UV index in May in Sea Cliff?

In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in May - Sea Cliff, NY
  • Average high temperature in May: 18.5°C

The warmest month (with the highest average high temperature) is July (27.5°C).
The month with the lowest average high temperature is January (2.5°C).

  • Average low temperature in May: 12.3°C

Months with the highest average low temperature are July and August (21.3°C).
The coldest month (with the lowest average low temperature) is January (-2.6°C).

Average pressure in May - Sea Cliff, NY
  • Average pressure in May: 1016.3mbar

The month with the highest atmospheric pressure is November (1019.2mbar).
The month with the lowest atmospheric pressure is June (1013.6mbar).

Average wind speed in May - Sea Cliff, NY
  • Average wind speed in May: 13.3km/h

The windiest month (with the highest average wind speed) is January (18km/h).
The calmest month (with the lowest average wind speed) is July (11.7km/h).

Average humidity in May - Sea Cliff, NY
  • Average humidity in May: 75%

Months with the highest relative humidity are February, May and December (75%).
Months with the lowest relative humidity are August and November (71%).

Average rainfall in May - Sea Cliff, NY
  • Average rainfall in May: 79mm

The wettest month (with the highest rainfall) is December (103mm).
The driest month (with the least rainfall) is September (61mm).

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: 0mm

The month with the highest snowfall is March (51mm).
Months with the least snowfall are May, June, July, August, September and October (0mm).

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).
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: 12.3°C

The best month for swimming (with the highest average sea temperature) is August (23.4°C).
The coldest month (with the lowest average sea temperature) is February (4.4°C).

Average daylight in May / Average sunshine in May - Sea Cliff, NY
  • Average daylight in May: 14.5h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in May: 8.8h

The month with the most sunshine is July (Average sunshine: 10.7h).
The month with the least sunshine is February (Average sunshine: 4.8h).

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

Months with the highest UV index are June, July and August (UV index 6).
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

Months with the most cloud cover are February and December (Cloud cover 47).
Months with the least cloud cover are July and August (Cloud cover 29).

Average visibility in May - Sea Cliff, NY
  • Average visibility in May: 9km

Months with the highest visibility are August, September and November (10km).
Months with the lowest visibility are January, February, March, April, May, June, July, October and December (9km).