May weather forecast
Mastic Beach, NY

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Weather in May

May, the last month of the spring in Mastic Beach, is a mild month, with an average temperature varying between 54.1°F (12.3°C) and 60.4°F (15.8°C).

Temperature

The beginning of May marks a shift in the average high-temperature, moving from April's cool 51.4°F (10.8°C) to a moderate 60.4°F (15.8°C). Mastic Beach's nights in May maintain a consistent average of 54.1°F (12.3°C), demonstrating a minimal differential from its daytime temperature.

Humidity

May is the most humid month, with an average relative humidity of 80%.

Rainfall

In Mastic Beach, during May, the rain falls for 15 days and regularly aggregates up to 2.4" (61mm) of precipitation. Throughout the year, there are 156.2 rainfall days, and 30.2" (767mm) of precipitation is accumulated.

Snowfall

In Mastic Beach, snow does not fall in May through October.

Daylight

The average length of the day in May in Mastic Beach is 14h and 28min.
On the first day of May in Mastic Beach, sunrise is at 5:48 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 5:22 am and sunset at 8:16 pm EDT.

Sunshine

The average sunshine in May is 8.9h.

UV index

The average daily maximum UV index in May in Mastic Beach is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: During May, 5 as the daily maximum UV index converts into the following advice:
Take necessary precautions - Protection from skin and eye injury is mandatory. It's recommended to limit sun exposure when its radiation is at its peak during midday. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature in Mastic Beach?

The high-temperature, in May, in Mastic Beach, is 60.4°F (15.8°C), while the low-temperature averages to 54.1°F (12.3°C).

What is the most humid month in Mastic Beach?

May is the most humid month, with an average relative humidity of 80%.

What is the average humidity in May in Mastic Beach?

The average relative humidity in May is 80%.

How much does it rain in Mastic Beach in May?

In Mastic Beach, during May, the rain falls for 15 days and regularly aggregates up to 2.4" (61mm) of precipitation.

When it does not snow in Mastic Beach?

In Mastic Beach, New York, snow does not fall in May through October.

Does it snow in Mastic Beach in May?

In May, in Mastic Beach, New York, it doesn't snow. April is the latest month when it typically snows.

What is the average length of the day in May in Mastic Beach?

In May, the average day length is 14h and 28min.

When is the sunrise / sunset in May in Mastic Beach?

On the first day of May in Mastic Beach, sunrise is at 5:48 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 5:22 am and sunset at 8:16 pm EDT.

How many hours of sunshine does Mastic Beach have in May?

The average sunshine duration in May is 8.9h.

What is the UV index reading in May in Mastic Beach?

In Mastic Beach, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Mastic Beach, NY

Average temperature in May - Mastic Beach, NY
  • Average high temperature in May: 60.4°F

The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is January (38.7°F).

  • Average low temperature in May: 54.1°F

The months with the highest average low temperature are July and August (71.4°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

Average pressure in May
Mastic Beach, NY

Average pressure in May - Mastic Beach, 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
Mastic Beach, NY

Average wind speed in May - Mastic Beach, NY
  • Average wind speed in May: 10.7mph

The windiest month (with the highest average wind speed) is January (14.5mph).
The calmest months (with the lowest average wind speed) are July and August (9.6mph).

Average humidity in May
Mastic Beach, NY

Average humidity in May - Mastic Beach, NY
  • Average humidity in May: 80%

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is November (71%).

Average rainfall in May
Mastic Beach, NY

Average rainfall in May - Mastic Beach, NY
  • Average rainfall in May: 2.4"

The wettest month (with the highest rainfall) is December (3.31").
The driest months (with the least rainfall) are January, February and September (2.01").

Average rainfall days in May
Mastic Beach, NY

Average rainfall days in May - Mastic Beach, NY
  • Average rainfall days in May: 15 days

The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is February (9 days).

Average snowfall in May
Mastic Beach, NY

Average snowfall in May - Mastic Beach, NY
  • Average snowfall in May: 0"

The month with the highest snowfall is January (1.5").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in May
Mastic Beach, NY

Average snowfall days in May - Mastic Beach, NY
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (5.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in May /
Average sunshine in May
Mastic Beach, NY

Average daylight in May / Average sunshine in May - Mastic Beach, 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 months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in May
Mastic Beach, NY

Average sunshine days in May - Mastic Beach, NY
  • Average sunshine days in May: 14.2 days

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is February (12.8 days).

Average UV index in May
Mastic Beach, NY

Average UV index in May - Mastic Beach, 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 and December (UV index 2).

Average cloud cover in May
Mastic Beach, NY

Average cloud cover in May - Mastic Beach, NY
  • Average cloud cover in May: 41

The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 26).

Average visibility in May
Mastic Beach, NY

Average visibility in May - Mastic Beach, 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).

Mastic Beach, New York, USA

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