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 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
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Mastic Beach?
What is the most humid month in Mastic Beach?
What is the average humidity in May in Mastic Beach?
How much does it rain in Mastic Beach in May?
When it does not snow in Mastic Beach?
Does it snow in Mastic Beach in May?
What is the average length of the day in May in Mastic Beach?
When is the sunrise / sunset in May in Mastic Beach?
How many hours of sunshine does Mastic Beach have in May?
What is the UV index reading in May in Mastic Beach?
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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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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