Mastic Beach, NY has a humid continental climate with hot and humid summers and cold, dry winters. The average temperature in the summer is around 77°F while winter temperatures can drop as low as 25°F. Precipitation levels are high throughout the year, with an average of 43 inches annually. The area is known for its strong winds coming off the Atlantic Ocean which bring storms and humidity from the east. There are also extreme heat waves during the summer months that can make it uncomfortable to be outside for extended periods of time.
Mastic Beach, New York gets 48 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Mastic Beach averages 29 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 204 sunny days per year in Mastic Beach. The US average is 205 sunny days.
Mastic Beach gets some kind of precipitation, on average, 114 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.
Weather Highlights
Summer High: the July high is around 82 degrees
Winter Low: the January low is 22
Rain: averages 48 inches of rain a year
Snow: averages 29 inches of snow a year