Weather in Mastic Beach in May

General weather information about Mastic Beach

Average annual temperature is 12.7 °C

Absolute maximum temperature: 28.3 °C

Absolute minimum temperature: -15.0 °C

Number of sunny days: 191 days

Number of rainy days: 167 days

Number of snow days: 7 days

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* Weather data for Mastic Beach United States is based on climate observations for 2026 year

Mastic Beach air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)11.711.210.815.020.322.728.325.925.921.417.314.6
Average daytime temperature (°C)7.56.37.611.415.219.024.923.821.717.211.68.8
Average temperature (°C)5.33.75.19.713.417.523.622.320.015.48.66.7
Average night temperature (°C)3.41.22.98.111.616.122.120.618.313.66.24.8
Absolute minimum temperature (°C)-0.7-15.0-1.33.28.010.618.318.213.88.7-0.9-2.3

Mastic Beach monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.610.711.913.314.515.014.813.812.511.19.99.3
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)4.86.67.58.412.311.911.810.68.18.27.45.7
Precipitation (mm)1155810911349601281612347939186
Sunny days91516142518131414161720
Rainy days20101516612181716151111
Snow days230000000020

Mastic Beach - weather forecast by months

Mastic Beach weather in januaryMastic Beach weather in februaryMastic Beach weather in marchMastic Beach weather in aprilMastic Beach weather in mayMastic Beach weather in juneMastic Beach weather in julyMastic Beach weather in augustMastic Beach weather in septemberMastic Beach weather in octoberMastic Beach weather in novemberMastic Beach weather in december

Best time to visit Mastic Beach:

The best time to visit Mastic Beach during the most sunny months:

  • May — 12.3(h)
  • June — 11.9(h)
  • July — 11.8(h)

The largest precipitation sum in Mastic Beach is at

  • August — 161(mm)
  • September — 234(mm)
  • December — 186(mm)

    • Weather forecast in the closest to Mastic Beach admin centers

    Weather forecast in the closest towns to Mastic Beach

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    MapTrains schedule
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    Frequently asked questions

    When is the best time to visit Mastic Beach?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Mastic Beach.
    What is the weather like in Mastic Beach?
    See average temperature, rainfall and daylight hours for Mastic Beach by month in the table above.
    How many sunny days does Mastic Beach have?
    The monthly weather statistics above show sunshine and rainfall patterns for Mastic Beach throughout the year.