August Weather in Mastic Beach, United States

Last updated: June 24, 2025

In Mastic Beach, United States, the average temperature in August hovers around 24°C (75°F), making it a pleasant time to visit. Expect a minimum temperature of 17°C (63°F) and a maximum of 29°C (84°F). The month experiences 98 mm (3.8 in) of rainfall over 11 days, so be prepared for some wet weather. With an average humidity of 65%, the air can feel quite comfortable, perfect for enjoying all that this beautiful locale has to offer!

August Temperature in Mastic Beach

In August in Mastic Beach, the average temperature is 24°C (75°F), with maximums reaching 29°C (84°F) and minimums dropping as low as 17°C (63°F). This pleasant climate makes it an ideal time for outdoor activities and exploration.

August Weather in Mastic Beach: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Mastic Beach, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mastic Beach, August typically has an average temperature of 24°C (75°F), with highs reaching up to 29°C (84°F) and lows dropping to around 17°C (63°F).
JanFebMarAprMayJunJulAugSepOctNovDec373841485767757569615042
Data source: Temperature data for Mastic Beach generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Mastic Beach

In Mastic Beach in August, the precipitation amount is 98 mm (3.8 in) over the course of 11 days.

August Precipitation Trends in Mastic Beach

The chart displays monthly precipitation patterns in Mastic Beach, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Mastic Beach, August typically receives around 98 mm (3.8 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec81107106122117681009887139102134
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Mastic Beach

In Mastic Beach in August humidity is 65%. With average temperature 24°C (75°F), this humidity feels like a warm blanket enveloping you, making outdoor activities a bit sticky but still enjoyable for exploring sights and sounds.

August Average Humidity in Mastic Beach

This chart illustrates the average monthly humidity levels in Mastic Beach, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Mastic Beach is approximately 65%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%81%78%70%69%62%65%68%74%82%80%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Mastic Beach

In Mastic Beach in August, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Mastic Beach.

Maximum UV Index Levels in Mastic Beach for August

The chart shows the monthly maximum UV Index (UVI) for Mastic Beach in August, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In August, the maximum UV index in Mastic Beach typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356810101098642
Data source: Mastic Beach August UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How August Weather in Mastic Beach Compares to Other Months

Weather in Mastic Beach varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Mastic Beach, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Mastic Beach, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)81 mm (3.2 inches)84%moderate
February Weather3°C (38°F)107 mm (4.2 inches)82%moderate
March Weather5°C (41°F)106 mm (4.2 inches)81%high
April Weather9°C (48°F)122 mm (4.8 inches)78%very high
May Weather14°C (57°F)117 mm (4.6 inches)69%very high
June Weather19°C (67°F)68 mm (2.7 inches)69%very high
July Weather24°C (75°F)100 mm (3.9 inches)62%very high
August Weather24°C (75°F)98 mm (3.8 inches)65%very high
September Weather21°C (70°F)87 mm (3.4 inches)68%very high
October Weather16°C (62°F)139 mm (5.5 inches)74%high
November Weather10°C (50°F)102 mm (4.0 inches)82%moderate
December Weather5°C (42°F)134 mm (5.3 inches)80%low

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