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April Weather in Mastic Beach, United States

Last updated: June 24, 2025

In April, the average temperature in Mastic Beach, United States is a brisk 9°C (48°F), with minimums dipping to 0°C (32°F) and reaching up to a pleasant 20°C (68°F). Expect a total precipitation of 122 mm (4.8 in) spread over about 12 days, contributing to an average humidity level of 78%.

April Temperature in Mastic Beach

In April in Mastic Beach, the average temperature is 9°C (48°F). Maximums can reach 20°C (68°F) and minimums can be as low as 0°C (32°F). This climate makes it a perfect time for travelers to enjoy outdoor activities while still being prepared for cooler evenings.

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

The chart illustrates April 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, April typically has an average temperature of 9°C (48°F), with highs reaching up to 20°C (68°F) and lows dropping to around 0°C (32°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.

April Precipitation in Mastic Beach

In Mastic Beach in April, the precipitation amount is 122 mm (4.8 in) over a span of 12 days.

April Precipitation Trends in Mastic Beach

The chart displays monthly precipitation patterns in Mastic Beach, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Mastic Beach, April typically receives around 122 mm (4.8 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec81107106122117681009887139102134
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Mastic Beach

In Mastic Beach in April humidity is 78%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that clings to your skin, making outdoor excursions less enjoyable as you navigate the damp air.

April Average Humidity in Mastic Beach

This chart illustrates the average monthly humidity levels in Mastic Beach, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Mastic Beach is approximately 78%, 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 April generated using information from the Copernicus Climate Change Service.

April UV Index in Mastic Beach

In Mastic Beach in April, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Mastic Beach.

Maximum UV Index Levels in Mastic Beach for April

The chart shows the monthly maximum UV Index (UVI) for Mastic Beach in April, 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 April, the maximum UV index in Mastic Beach typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356810101098642
Data source: Mastic Beach April 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 April 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 April’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 April’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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