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August Weather in Water Mill, United States

Last updated: June 24, 2025

In August, the average temperature in Water Mill, United States is a pleasant 23°C (73°F). Expect a range with a minimum of 17°C (63°F) and a maximum of 27°C (80°F). Be prepared for some rain, as 103 mm (4.0 in) of precipitation is expected over about 9 days, contributing to an average humidity of 76%.

August Temperature in Water Mill

In August in Water Mill, the average temperature is 23°C (73°F), with maximums reaching 27°C (80°F) and minimums dipping as low as 17°C (63°F). This pleasant climate makes it an ideal time for travelers to explore and enjoy outdoor activities.

August Weather in Water Mill: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Water Mill, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Water Mill, August typically has an average temperature of 23°C (73°F), with highs reaching up to 27°C (80°F) and lows dropping to around 17°C (63°F).
JanFebMarAprMayJunJulAugSepOctNovDec363739465464727368615042
Data source: Temperature data for Water Mill 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 Water Mill

In Water Mill in August, the precipitation amount is 103 mm (4.0 in) over the course of 9 days.

August Precipitation Trends in Water Mill

The chart displays monthly precipitation patterns in Water Mill, 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 Water Mill, August typically receives around 103 mm (4.0 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec89123113137129729910399161113147
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Water Mill

In Water Mill in August humidity is 76%. With an average temperature of 23°C (73°F), this humidity feels like a warm, enveloping blanket, making outdoor activities feel more intense and prompting travelers to seek shade or cool breaks more frequently.

August Average Humidity in Water Mill

This chart illustrates the average monthly humidity levels in Water Mill, 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 Water Mill is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%84%82%79%75%78%76%76%76%75%80%80%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Water Mill

In Water Mill 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 Water Mill.

Maximum UV Index Levels in Water Mill for August

The chart shows the monthly maximum UV Index (UVI) for Water Mill 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 Water Mill typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35689101098642
Data source: Water Mill 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 Water Mill Compares to Other Months

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

This table compares monthly weather conditions in Water Mill, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (37°F)89 mm (3.5 inches)84%moderate
February Weather3°C (37°F)123 mm (4.8 inches)84%moderate
March Weather4°C (39°F)113 mm (4.5 inches)82%high
April Weather8°C (47°F)137 mm (5.4 inches)79%very high
May Weather12°C (54°F)129 mm (5.1 inches)75%very high
June Weather18°C (64°F)72 mm (2.9 inches)78%very high
July Weather22°C (72°F)99 mm (3.9 inches)76%very high
August Weather23°C (73°F)103 mm (4.0 inches)76%very high
September Weather20°C (69°F)99 mm (3.9 inches)75%very high
October Weather16°C (61°F)160 mm (6.3 inches)75%high
November Weather10°C (50°F)113 mm (4.4 inches)80%moderate
December Weather5°C (42°F)147 mm (5.8 inches)80%low

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