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April Weather in Water Mill, United States

Last updated: June 24, 2025

In Water Mill, United States, the average temperature in April hovers around 8°C (47°F), with a minimum of 0°C (33°F) and a maximum reaching 16°C (61°F). Expect 137 mm (5.4 in) of precipitation spread over about 12 days, contributing to an average humidity level of 79%. Stay prepared for a blend of cool and damp conditions!

April Temperature in Water Mill

In April in Water Mill, the average temperature is 8°C (47°F). Maximums can reach 16°C (61°F), while minimums can drop as low as 0°C (33°F). This cool climate makes it a great time for travelers to enjoy scenic outdoor activities while dressing in layers for comfort.

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

The chart illustrates April 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, April typically has an average temperature of 8°C (47°F), with highs reaching up to 16°C (61°F) and lows dropping to around 0°C (33°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.

April Precipitation in Water Mill

In Water Mill in April, the precipitation amount is 137 mm (5.4 in) that occurs over the course of 12 days.

April Precipitation Trends in Water Mill

The chart displays monthly precipitation patterns in Water Mill, 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 Water Mill, April typically receives around 137 mm (5.4 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec89123113137129729910399161113147
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Water Mill

In Water Mill in April, humidity is 79%. With an average temperature of 8°C (47°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and requiring extra layers to stay comfortable while traveling.

April Average Humidity in Water Mill

This chart illustrates the average monthly humidity levels in Water Mill, 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 Water Mill is approximately 79%, 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 April generated using information from the Copernicus Climate Change Service.

April UV Index in Water Mill

In Water Mill 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 Water Mill.

Maximum UV Index Levels in Water Mill for April

The chart shows the monthly maximum UV Index (UVI) for Water Mill 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 Water Mill typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35689101098642
Data source: Water Mill 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 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 April’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 April’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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