nomadseason

March Weather in Water Mill, United States

Last updated: June 24, 2025

In March, the average temperature in Water Mill, United States hovers around 4°C (39°F). During this time, temperatures can dip as low as -7°C (20°F) or soar to a comfortable 15°C (59°F). Expect about 113 mm (4.5 in) of precipitation spread over 10 days, and with an average humidity of 82%, it's a month where you might want to keep your umbrella handy and dress in layers!

March Temperature in Water Mill

In March in Water Mill, the average temperature is 4°C (39°F). Maximum temperatures can reach 15°C (59°F), while the minimum can drop as low as -7°C (20°F). Be prepared for chilly weather and pack accordingly if you plan to travel during this time.

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

The chart illustrates March 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, March typically has an average temperature of 4°C (39°F), with highs reaching up to 15°C (59°F) and lows dropping to around -7°C (20°F).
JanFebMarAprMayJunJulAugSepOctNovDec363739465464727368615042
Data source: Temperature data for Water Mill generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

March Precipitation in Water Mill

In Water Mill in March, the total precipitation amount is 113 mm (4.5 in) over the course of 10 days.

March Precipitation Trends in Water Mill

The chart displays monthly precipitation patterns in Water Mill, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Water Mill, March typically receives around 113 mm (4.5 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec89123113137129729910399161113147
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

March Humidity in Water Mill

In Water Mill in March, humidity is 82%. With an average temperature of 4°C (39°F), this humidity feels like a chill that seeps into your bones, making it uncomfortable for traveling as you find yourself bundled up, yet still damp and cold.

March Average Humidity in Water Mill

This chart illustrates the average monthly humidity levels in Water Mill, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Water Mill is approximately 82%, 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 March generated using information from the Copernicus Climate Change Service.

March UV Index in Water Mill

In Water Mill in March, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Water Mill, you can refer to this Hourly UV Index in Water Mill.

Maximum UV Index Levels in Water Mill for March

The chart shows the monthly maximum UV Index (UVI) for Water Mill in March, 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 March, the maximum UV index in Water Mill typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35689101098642
Data source: Water Mill March 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 March 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 March’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 March’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

Compare Water Mill's Climate with Cities Worldwide