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March Weather in West Sayville, United States

Last updated: June 24, 2025

In March, the average temperature in West Sayville, United States hovers around 5°C (41°F). Expect chilly conditions with minimum temperatures plummeting to -7°C (19°F) and highs reaching up to 17°C (63°F). This month typically sees about 106 mm (4.2 in) of precipitation spread over 9 days, contributing to an average humidity level of 81%. Prepare for a mix of mild and damp weather!

March Temperature in West Sayville

In March in West Sayville, the average temperature is 5°C (41°F). Maximum temperatures can reach 17°C (63°F), while minimums can drop as low as -7°C (19°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

March Weather in West Sayville: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in West Sayville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In West Sayville, March typically has an average temperature of 5°C (41°F), with highs reaching up to 17°C (63°F) and lows dropping to around -7°C (19°F).
JanFebMarAprMayJunJulAugSepOctNovDec363740485767757569614941
Data source: Temperature data for West Sayville 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.

March Precipitation in West Sayville

In West Sayville in March, the total precipitation amount is 106 mm (4.2 in), spread over the course of 9 days.

March Precipitation Trends in West Sayville

The chart displays monthly precipitation patterns in West Sayville, 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 West Sayville, March typically receives around 106 mm (4.2 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec801081061251177711310191137103134
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in West Sayville

In West Sayville in March, humidity is 81%. With an average temperature of 5°C (41°F), this humidity feels like a chilly dampness that clings to your skin, making outdoor exploration uncomfortable and requiring warm, waterproof clothing to stay comfortable while traveling.

March Average Humidity in West Sayville

This chart illustrates the average monthly humidity levels in West Sayville, 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 West Sayville is approximately 81%, 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 March generated using information from the Copernicus Climate Change Service.

March UV Index in West Sayville

In West Sayville 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 West Sayville, you can refer to this Hourly UV Index in West Sayville.

Maximum UV Index Levels in West Sayville for March

The chart shows the monthly maximum UV Index (UVI) for West Sayville 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 West Sayville typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356810101098642
Data source: West Sayville 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 West Sayville Compares to Other Months

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

This table compares monthly weather conditions in West Sayville, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)80 mm (3.1 inches)84%moderate
February Weather3°C (37°F)108 mm (4.3 inches)82%moderate
March Weather5°C (41°F)106 mm (4.2 inches)81%high
April Weather9°C (49°F)125 mm (4.9 inches)78%very high
May Weather14°C (57°F)117 mm (4.6 inches)69%very high
June Weather20°C (67°F)77 mm (3.0 inches)69%very high
July Weather24°C (75°F)113 mm (4.5 inches)62%very high
August Weather24°C (75°F)101 mm (4.0 inches)65%very high
September Weather21°C (70°F)91 mm (3.6 inches)68%very high
October Weather16°C (62°F)137 mm (5.4 inches)74%high
November Weather10°C (50°F)103 mm (4.1 inches)82%moderate
December Weather5°C (42°F)134 mm (5.3 inches)80%low

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