March Weather in Suffolk, United States

Last updated: June 24, 2025

In Suffolk, United States, the average temperature in March hovers around 11°C (51°F). Expect a wide range, as temperatures can dip to a chilly -6°C (22°F) or soar up to a balmy 30°C (87°F). With an average precipitation of 84 mm (3.3 in) spread across 10 days, be prepared for some rainy spells. Humidity levels tend to be high at 82%, making this month a unique experience for residents and visitors alike!

March Temperature in Suffolk

In March in Suffolk, the average temperature is 11°C (51°F). Maximum temperatures can reach as high as 30°C (87°F), while minimums can drop to a chilly -6°C (22°F). Be prepared for a wide range of temperatures to ensure a comfortable and enjoyable trip.

March Weather in Suffolk: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Suffolk, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Suffolk, March typically has an average temperature of 11°C (51°F), with highs reaching up to 30°C (87°F) and lows dropping to around -6°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec424751616976807974655246
Data source: Temperature data for Suffolk 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 Suffolk

In Suffolk in March, the precipitation amount is 84 mm (3.3 in) over a span of 10 days.

March Precipitation Trends in Suffolk

The chart displays monthly precipitation patterns in Suffolk, 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 Suffolk, March typically receives around 84 mm (3.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec9110284101120118140168130847689
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Suffolk

In Suffolk in March, humidity is 82%. With an average temperature of 11°C (51°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and requiring additional layers to stay warm while exploring.

March Average Humidity in Suffolk

This chart illustrates the average monthly humidity levels in Suffolk, 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 Suffolk is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%82%81%80%82%81%81%78%80%84%84%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Suffolk

In Suffolk in March, 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 Suffolk.

Maximum UV Index Levels in Suffolk for March

The chart shows the monthly maximum UV Index (UVI) for Suffolk 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 Suffolk typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec4689101011109853
Data source: Suffolk 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 Suffolk Compares to Other Months

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

This table compares monthly weather conditions in Suffolk, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (42°F)91 mm (3.6 inches)84%moderate
February Weather8°C (47°F)102 mm (4.0 inches)83%high
March Weather11°C (51°F)84 mm (3.3 inches)82%very high
April Weather16°C (61°F)101 mm (4.0 inches)81%very high
May Weather20°C (69°F)120 mm (4.7 inches)80%very high
June Weather24°C (76°F)118 mm (4.6 inches)82%very high
July Weather27°C (81°F)140 mm (5.5 inches)81%extreme
August Weather26°C (79°F)168 mm (6.6 inches)81%very high
September Weather23°C (75°F)130 mm (5.1 inches)78%very high
October Weather19°C (66°F)84 mm (3.3 inches)80%very high
November Weather11°C (52°F)76 mm (3.0 inches)84%moderate
December Weather8°C (47°F)89 mm (3.5 inches)84%moderate

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