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March Weather in South Duxbury, United States

Last updated: June 24, 2025

In March, the average temperature in South Duxbury, United States hovers around 3°C (39°F). Visitors can expect temperatures to dip as low as -11°C (12°F) and rise up to 17°C (63°F). With an average humidity of 82% and a notable 114 mm (4.5 in) of rainfall spread over 10 days, prepare for a season that feels as crisp as it is wet!

March Temperature in South Duxbury

In March in South Duxbury, the average temperature is 3°C (39°F). Maximum temperatures can reach 17°C (63°F), while minimums can drop to as low as -11°C (12°F). Be sure to pack warm clothing and prepare for a mix of chilly and mild days during your stay.

March Weather in South Duxbury: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in South Duxbury, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In South Duxbury, March typically has an average temperature of 3°C (39°F), with highs reaching up to 17°C (63°F) and lows dropping to around -11°C (12°F).
JanFebMarAprMayJunJulAugSepOctNovDec333538475666727266574637
Data source: Temperature data for South Duxbury 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 South Duxbury

In South Duxbury in March, the precipitation amount is 114 mm (4.5 in) over a period of 10 days.

March Precipitation Trends in South Duxbury

The chart displays monthly precipitation patterns in South Duxbury, 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 South Duxbury, March typically receives around 114 mm (4.5 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec891091141371059611075111168104128
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in South Duxbury

In South Duxbury in March humidity is 82%. With an average temperature of 3°C (39°F), this humidity feels like a chilling dampness that seeps into your bones, making outdoor exploration uncomfortable and challenging for travel.

March Average Humidity in South Duxbury

This chart illustrates the average monthly humidity levels in South Duxbury, 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 South Duxbury 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 South Duxbury

In South Duxbury 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 South Duxbury, you can refer to this Hourly UV Index in South Duxbury.

Maximum UV Index Levels in South Duxbury for March

The chart shows the monthly maximum UV Index (UVI) for South Duxbury 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 South Duxbury typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356899997642
Data source: South Duxbury 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 South Duxbury Compares to Other Months

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

This table compares monthly weather conditions in South Duxbury, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)89 mm (3.5 inches)84%moderate
February Weather2°C (35°F)109 mm (4.3 inches)84%moderate
March Weather3°C (39°F)114 mm (4.5 inches)82%high
April Weather8°C (47°F)137 mm (5.4 inches)79%very high
May Weather13°C (56°F)105 mm (4.1 inches)75%very high
June Weather19°C (66°F)95 mm (3.8 inches)78%very high
July Weather22°C (72°F)110 mm (4.3 inches)76%very high
August Weather22°C (72°F)75 mm (3.0 inches)76%very high
September Weather19°C (66°F)111 mm (4.4 inches)75%high
October Weather14°C (58°F)168 mm (6.6 inches)75%high
November Weather8°C (46°F)104 mm (4.1 inches)80%moderate
December Weather3°C (37°F)128 mm (5.0 inches)80%low

Compare South Duxbury's Climate with Cities Worldwide