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March Weather in Sandwich, United States

Last updated: June 24, 2025

In March, the average temperature in Sandwich, United States hovers around 4°C (40°F). Be prepared for fluctuations, as temperatures can drop to a chilling -20°C (-4°F) or rise to a warm 26°C (79°F). Expect about 86 mm (3.4 in) of precipitation spread over approximately 10 days, and keep in mind the average humidity sits at a hefty 84%.

March Temperature in Sandwich

In March in Sandwich, the average temperature is 4°C (40°F). Maximum temperatures can reach 26°C (79°F) while minimum temperatures can drop as low as -20°C (-4°F). Travelers should be prepared for a wide range of weather conditions, from chilly to warm, making layering an essential part of their packing strategy.

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

The chart illustrates March temperature patterns in Sandwich, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sandwich, March typically has an average temperature of 4°C (40°F), with highs reaching up to 26°C (79°F) and lows dropping to around -20°C (-4°F).
JanFebMarAprMayJunJulAugSepOctNovDec252739486172757267543932
Data source: Temperature data for Sandwich 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 Sandwich

In Sandwich in March, the precipitation amount is 86 mm (3.4 in) over the course of 10 days.

March Precipitation Trends in Sandwich

The chart displays monthly precipitation patterns in Sandwich, 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 Sandwich, March typically receives around 86 mm (3.4 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec636186117157139112811021295652
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Sandwich

In Sandwich in March, humidity is 84%. With an average temperature of 4°C (40°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and requiring extra layers to stay warm and dry while traveling.

March Average Humidity in Sandwich

This chart illustrates the average monthly humidity levels in Sandwich, 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 Sandwich is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%83%84%85%79%82%80%81%80%82%88%84%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Sandwich

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

Maximum UV Index Levels in Sandwich for March

The chart shows the monthly maximum UV Index (UVI) for Sandwich 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 Sandwich typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098642
Data source: Sandwich 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 Sandwich Compares to Other Months

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

This table compares monthly weather conditions in Sandwich, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)63 mm (2.5 inches)82%moderate
February Weather-3°C (27°F)61 mm (2.4 inches)83%moderate
March Weather4°C (40°F)86 mm (3.4 inches)84%high
April Weather9°C (49°F)117 mm (4.6 inches)85%very high
May Weather16°C (61°F)157 mm (6.2 inches)79%very high
June Weather22°C (72°F)139 mm (5.5 inches)82%very high
July Weather24°C (75°F)112 mm (4.4 inches)80%very high
August Weather22°C (73°F)81 mm (3.2 inches)81%very high
September Weather20°C (68°F)102 mm (4.0 inches)80%very high
October Weather12°C (54°F)128 mm (5.1 inches)82%high
November Weather4°C (39°F)56 mm (2.2 inches)88%moderate
December Weather0°C (33°F)52 mm (2.0 inches)84%low

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