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March Weather in East Harwich, United States

Last updated: June 24, 2025

In March, the average temperature in East Harwich, United States hovers around 3°C (38°F), with a minimum dipping to -8°C (18°F) and a maximum reaching 12°C (54°F). Expect a precipitation amount of 119 mm (4.7 in) spread over 11 days, contributing to an average humidity of 82%. Be prepared for chilly, damp conditions!

March Temperature in East Harwich

In March in East Harwich, the average temperature is 3°C (38°F). Maximums can reach 12°C (54°F), while minimums can dip as low as -8°C (18°F). Be sure to pack warm clothing and prepare for chilly weather if you plan to travel during this time.

March Weather in East Harwich: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in East Harwich, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In East Harwich, March typically has an average temperature of 3°C (38°F), with highs reaching up to 12°C (54°F) and lows dropping to around -8°C (18°F).
JanFebMarAprMayJunJulAugSepOctNovDec363638455261697066594840
Data source: Temperature data for East Harwich 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 East Harwich

In East Harwich in March, the total precipitation amount is 119 mm (4.7 in), which occurs over the course of 11 days.

March Precipitation Trends in East Harwich

The chart displays monthly precipitation patterns in East Harwich, 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 East Harwich, March typically receives around 119 mm (4.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec95124119131121887783116169106138
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in East Harwich

In East Harwich in March humidity is 82%. With an average temperature of 3°C (38°F), this humidity feels like a chilly blanket wrapped around you, making outdoor adventures quite uncomfortable and requiring extra layers to stay warm while exploring.

March Average Humidity in East Harwich

This chart illustrates the average monthly humidity levels in East Harwich, 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 East Harwich 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 East Harwich

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

Maximum UV Index Levels in East Harwich for March

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

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

This table compares monthly weather conditions in East Harwich, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (37°F)94 mm (3.7 inches)84%moderate
February Weather2°C (37°F)124 mm (4.9 inches)84%moderate
March Weather3°C (38°F)119 mm (4.7 inches)82%high
April Weather7°C (45°F)131 mm (5.1 inches)79%very high
May Weather11°C (52°F)121 mm (4.8 inches)75%very high
June Weather16°C (61°F)88 mm (3.5 inches)78%very high
July Weather20°C (69°F)77 mm (3.0 inches)76%very high
August Weather21°C (71°F)83 mm (3.3 inches)76%very high
September Weather19°C (66°F)116 mm (4.6 inches)75%very high
October Weather15°C (59°F)169 mm (6.7 inches)75%high
November Weather9°C (49°F)106 mm (4.2 inches)80%moderate
December Weather5°C (41°F)138 mm (5.4 inches)80%low

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