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March Weather in Falmouth, United States

Last updated: June 24, 2025

In March, the average temperature in Falmouth, United States hovers around 8°C (46°F). While you may experience a chilly minimum of -12°C (10°F), don't be surprised by an occasional warm day peaking at 27°C (81°F). Expect 130 mm (5.1 in) of precipitation spread over about 13 days, contributing to a notably high average humidity of 87%.

March Temperature in Falmouth

In March in Falmouth, the average temperature is 8°C (46°F). The maximum can reach 27°C (81°F), while the minimum can dip as low as -12°C (10°F). Be prepared for a wide range of temperatures when traveling during this time.

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

The chart illustrates March temperature patterns in Falmouth, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Falmouth, March typically has an average temperature of 8°C (46°F), with highs reaching up to 27°C (81°F) and lows dropping to around -12°C (10°F).
JanFebMarAprMayJunJulAugSepOctNovDec343846556673777570594439
Data source: Temperature data for Falmouth 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 Falmouth

In Falmouth in March, the precipitation amount is 130 mm (5.1 in) spread over 13 days.

March Precipitation Trends in Falmouth

The chart displays monthly precipitation patterns in Falmouth, 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 Falmouth, March typically receives around 130 mm (5.1 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec851251301371321721259311010391121
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Falmouth

In Falmouth in March, humidity is 87%. With an average temperature of 8°C (46°F), this humidity feels like a chilly, damp fog clinging to your skin, making outdoor activities a bit uncomfortable and causing even mild exertion to leave you feeling clammy and cold.

March Average Humidity in Falmouth

This chart illustrates the average monthly humidity levels in Falmouth, 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 Falmouth is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%87%85%81%82%81%73%73%78%89%87%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Falmouth

In Falmouth in March, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Falmouth.

Maximum UV Index Levels in Falmouth for March

The chart shows the monthly maximum UV Index (UVI) for Falmouth 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 Falmouth typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098643
Data source: Falmouth 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 Falmouth Compares to Other Months

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

This table compares monthly weather conditions in Falmouth, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (35°F)85 mm (3.4 inches)88%moderate
February Weather4°C (39°F)125 mm (4.9 inches)88%moderate
March Weather8°C (46°F)130 mm (5.1 inches)87%high
April Weather13°C (55°F)137 mm (5.4 inches)85%very high
May Weather19°C (66°F)132 mm (5.2 inches)81%very high
June Weather23°C (73°F)172 mm (6.8 inches)82%very high
July Weather25°C (77°F)125 mm (4.9 inches)81%very high
August Weather24°C (75°F)93 mm (3.7 inches)73%very high
September Weather21°C (71°F)110 mm (4.3 inches)73%very high
October Weather15°C (60°F)103 mm (4.1 inches)78%high
November Weather7°C (45°F)91 mm (3.6 inches)89%moderate
December Weather4°C (40°F)121 mm (4.8 inches)87%moderate

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