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April Weather in Falmouth, United States

Last updated: June 24, 2025

In Falmouth, United States, the average temperature in April is a cool 13°C (55°F). However, temperatures can range from a low of -3°C (27°F) to a warm 30°C (85°F). Visitors should be prepared for 137 mm (5.4 in) of precipitation over approximately 13 days, contributing to an average humidity of 85%.

April Temperature in Falmouth

In April in Falmouth, the average temperature is 13°C (55°F). Maximums can reach 30°C (85°F) and minimums can be as low as -3°C (27°F). When traveling during this time, it's advisable to pack layers to accommodate the wide range of temperatures.

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

The chart illustrates April 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, April typically has an average temperature of 13°C (55°F), with highs reaching up to 30°C (85°F) and lows dropping to around -3°C (27°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.

April Precipitation in Falmouth

In Falmouth in April, the total precipitation amount reaches 137 mm (5.4 in) over the course of 13 days.

April Precipitation Trends in Falmouth

The chart displays monthly precipitation patterns in Falmouth, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Falmouth, April typically receives around 137 mm (5.4 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec851251301371321721259311010391121
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Falmouth

In Falmouth in April, humidity is 85%. With an average temperature of 13°C (55°F), this humidity feels like a heavy blanket wrapping around you, making even short walks feel exhausting and urging travelers to seek shade and refreshment frequently.

April Average Humidity in Falmouth

This chart illustrates the average monthly humidity levels in Falmouth, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Falmouth is approximately 85%, 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 April generated using information from the Copernicus Climate Change Service.

April UV Index in Falmouth

In Falmouth in April, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Falmouth.

Maximum UV Index Levels in Falmouth for April

The chart shows the monthly maximum UV Index (UVI) for Falmouth in April, 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 April, the maximum UV index in Falmouth typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098643
Data source: Falmouth April 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 April 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 April’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 April’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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