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April Weather in Falmouth, United States

Last updated: June 24, 2025

In Falmouth, United States, the average temperature in April hovers around 15°C (59°F), with fluctuations ranging from a brisk -1°C (31°F) to a sweltering 33°C (92°F). Expect 101 mm (4.0 in) of precipitation spread over approximately 10 days, contributing to a notable average humidity of 84%. Stay prepared for a month of diverse weather!

April Temperature in Falmouth

In April in Falmouth, the average temperature is 15°C (59°F). Maximum temperatures can reach up to 33°C (92°F), while minimums can drop as low as -1°C (31°F). It's advisable to pack for a range of weather conditions to fully enjoy your travels.

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 15°C (59°F), with highs reaching up to 33°C (92°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec394348586876817873634943
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 precipitation amount is 101 mm (4.0 in) spread over the course of 10 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 101 mm (4.0 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec62907610110910991148911097788
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 84%. With an average temperature of 15°C (59°F), this humidity feels like an oppressive blanket wrapping around you, making it challenging to enjoy outdoor activities and travel comfortably.

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 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%86%84%78%79%70%59%68%80%87%85%
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.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098753
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 Weather4°C (39°F)62 mm (2.4 inches)86%moderate
February Weather6°C (43°F)90 mm (3.6 inches)86%moderate
March Weather9°C (49°F)76 mm (3.0 inches)86%high
April Weather15°C (59°F)101 mm (4.0 inches)84%very high
May Weather20°C (68°F)109 mm (4.3 inches)78%very high
June Weather24°C (76°F)109 mm (4.3 inches)79%very high
July Weather27°C (81°F)91 mm (3.6 inches)70%very high
August Weather26°C (78°F)148 mm (5.8 inches)59%very high
September Weather23°C (73°F)91 mm (3.6 inches)68%very high
October Weather17°C (63°F)109 mm (4.3 inches)80%high
November Weather9°C (49°F)77 mm (3.0 inches)86%moderate
December Weather6°C (43°F)88 mm (3.5 inches)85%moderate

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