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August Weather in Falmouth, United States

Last updated: June 24, 2025

In August, the average temperature in Falmouth, United States is a pleasant 26°C (78°F). Expect minimums around 15°C (59°F) and delightful highs reaching up to 38°C (100°F). During this month, you'll encounter approximately 148 mm (5.8 in) of precipitation over 15 days, paired with an average humidity of 59%. Perfect for those who enjoy warm weather with a touch of tropical charm!

August Temperature in Falmouth

In August in Falmouth, the average temperature is 26°C (78°F), with maximums reaching up to 38°C (100°F) and minimums dipping as low as 15°C (59°F). This makes it an ideal time for travelers seeking warm weather and plenty of sunshine.

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

The chart illustrates August 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, August typically has an average temperature of 26°C (78°F), with highs reaching up to 38°C (100°F) and lows dropping to around 15°C (59°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.

August Precipitation in Falmouth

In Falmouth, in August, the precipitation amount is 148 mm (5.8 in) over a span of 15 days.

August Precipitation Trends in Falmouth

The chart displays monthly precipitation patterns in Falmouth, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Falmouth, August typically receives around 148 mm (5.8 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec62907610110910991148911097788
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Falmouth

In Falmouth in August humidity is 59%. With an average temperature of 26°C (78°F), this humidity feels like a warm embrace, making travel slightly uncomfortable, as sweat lingers on your skin while you explore the sights.

August Average Humidity in Falmouth

This chart illustrates the average monthly humidity levels in Falmouth, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Falmouth is approximately 59%, 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 August generated using information from the Copernicus Climate Change Service.

August UV Index in Falmouth

In Falmouth in August, 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 August

The chart shows the monthly maximum UV Index (UVI) for Falmouth in August, 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 August, the maximum UV index in Falmouth typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098753
Data source: Falmouth August 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 August 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 August’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 August’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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