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August Weather in Plymouth, United States

Last updated: June 24, 2025

In August, the average temperature in Plymouth, United States is a pleasant 26°C (79°F). Expect minimums around 15°C (59°F) and maximums soaring up to 34°C (94°F). However, be prepared for some rain, as the area receives approximately 170 mm (6.7 in) of precipitation over 18 days. With an average humidity of 82%, the atmosphere can feel quite humid, adding to the tropical charm of the region.

August Temperature in Plymouth

In August in Plymouth, the average temperature is 26°C (79°F). Maximums can reach 34°C (94°F), while minimums can be as low as 15°C (59°F). This makes Plymouth an ideal destination for travelers seeking pleasant and warm weather during their visit.

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

The chart illustrates August temperature patterns in Plymouth, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Plymouth, August typically has an average temperature of 26°C (79°F), with highs reaching up to 34°C (94°F) and lows dropping to around 15°C (59°F).
JanFebMarAprMayJunJulAugSepOctNovDec445053627076807975665448
Data source: Temperature data for Plymouth 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 Plymouth

In Plymouth in August, the precipitation amount is 170 mm (6.7 in) over the course of 18 days.

August Precipitation Trends in Plymouth

The chart displays monthly precipitation patterns in Plymouth, 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 Plymouth, August typically receives around 170 mm (6.7 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec9095651001141491411701257596108
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Plymouth

In Plymouth in August, humidity is 82%. With an average temperature of 26°C (79°F), this humidity feels like a warm blanket that envelops you, making outdoor activities feel more taxing and requiring frequent breaks to stay hydrated.

August Average Humidity in Plymouth

This chart illustrates the average monthly humidity levels in Plymouth, 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 Plymouth is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%81%80%80%81%82%83%83%80%80%83%84%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Plymouth

In Plymouth in August, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Plymouth.

Maximum UV Index Levels in Plymouth for August

The chart shows the monthly maximum UV Index (UVI) for Plymouth 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 Plymouth typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111011109853
Data source: Plymouth 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 Plymouth Compares to Other Months

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

This table compares monthly weather conditions in Plymouth, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)90 mm (3.5 inches)84%moderate
February Weather10°C (50°F)95 mm (3.7 inches)81%high
March Weather12°C (53°F)64 mm (2.5 inches)80%very high
April Weather17°C (62°F)100 mm (3.9 inches)80%very high
May Weather21°C (70°F)114 mm (4.5 inches)81%extreme
June Weather25°C (76°F)149 mm (5.9 inches)82%very high
July Weather27°C (80°F)141 mm (5.5 inches)83%extreme
August Weather26°C (79°F)170 mm (6.7 inches)82%very high
September Weather24°C (75°F)125 mm (4.9 inches)80%very high
October Weather19°C (67°F)75 mm (2.9 inches)79%very high
November Weather12°C (54°F)96 mm (3.8 inches)83%moderate
December Weather9°C (49°F)108 mm (4.2 inches)84%moderate

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