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October Weather in Plymouth, United States

Last updated: June 24, 2025

In Plymouth, United States, the average temperature in October hovers around 19°C (67°F), with extremes ranging from a cool 2°C (37°F) to a warm 34°C (94°F). Be prepared for some rain, as 75 mm (2.9 in) of precipitation can be expected over 8 days. With an average humidity of 79%, it's a month when the air feels quite moist, adding to the local charm.

October Temperature in Plymouth

In October in Plymouth, the average temperature is 19°C (67°F). Maximum temperatures can reach 34°C (94°F), while minimums can dip as low as 2°C (37°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates October 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, October typically has an average temperature of 19°C (67°F), with highs reaching up to 34°C (94°F) and lows dropping to around 2°C (37°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.

October Precipitation in Plymouth

In Plymouth in October, the precipitation amount is 75 mm (2.9 in) over a span of 8 days.

October Precipitation Trends in Plymouth

The chart displays monthly precipitation patterns in Plymouth, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Plymouth, October typically receives around 75 mm (2.9 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec9095651001141491411701257596108
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Plymouth

In Plymouth in October, humidity is 79%. With an average temperature of 19°C (67°F), this humidity feels like a warm, enveloping blanket that makes traveling a bit more challenging, as the air is thick and can leave you feeling sluggish during outdoor adventures.

October Average Humidity in Plymouth

This chart illustrates the average monthly humidity levels in Plymouth, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Plymouth is approximately 79%, 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 October generated using information from the Copernicus Climate Change Service.

October UV Index in Plymouth

In Plymouth in October, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Plymouth.

Maximum UV Index Levels in Plymouth for October

The chart shows the monthly maximum UV Index (UVI) for Plymouth in October, 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 October, the maximum UV index in Plymouth typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111011109853
Data source: Plymouth October 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 October 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 October’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 October’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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