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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 12°C (55°F). However, be prepared for a wide range, as temperatures can dip to a chilly -3°C (27°F) or soar to a delightful 29°C (85°F). Expect 98 mm (3.9 in) of precipitation spread over 13 days, contributing to a high average humidity of 84%. Whether you're packing for warmth or planning for rain, make sure to come prepared!

October Temperature in Plymouth

In October in Plymouth, the average temperature is 12°C (55°F). Maximum temperatures can reach as high as 29°C (85°F), while the minimum can drop to a chilly -3°C (27°F). Travelers should be prepared for a wide range of temperatures during this time.

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 12°C (55°F), with highs reaching up to 29°C (85°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec272837476070757366543933
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 98 mm (3.9 in) over a span of 13 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 98 mm (3.9 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec6466738711785927462987754
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 84%. With an average temperature of 12°C (55°F), this humidity feels like a thick blanket wrapping around you, making it a challenge for traveling as you might feel sticky and uncomfortable while exploring the sights.

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 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%85%86%80%80%80%81%80%84%90%86%
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 reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check 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 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24599101097542
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 Weather-3°C (27°F)64 mm (2.5 inches)88%low
February Weather-2°C (29°F)66 mm (2.6 inches)87%moderate
March Weather3°C (38°F)73 mm (2.9 inches)85%moderate
April Weather8°C (47°F)86 mm (3.4 inches)86%very high
May Weather15°C (60°F)117 mm (4.6 inches)80%very high
June Weather21°C (71°F)85 mm (3.3 inches)80%very high
July Weather24°C (75°F)91 mm (3.6 inches)80%very high
August Weather23°C (73°F)74 mm (2.9 inches)80%very high
September Weather19°C (66°F)62 mm (2.4 inches)80%high
October Weather12°C (55°F)98 mm (3.9 inches)84%moderate
November Weather4°C (40°F)77 mm (3.0 inches)89%moderate
December Weather0°C (33°F)54 mm (2.1 inches)86%low

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