October Weather in Plymouth, United States

Last updated: June 24, 2025

In October, the average temperature in Plymouth, United States hovers around 10°C (50°F), offering a crisp climate for visitors. Temperatures can dip as low as -4°C (25°F), while the mercury can rise to a pleasant 26°C (79°F). Expect 119 mm (4.7 in) of precipitation over about 10 days, with an average humidity level of 82%, making this month feel quite humid. Be prepared for varying conditions as you explore!

October Temperature in Plymouth

In October in Plymouth, the average temperature is 10°C (50°F). The maximum can reach 26°C (79°F), while the minimum can drop as low as -4°C (25°F). This variability makes it essential for travelers to pack layers to stay comfortable in changing weather conditions.

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 10°C (50°F), with highs reaching up to 26°C (79°F) and lows dropping to around -4°C (25°F).

Data source: Temperature data for Plymouth generated using information from the Copernicus Climate Change Service.

October Precipitation in Plymouth

In Plymouth in October, the total precipitation amount is 119 mm (4.7 in) over the span of 10 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 119 mm (4.7 inches) of precipitation spread over approximately 10 days.

Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

October Humidity in Plymouth

In Plymouth in October, humidity is 82%. With an average temperature of 10°C (50°F), this humidity feels like a dense, heavy blanket wrapping around you, making every step feel sluggish and the air thick, which can make traveling quite uncomfortable.

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 82%, offering insight into how humid the weather typically is during this month.

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.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (21°F)	86 mm (3.4 inches)	88%	low
February Weather	-5°C (24°F)	81 mm (3.2 inches)	88%	moderate
March Weather	-1°C (31°F)	71 mm (2.8 inches)	85%	moderate
April Weather	6°C (43°F)	121 mm (4.8 inches)	81%	high
May Weather	12°C (54°F)	91 mm (3.6 inches)	76%	very high
June Weather	18°C (64°F)	75 mm (2.9 inches)	74%	very high
July Weather	21°C (70°F)	103 mm (4.1 inches)	74%	very high
August Weather	20°C (69°F)	73 mm (2.9 inches)	74%	very high
September Weather	16°C (62°F)	70 mm (2.8 inches)	77%	high
October Weather	10°C (50°F)	119 mm (4.7 inches)	82%	moderate
November Weather	2°C (36°F)	111 mm (4.4 inches)	85%	moderate
December Weather	-4°C (26°F)	113 mm (4.5 inches)	84%	low