October Weather in Bangor, United States

Last updated: June 24, 2025

In Bangor, United States, the average temperature in October hovers around 10°C (50°F). However, temperatures can range significantly, dipping to a chilly -5°C (22°F) at their lowest, and soaring to a balmy 30°C (85°F) at their highest. Expect 114 mm (4.5 in) of precipitation spread over 12 days, and prepare for an average humidity of 79%.

October Temperature in Bangor

In October in Bangor, the average temperature is 10°C (50°F). Maximums can reach 30°C (85°F) and minimums can drop as low as -5°C (22°F). Be prepared for a wide range of temperatures during your travels, ensuring you pack both warm and light clothing.

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

The chart illustrates October temperature patterns in Bangor, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bangor, October typically has an average temperature of 10°C (50°F), with highs reaching up to 30°C (85°F) and lows dropping to around -5°C (22°F).

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

October Precipitation in Bangor

In Bangor in October, the precipitation amount is 114 mm (4.5 in) spread over 12 days.

October Precipitation Trends in Bangor

The chart displays monthly precipitation patterns in Bangor, 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 Bangor, October typically receives around 114 mm (4.5 inches) of precipitation spread over approximately 12 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 Bangor

In Bangor in October humidity is 79%. With an average temperature of 10°C (50°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration less inviting and requiring layered clothing to stay comfortable while traveling.

October Average Humidity in Bangor

This chart illustrates the average monthly humidity levels in Bangor, 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 Bangor is approximately 79%, 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 Bangor

In Bangor 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 Bangor.

Maximum UV Index Levels in Bangor for October

The chart shows the monthly maximum UV Index (UVI) for Bangor 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 Bangor typically reaches 5, which falls under the moderate exposure category.

Data source: Bangor 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 Bangor Compares to Other Months

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

This table compares monthly weather conditions in Bangor, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (19°F)	36 mm (1.4 inches)	84%	low
February Weather	-6°C (21°F)	50 mm (2.0 inches)	85%	moderate
March Weather	2°C (35°F)	57 mm (2.2 inches)	84%	moderate
April Weather	7°C (45°F)	86 mm (3.4 inches)	83%	very high
May Weather	15°C (59°F)	137 mm (5.4 inches)	75%	very high
June Weather	21°C (71°F)	125 mm (4.9 inches)	79%	very high
July Weather	23°C (74°F)	100 mm (3.9 inches)	75%	very high
August Weather	21°C (70°F)	121 mm (4.8 inches)	69%	very high
September Weather	18°C (64°F)	105 mm (4.1 inches)	74%	high
October Weather	10°C (50°F)	114 mm (4.5 inches)	79%	moderate
November Weather	2°C (35°F)	51 mm (2.0 inches)	88%	moderate
December Weather	-3°C (27°F)	45 mm (1.8 inches)	82%	low