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October Weather in Bangor, United States

Last updated: June 24, 2025

In October, the average temperature in Bangor, United States hovers around 12°C (54°F). Expect a wide range, with minimums dipping to -1°C (30°F) and maximums climbing to 30°C (85°F). This month brings a notable precipitation amount of 144 mm (5.7 in) over approximately 15 days, contributing to an average humidity of 82%. Plan accordingly!

October Temperature in Bangor

In October in Bangor, the average temperature is 12°C (54°F). Maximum temperatures can reach 30°C (85°F), while minimums can drop as low as -1°C (30°F). This range of temperatures makes it advisable for travelers to pack a variety of clothing to accommodate both warm and cooler conditions.

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 12°C (54°F), with highs reaching up to 30°C (85°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec272837466071757266544034
Data source: Temperature data for Bangor 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 Bangor

In Bangor in October, the precipitation amount is 144 mm (5.7 in) during a span of 15 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 144 mm (5.7 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec74748410116213811385821447266
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Bangor

In Bangor in October humidity is 82%. With an average temperature of 12°C (54°F), this humidity feels like a heavy blanket wrapping around you, making every step feel sluggish and sweat-inducing, which can be quite uncomfortable for 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 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%86%87%82%81%78%79%80%82%87%86%
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.
JanFebMarAprMayJunJulAugSepOctNovDec34689101097532
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.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)74 mm (2.9 inches)87%moderate
February Weather-2°C (28°F)74 mm (2.9 inches)87%moderate
March Weather3°C (38°F)84 mm (3.3 inches)86%high
April Weather8°C (47°F)101 mm (4.0 inches)87%very high
May Weather15°C (60°F)162 mm (6.4 inches)82%very high
June Weather21°C (71°F)138 mm (5.4 inches)81%very high
July Weather24°C (75°F)113 mm (4.5 inches)78%very high
August Weather22°C (72°F)85 mm (3.3 inches)79%very high
September Weather19°C (67°F)82 mm (3.2 inches)79%high
October Weather12°C (54°F)144 mm (5.7 inches)82%moderate
November Weather4°C (40°F)72 mm (2.8 inches)87%moderate
December Weather1°C (34°F)66 mm (2.6 inches)86%low

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