Bar Harbor weather in October 2025

Expect 15°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Bar Harbor in October. Check more long-term weather averages for Bar Harbor in October before you book your next holiday to Maine in 2025/2026.

  • 15°C maximum daytime temperature in October in Bar Harbor15
    15°C max day temperature
  • 5 hours of sunshine per day
  • 11 days with some rainfall in October in Bar Harbor11
    11 days with some rainfall
  • 4°C minimum night-time temperature in October in Bar Harbor4
    4°C min night temperature
  • 11 hours of daylight per day in October in Bar Harbor11
    11 hours of daylight per day
  • No heat & humidity in October in Bar Harbor0
    No heat & humidity
  • 115 mm monthly rainfall in October in Bar Harbor115
    115 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in October in Bar Harbor3
    3 (Moderate) UV index
  • 11°C sea temperature in October in Bar Harbor11
    11°C sea temperature

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The October weather guide for Maine (Bar Harbor) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How warm is it in Bar Harbor in October?

Daytime temperatures usually reach 15°C in Bar Harbor in October, falling to 4°C at night.

How sunny is it in Bar Harbor in October?

There are normally 5 hours of bright sunshine each day in Bar Harbor in October - that's 46% of daylight hours.

Is the sea cold around Bar Harbor in October?

The average sea temperature around Bar Harbor in October is 11°C.

Does it rain in Bar Harbor in October?

There are usually 11 days with some rain in Bar Harbor in October and the average monthly rainfall is 115mm.

Bar Harbor October sunrise & sunset times

Browse the sunrise and sunset times for Bar Harbor in October 2025. Select a month to view Bar Harbor sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 05:31 17:13
Thursday, 16th October 2025 05:50 16:46
Friday, 31st October 2025 06:09 16:23

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