Bar Harbor Weather in December
Average highs run from 43°F on December 1 to 34°F on December 31, and lows from 27°F to 18°F. Normal precipitation for the month is 5.66 in over about 14 wet days.
December day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
December at a glance
- Average high
- 38°F
- Average low
- 22°F
- Precipitation
- 5.66 in
- Record high
- 59°FDec 1, 2020
- Record low
- -13°FDec 31, 2017
- Chance of a freeze
- 100%
- Daylight
- 9 h 06 min to 8 h 54 min
- Cloud cover
- 76%
- Humidity
- 88%
- Dew point
- 26°F
- Wind
- 9.8 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Dec 1 | 43°F | 27°F | 59°F 2020 | 7°F 2012 | 42% |
| Dec 2 | 42°F | 27°F | 52°F 2012 | 16°F 2025 | 42% |
| Dec 3 | 42°F | 27°F | 53°F 2022 | 16°F 2024 | 42% |
| Dec 4 | 41°F | 26°F | 49°F 2012 | 6°F 2025 | 43% |
| Dec 5 | 41°F | 26°F | 53°F 2011 | 2°F 2025 | 43% |
| Dec 6 | 41°F | 26°F | 55°F 2021 | 5°F 2025 | 43% |
| Dec 7 | 40°F | 25°F | 51°F 2015 | 8°F 2014 | 43% |
| Dec 8 | 40°F | 25°F | 51°F 2022 | 0°F 2025 | 43% |
| Dec 9 | 40°F | 25°F | 51°F 2019 | -5°F 2025 | 43% |
| Dec 10 | 39°F | 24°F | 53°F 2019 | 6°F 2021 | 43% |
| Dec 11 | 39°F | 24°F | 57°F 2021 | 4°F 2018 | 43% |
| Dec 12 | 39°F | 24°F | 57°F 2021 | 4°F 2013 | 43% |
| Dec 13 | 39°F | 23°F | 45°F 2017 | 0°F 2018 | 43% |
| Dec 14 | 38°F | 23°F | 53°F 2019 | -5°F 2013 | 43% |
| Dec 15 | 38°F | 23°F | 51°F 2019 | -1°F 2016 | 43% |
| Dec 16 | 38°F | 22°F | 49°F 2011 | -8°F 2016 | 43% |
| Dec 17 | 37°F | 22°F | 55°F 2024 | -10°F 2013 | 43% |
| Dec 18 | 37°F | 22°F | 57°F 2023 | 3°F 2017 | 43% |
| Dec 19 | 37°F | 21°F | 53°F 2025 | -4°F 2016 | 43% |
| Dec 20 | 37°F | 21°F | 41°F 2018 | -8°F 2016 | 43% |
| Dec 21 | 36°F | 21°F | 54°F 2018 | 5°F 2019 | 43% |
| Dec 22 | 36°F | 20°F | 52°F 2018 | 2°F 2017 | 43% |
| Dec 23 | 36°F | 20°F | 53°F 2022 | 2°F 2024 | 43% |
| Dec 24 | 35°F | 20°F | 52°F 2014 | 2°F 2011 | 43% |
| Dec 25 | 35°F | 19°F | 57°F 2020 | -1°F 2011 | 42% |
| Dec 26 | 35°F | 19°F | 54°F 2020 | -1°F 2025 | 42% |
| Dec 27 | 35°F | 19°F | 51°F 2016 | -5°F 2017 | 42% |
| Dec 28 | 35°F | 19°F | 50°F 2011 | -10°F 2017 | 42% |
| Dec 29 | 34°F | 18°F | 43°F 2018 | -12°F 2017 | 42% |
| Dec 30 | 34°F | 18°F | 50°F 2024 | -12°F 2017 | 42% |
| Dec 31 | 34°F | 18°F | 48°F 2022 | -13°F 2017 | 41% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (EST).
- December 1
- sunrise 6:49 AM, sunset 3:55 PM
- December 31
- sunrise 7:09 AM, sunset 4:03 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00170100 (Acadia Np), public domain. Records: NOAA GHCN-Daily, station USC00172443, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.