Penobscot County (Bangor)
December
Weather in Penobscot County, Maine for December 2025
Your guide to Penobscot County weather in December - trends and predictions
Penobscot County typically experiences moderate snowfall in December, with an average of 6 snowy days.
In general, the average temperature in Penobscot County at the beginning of December is 0.7 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 2 °F by the end of December.
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Snow Forecast ❄️
Temperatures
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16
Dry days
9
Rainy days
6
Snow days
1°/-6°
Temperatures
16 km/h
Avg max wind
70 %
Avg humidity
Penobscot County Weather December
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Temperatures trend during December in Penobscot County
See the weather trend as well as the moving average line
December weather in Penobscot County day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Dec. 1 |  Sunny | 3° /-4° | 0 mm | 0 cm | |
| Dec. 2 |  Patchy moderate snow | 1° /-6° | 1.6 mm | 1.2 cm | |
| Dec. 3 |  Partly cloudy | 0° /-5° | 0 mm | 0 cm | |
| Dec. 4 | Partly cloudy | 1° /-6° | 0.2 mm | 0 cm | |
| Dec. 5 |  Moderate or heavy rain shower | 3° /0° | 38.7 mm | 0 cm | |
| Dec. 6 | Sunny | 0° /-8° | 0 mm | 0 cm | |
| Dec. 7 | Sunny | -3° /-11° | 0 mm | 0 cm | |
| Dec. 8 |  Moderate or heavy snow showers | 1° /-6° | 11.4 mm | 7.9 cm | |
| Dec. 9 |  Cloudy | -1° /-6° | 1 mm | 0.4 cm | |
| Dec. 10 |  Overcast | -1° /-5° | 8.1 mm | 5.6 cm | |
| Dec. 11 | Moderate or heavy rain shower | 13° /0° | 74.3 mm | 0 cm | |
| Dec. 12 | Moderate or heavy rain shower | 12° /0° | 39.3 mm | 0 cm | |
| Dec. 13 | Sunny | -1° /-5° | 0 mm | 0 cm | |
| Dec. 14 | Sunny | -1° /-7° | 0 mm | 0 cm | |
| Dec. 15 | Sunny | 0° /-9° | 0 mm | 0 cm | |
| Dec. 16 | Overcast | 3° /-3° | 0 mm | 0 cm | |
| Dec. 17 | Moderate or heavy rain shower | 9° /2° | 11.4 mm | 0 cm | |
| Dec. 18 | Overcast | 5° /1° | 2.2 mm | 0 cm | |
| Dec. 19 | Moderate or heavy snow showers | 4° /-3° | 17.9 mm | 2.4 cm | |
| Dec. 20 | Overcast | -3° /-5° | 1.1 mm | 0 cm | |
| Dec. 21 |  Light freezing rain | -3° /-7° | 3.3 mm | 0 cm | |
| Dec. 22 | Sunny | -7° /-13° | 0 mm | 0 cm | |
| Dec. 23 | Overcast | -6° /-13° | 0 mm | 0 cm | |
| Dec. 24 | Moderate or heavy snow showers | -2° /-8° | 11.3 mm | 7.4 cm | |
| Dec. 25 | Overcast | -2° /-9° | 0 mm | 0 cm | |
| Dec. 26 | Sunny | -1° /-11° | 0 mm | 0 cm | |
| Dec. 27 | Sunny | -1° /-12° | 0 mm | 0 cm | |
| Dec. 28 | Cloudy | 0° /-9° | 0 mm | 0 cm | |
| Dec. 29 | Moderate or heavy rain shower | 3° /-4° | 2.1 mm | 0 cm | |
| Dec. 30 | Moderate or heavy rain shower | 9° /3° | 25.1 mm | 0 cm | |
| Dec. 31 | Sunny | 6° /0° | 0 mm | 0 cm | |
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Important Notice
Our weather forecast for Penobscot County in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Penobscot County forecast closer to your planned date for the most up-to-date weather information.
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Penobscot County in December - FAQ
What are the expected maximum and minimum temperatures in Penobscot County during December?
Brace for cold days with temperatures not exceeding 1° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Penobscot County during December?
Significant rainfall exceeding 249.1 mm is expected in Penobscot County during December, occurring over more than 9 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Penobscot County in December 2025?
Penobscot County experiences an average snowfall of 24.8 cm during December, occurring over 6 days.
What are the typical wind conditions in Penobscot County during December?
The average wind speed in Penobscot County during December is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
Penobscot County snow forecast December 2025
Track daily snowfall levels and discover Penobscot County’s snowy potential this December ❄️
December rainfall patterns in Penobscot County
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Where is Penobscot County?Get accurate weather forecasts for Penobscot County, located at latitude 44.799 and longitude -68.773. Stay updated with localized weather information tailored for Penobscot County.
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