Maine (Bar Harbor)
December
Weather in Maine for December 2025
Your guide to Maine weather in December - trends and predictions
Maine typically experiences moderate snowfall in December, with an average of 6 snowy days.
In general, the average temperature in Maine at the beginning of December is 1.4 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 3 °F by the end of December.
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Snow Forecast ❄️
Temperatures
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17
Dry days
8
Rainy days
6
Snow days
2°/-4°
Temperatures
21 km/h
Avg max wind
69 %
Avg humidity
Maine Weather December
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What’s the Weather Like in Maine This December?
Discover the average temperatures and weather trends across Maine’s cities this December.
Temperatures trend during December in Maine
See the weather trend as well as the moving average line
December weather in Maine day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Dec. 1 |  Partly cloudy | 3° /-2° | 0 mm | 0 cm | |
| Dec. 2 |  Sunny | 3° /-3° | 0 mm | 0 cm | |
| Dec. 3 | Sunny | 1° /-3° | 0 mm | 0 cm | |
| Dec. 4 |  Cloudy | 1° /-4° | 0.2 mm | 0 cm | |
| Dec. 5 |  Moderate or heavy rain shower | 5° /0° | 58.7 mm | 0 cm | |
| Dec. 6 | Sunny | 0° /-6° | 0 mm | 0 cm | |
| Dec. 7 | Sunny | -3° /-8° | 0 mm | 0 cm | |
| Dec. 8 |  Moderate or heavy snow showers | 2° /-4° | 14.1 mm | 6.4 cm | |
| Dec. 9 |  Overcast | 0° /-5° | 1.4 mm | 0.9 cm | |
| Dec. 10 | Overcast | 2° /-3° | 8.6 mm | 6.2 cm | |
| Dec. 11 | Moderate or heavy rain shower | 13° /2° | 61.5 mm | 0 cm | |
| Dec. 12 | Moderate or heavy rain shower | 11° /0° | 36.8 mm | 0 cm | |
| Dec. 13 | Sunny | 0° /-4° | 0 mm | 0 cm | |
| Dec. 14 | Sunny | -1° /-6° | 0 mm | 0 cm | |
| Dec. 15 | Sunny | 0° /-7° | 0 mm | 0 cm | |
| Dec. 16 | Overcast | 3° /-2° | 0 mm | 0 cm | |
| Dec. 17 | Moderate or heavy rain shower | 10° /3° | 24.5 mm | 0 cm | |
| Dec. 18 | Cloudy | 5° /1° | 1.5 mm | 0 cm | |
| Dec. 19 | Moderate or heavy rain shower | 5° /-2° | 20.8 mm | 0 cm | |
| Dec. 20 | Overcast | -2° /-4° | 2.1 mm | 0.8 cm | |
| Dec. 21 |  Light freezing rain | -3° /-6° | 4.6 mm | 2 cm | |
| Dec. 22 | Sunny | -8° /-12° | 0 mm | 0 cm | |
| Dec. 23 | Overcast | -3° /-12° | 0 mm | 0 cm | |
| Dec. 24 | Moderate or heavy snow showers | 0° /-7° | 11.7 mm | 7.8 cm | |
| Dec. 25 | Overcast | -1° /-8° | 0 mm | 0 cm | |
| Dec. 26 | Sunny | 0° /-7° | 0 mm | 0 cm | |
| Dec. 27 | Sunny | 1° /-9° | 0 mm | 0 cm | |
| Dec. 28 | Cloudy | 2° /-7° | 0 mm | 0 cm | |
| Dec. 29 |  Patchy rain possible | 3° /0° | 1.4 mm | 0 cm | |
| Dec. 30 | Moderate or heavy rain shower | 9° /5° | 21.9 mm | 0 cm | |
| Dec. 31 | Sunny | 7° /2° | 0 mm | 0 cm | |
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Important Notice
Our weather forecast for Maine 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 Maine forecast closer to your planned date for the most up-to-date weather information.
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Maine in December - FAQ
What are the expected maximum and minimum temperatures in Maine during December?
Brace for cold days with temperatures not exceeding 2° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Maine during December?
Significant rainfall exceeding 269.8 mm is expected in Maine during December, occurring over more than 8 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Maine in December 2025?
Maine experiences an average snowfall of 24.06 cm during December, occurring over 6 days.
What are the typical wind conditions in Maine during December?
The average wind speed in Maine during December is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
Maine snow forecast December 2025
Track daily snowfall levels and discover Maine’s snowy potential this December ❄️
December rainfall patterns in Maine
Explore the daily rainfall trends and prepare for Maines December weather 💧
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