Cumberland County (Portland)
December
Weather in Cumberland County for December 2025
Your guide to Cumberland County weather in December - trends and predictions
With an average of 3 snowy days, Cumberland County usually enjoys a light touch of snow in December.
In general, the average temperature in Cumberland County at the beginning of December is 1.7 °F. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 4 °F by the end of December.
Cumberland County experiences moderate rainfall in December, with an average of 7 rainy days and a total precipitation of 282.1 mm.
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Snow Forecast ❄️
Temperatures
Rain 🌧️
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21
Dry days
7
Rainy days
3
Snow days
3°/-2°
Temperatures
19 km/h
Avg max wind
71 %
Avg humidity
Cumberland County Weather December
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  2° | 2  1° | 3 2° | 4  3° | 5  5° | 6  0° | |
| 7 -1° | 8  6° | 9  2° | 10  2° | 11  12° | 12 11° | 13 0° |
| 14 0° | 15 0° | 16 4° | 17  8° | 18 4° | 19 7° | 20 -1° |
| 21 -1° | 22 -5° | 23 -4° | 24 0° | 25 0° | 26 3° | 27 3° |
| 28 2° | 29 4° | 30 9° | 31 7° |
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Temperatures trend during December in Cumberland County
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Dec. 1 | Cloudy | 2° /-1° | 0 mm | 0 cm | |
| Dec. 2 | Partly cloudy | 1° /-3° | 0 mm | 0 cm | |
| Dec. 3 | Partly cloudy | 2° /-2° | 0 mm | 0 cm | |
| Dec. 4 | Overcast | 3° /-2° | 0 mm | 0 cm | |
| Dec. 5 | Heavy snow | 5° /0° | 44.2 mm | 4 cm | |
| Dec. 6 | Sunny | 0° /-4° | 0 mm | 0 cm | |
| Dec. 7 | Sunny | -1° /-6° | 0 mm | 0 cm | |
| Dec. 8 | Moderate or heavy snow showers | 6° /0° | 8.1 mm | 2.4 cm | |
| Dec. 9 | Moderate rain at times | 2° /0° | 10.2 mm | 6.3 cm | |
| Dec. 10 | Light rain | 2° /-1° | 28.4 mm | 0 cm | |
| Dec. 11 | Heavy rain | 12° /3° | 67.3 mm | 0 cm | |
| Dec. 12 | Sunny | 11° /0° | 20.8 mm | 0 cm | |
| Dec. 13 | Partly cloudy | 0° /-4° | 0 mm | 0 cm | |
| Dec. 14 | Sunny | 0° /-6° | 0 mm | 0 cm | |
| Dec. 15 | Sunny | 0° /-7° | 0 mm | 0 cm | |
| Dec. 16 | Overcast | 4° /-1° | 0 mm | 0 cm | |
| Dec. 17 | Moderate rain | 8° /4° | 24.8 mm | 0 cm | |
| Dec. 18 | Overcast | 4° /1° | 0 mm | 0 cm | |
| Dec. 19 | Moderate rain | 7° /0° | 37.3 mm | 0 cm | |
| Dec. 20 | Overcast | -1° /-3° | 0 mm | 0 cm | |
| Dec. 21 | Overcast | -1° /-4° | 0 mm | 0 cm | |
| Dec. 22 | Sunny | -5° /-10° | 0 mm | 0 cm | |
| Dec. 23 | Partly cloudy | -4° /-10° | 0 mm | 0 cm | |
| Dec. 24 | Overcast | 0° /-4° | 0 mm | 0 cm | |
| Dec. 25 | Overcast | 0° /-6° | 0 mm | 0 cm | |
| Dec. 26 | Cloudy | 3° /-4° | 0 mm | 0 cm | |
| Dec. 27 | Sunny | 3° /-4° | 0 mm | 0 cm | |
| Dec. 28 | Overcast | 2° /-2° | 0 mm | 0 cm | |
| Dec. 29 | Moderate rain at times | 4° /0° | 3.5 mm | 0 cm | |
| Dec. 30 | Moderate or heavy rain shower | 9° /4° | 37.6 mm | 0 cm | |
| Dec. 31 | Partly cloudy | 7° /3° | 0 mm | 0 cm | |
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Important Notice
Our weather forecast for Cumberland 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 Cumberland County forecast closer to your planned date for the most up-to-date weather information.
Cumberland County in December - FAQ
What are the expected maximum and minimum temperatures in Cumberland County during December?
Brace for cold days with temperatures not exceeding 3° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Cumberland County during December?
Significant rainfall exceeding 282.1 mm is expected in Cumberland County during December, occurring over more than 7 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Cumberland County in December 2025?
Cumberland County experiences an average snowfall of 12.69 cm during December, occurring over 3 days.
What are the typical wind conditions in Cumberland County during December?
The average wind speed in Cumberland County during December is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
Cumberland County snow forecast December 2025
Track daily snowfall levels and discover Cumberland County’s snowy potential this December ❄️
December rainfall patterns in Cumberland County
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Where is Cumberland County?Get accurate weather forecasts for Cumberland County, located at latitude 43.657 and longitude -70.259. Stay updated with localized weather information tailored for Cumberland County.
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