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Penobscot County (Bangor)
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Weather in Penobscot County, Maine for December 2025

Your guide to Penobscot County weather in December - trends and predictions

    Snow Forecast ❄️

  • Penobscot County typically experiences moderate snowfall in December, with an average of 6 snowy days.
    According to Penobscot County snow forecast for December 2025, 6 snowy days are expected until the end of the month. The closest date with snow is Saturday, December 20.

    • Temperatures

  • Until now, December 2025 in Penobscot County is slightly cooler than the historical average by -1.3 °F.

  • Expect cooler weather in the next days in Penobscot County with the forecast suggesting a temperature of -1.4 °F, lower than the historical average.

  • In general, the average temperature in Penobscot County at the beginning of December is 0.7 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of -4.6 °F by the end of December.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
16
Dry days
Average rainy days
9
Rainy days
Average snowy days
6
Snow days
Average temperatures
1°/-5°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
69 %
Avg humidity

Penobscot County Weather December

Move between months or click on a day
November
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
4°
2
Patchy moderate snow
1°
3
Partly cloudy
1°
4
Partly cloudy
2°
5
Moderate or heavy rain shower
-1°
6
Sunny
0°
7
Sunny
-2°
8
Moderate or heavy snow showers
-2°
9
Cloudy
-1°
10
Overcast
2°
11
Moderate or heavy rain shower
8°
12
Moderate or heavy rain shower
5°
13
Sunny
-1°
14
Sunny
-1°
15
Sunny
-1°
16
Overcast
2°
17
Sunny
4°
18
Cloudy
3°
19
Heavy rain
12°
20
Light freezing rain
-2°
21
Heavy snow
3°
22
Partly cloudy
-4°
23
Moderate snow
-2°
24
Cloudy
4°
25
Heavy snow
-0°
26
Partly cloudy
-4°
27
Sunny
-9°
28
Heavy snow
-11°
29
Sunny
-9°
30
Heavy snow
-5°
31
Sunny
6°

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

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
Dec. 1 Sunny
Sunny
 4° /-5° 7.3 mm 0 cm
Dec. 2 Patchy moderate snow
Patchy moderate snow
 1° /-6° 14.2 mm 10.3 cm
Dec. 3 Partly cloudy
Partly cloudy
 1° /-4° 19.4 mm 14 cm
Dec. 4 Partly cloudy
Partly cloudy
 2° /-8° 0.1 mm 0 cm
Dec. 5 Moderate or heavy rain shower
Moderate or heavy rain shower
 -1° /-6° 19.4 mm 0 cm
Dec. 6 Sunny
Sunny
 0° /-8° 0 mm 0 cm
Dec. 7 Sunny
Sunny
 -2° /-8° 0 mm 0 cm
Dec. 8 Moderate or heavy snow showers
Moderate or heavy snow showers
 -2° /-8° 13.6 mm 9.7 cm
Dec. 9 Cloudy
Cloudy
 -1° /-10° 0.5 mm 0.2 cm
Dec. 10 Overcast
Overcast
 2° /-5° 15.1 mm 4.2 cm
Dec. 11 Moderate or heavy rain shower
Moderate or heavy rain shower
 8° /-4° 43.3 mm 1.1 cm
Dec. 12 Moderate or heavy rain shower
Moderate or heavy rain shower
 5° /-4° 19.7 mm 0 cm
Dec. 13 Sunny
Sunny
 -1° /-6° 0 mm 0 cm
Dec. 14 Sunny
Sunny
 -1° /-7° 0 mm 0 cm
Dec. 15 Sunny
Sunny
 -1° /-9° 0 mm 0 cm
Dec. 16 Overcast
Overcast
 2° /-6° 0 mm 0 cm
Dec. 17 Sunny
Sunny
 4° /-8° 0 mm 0 cm
Dec. 18 Cloudy
Cloudy
 3° /-5° 0 mm 0 cm
Dec. 19 Heavy rain
Heavy rain
 12° /4° 58.4 mm 0 cm
Dec. 20 Light freezing rain
Light freezing rain
 -2° /-7° 0.2 mm 0.1 cm
Dec. 21 Heavy snow
Heavy snow
 3° /-4° 3 mm 2.2 cm
Dec. 22 Partly cloudy
Partly cloudy
 -4° /-9° 0 mm 0 cm
Dec. 23 Moderate snow
Moderate snow
 -2° /-9° 1.4 mm 1 cm
Dec. 24 Cloudy
Cloudy
 4° /-5° 0.1 mm 0 cm
Dec. 25 Heavy snow
Heavy snow
 0° /-6° 2.5 mm 1.7 cm
Dec. 26 Partly cloudy
Partly cloudy
 -4° /-11° 0 mm 0 cm
Dec. 27 Sunny
Sunny
 -9° /-14° 0 mm 0 cm
Dec. 28 Heavy snow
Heavy snow
 -11° /-14° 2.5 mm 1.8 cm
Dec. 29 Sunny
Sunny
 -9° /-16° 0 mm 0 cm
Dec. 30 Heavy snow
Heavy snow
 -5° /-15° 1.1 mm 0.8 cm
Dec. 31 Sunny
Sunny
 6° /0° 0 mm 0 cm
Next
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 24.77 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 ❄️
On average, Penobscot County sees 6 snowy days during December, with approximately 24.8 cm of total snowfall.

December rainfall patterns in Penobscot County

Explore the daily rainfall trends and prepare for Penobscot Countys December weather 💧
Typically, Penobscot County has 9 rainy days in December with a total of 249.1 mm of rainfall.
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Bangor
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Location coordinates 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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