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United States weather

Weather in Allen County, Indiana for December 2025

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

    Snow Forecast ❄️

  • With an average of 3 snowy days, Allen County usually enjoys a light touch of snow in December.
    According to Allen County snow forecast for December 2025, 4 snowy days are expected until the end of the month. The closest date with snow is Friday, December 19.

    • Temperatures

  • Until now, December 2025 in Allen County is cooler than usual, with temperatures averaging -0.5 °F, this is -3.2 °F below the typical seasonal average.

  • Expect cooler weather in the next days in Allen County with the forecast suggesting a temperature of 0.6 °F, lower than the historical average.

  • In general, the average temperature in Allen County at the beginning of December is 2.3 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 0.9 °F by the end of December.

    • Rain 🌧️

  • The climate of Allen County in December is notably wet, with an average of 14 rainy days, and a total of 148.4 mm of precipitation.

    • More

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

Average dry days
14
Dry days
Average rainy days
14
Rainy days
Average snowy days
3
Snow days
Average temperatures
4°/-1°
Temperatures
Average wind speed
23 km/h
Avg max wind
Average humidity
77 %
Avg humidity

Allen County Weather December

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

Temperatures trend during December in Allen County

See the weather trend as well as the moving average line

December weather in Allen County day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
Dec. 1 Moderate rain
Moderate rain
 1° /-3° 3.3 mm 0 cm
Dec. 2 Patchy rain possible
Patchy rain possible
 3° /-2° 6.1 mm 3.8 cm
Dec. 3 Overcast
Overcast
 3° /-2° 2.5 mm 0 cm
Dec. 4 Overcast
Overcast
 2° /-4° 0 mm 0 cm
Dec. 5 Heavy snow
Heavy snow
 1° /-6° 1.6 mm 1.2 cm
Dec. 6 Light snow showers
Light snow showers
 1° /-4° 0 mm 0 cm
Dec. 7 Cloudy
Cloudy
 5° /-2° 1.2 mm 0.5 cm
Dec. 8 Overcast
Overcast
 5° /-3° 0 mm 0 cm
Dec. 9 Light rain shower
Light rain shower
 8° /0° 7.9 mm 0 cm
Dec. 10 Moderate snow
Moderate snow
 4° /-1° 3 mm 0.4 cm
Dec. 11 Sunny
Sunny
 1° /-4° 0 mm 0 cm
Dec. 12 Sunny
Sunny
 1° /-4° 2.8 mm 2 cm
Dec. 13 Overcast
Overcast
 0° /-6° 4.2 mm 3 cm
Dec. 14 Sunny
Sunny
 2° /-6° 0 mm 0 cm
Dec. 15 Sunny
Sunny
 -3° /-16° 0 mm 0 cm
Dec. 16 Partly cloudy
Partly cloudy
 3° /-9° 0 mm 0 cm
Dec. 17 Overcast
Overcast
 0° /-3° 0 mm 0 cm
Dec. 18 Moderate rain
Moderate rain
 11° /-2° 8.4 mm 0 cm
Dec. 19 Light snow
Light snow
 -3° /-9° 1.8 mm 0.7 cm
Dec. 20 Light freezing rain
Light freezing rain
 6° /-5° 0.2 mm 0 cm
Dec. 21 Moderate or heavy snow showers
Moderate or heavy snow showers
 0° /-7° 3.4 mm 2.4 cm
Dec. 22 Partly cloudy
Partly cloudy
 -1° /-8° 0 mm 0 cm
Dec. 23 Cloudy
Cloudy
 7° /-2° 0 mm 0 cm
Dec. 24 Partly cloudy
Partly cloudy
 4° /-3° 0 mm 0 cm
Dec. 25 Partly cloudy
Partly cloudy
 -3° /-6° 0 mm 0 cm
Dec. 26 Moderate snow
Moderate snow
 -1° /-9° 1.3 mm 1 cm
Dec. 27 Overcast
Overcast
 -8° /-10° 0 mm 0 cm
Dec. 28 Light freezing rain
Light freezing rain
 -3° /-11° 0.1 mm 0.1 cm
Dec. 29 Overcast
Overcast
 8° /2° 42.1 mm 0.1 cm
Dec. 30 Moderate or heavy rain shower
Moderate or heavy rain shower
 8° /3° 5.6 mm 0 cm
Dec. 31 Heavy rain at times
Heavy rain at times
 5° /0° 11.1 mm 0 cm
Next
Important Notice
Our weather forecast for Allen 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 Allen County forecast closer to your planned date for the most up-to-date weather information.
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Allen County in December - FAQ

What are the expected maximum and minimum temperatures in Allen County during December?
Brace for cold days with temperatures not exceeding 4° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Allen County during December?
Significant rainfall exceeding 148.4 mm is expected in Allen County during December, occurring over more than 14 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Allen County in December 2025?
Allen County experiences an average snowfall of 2.895 cm during December, occurring over 3 days.
What are the typical wind conditions in Allen County during December?
The average wind speed in Allen County during December is 23 km/h, suggesting breezy to windy conditions, depending on your activities.

Allen County snow forecast December 2025

Track daily snowfall levels and discover Allen County’s snowy potential this December ❄️
On average, Allen County sees 3 snowy days during December, with approximately 2.9 cm of total snowfall.

December rainfall patterns in Allen County

Explore the daily rainfall trends and prepare for Allen Countys December weather 💧
Typically, Allen County has 14 rainy days in December with a total of 148.4 mm of rainfall.
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Fort Wayne
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Location coordinates Where is Allen County?

Get accurate weather forecasts for Allen County, located at latitude 41.131 and longitude -85.129. Stay updated with localized weather information tailored for Allen County.

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