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Blair County (Altoona)
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United States weather

Weather in Blair County, Pennsylvania for December 2025

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

    Snow Forecast ❄️

  • Blair County typically experiences moderate snowfall in December, with an average of 10 snowy days.
    According to Blair County snow forecast for December 2025, 6 snowy days are expected in the next 2 weeks. The closest date with snow is Tuesday, December 2.

    • Temperatures

  • The forecast for the next days in Blair County predicts temperatures to be around 3 °F, close to the historical average.

  • In general, the average temperature in Blair County at the beginning of December is 0.4 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 5.4 °F by the end of December.

    • More

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

Average dry days
17
Dry days
Average rainy days
4
Rainy days
Average snowy days
10
Snow days
Average temperatures
2°/-3°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
77 %
Avg humidity

Blair County Weather December

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

Temperatures trend during December in Blair County

See the weather trend as well as the moving average line

December weather in Blair County day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
Dec. 1 Partly cloudy
Partly cloudy
 0° /-5° 0 mm 0 cm
Dec. 2 Heavy snow
Heavy snow
 1° /-2° 76.6 mm 37.4 cm
Dec. 3 Cloudy
Cloudy
 3° /-5° 0 mm 0 cm
Dec. 4 Light snow
Light snow
 2° /-11° 0.5 mm 0.3 cm
Dec. 5 Patchy moderate snow
Patchy moderate snow
 -5° /-13° 1 mm 0.7 cm
Dec. 6 Heavy snow
Heavy snow
 0° /-6° 1.1 mm 0.8 cm
Dec. 7 Heavy freezing drizzle
Heavy freezing drizzle
 2° /-1° 3.2 mm 1.1 cm
Dec. 8 Blowing snow
Blowing snow
 0° /-6° 0.3 mm 0 cm
Dec. 9 Partly cloudy
Partly cloudy
 -1° /-10° 0 mm 0 cm
Dec. 10 Mist
Mist
 1° /-6° 3.5 mm 0 cm
Dec. 11 Patchy rain possible
Patchy rain possible
 8° /4° 2.9 mm 0 cm
Dec. 12 Patchy rain possible
Patchy rain possible
 9° /4° 2.4 mm 0 cm
Dec. 13 Partly cloudy
Partly cloudy
 6° /-1° 0 mm 0 cm
Dec. 14 Patchy rain possible
Patchy rain possible
 8° /0° 2.2 mm 0 cm
Dec. 15 Moderate or heavy snow showers
Moderate or heavy snow showers
 0° /-5° 15.7 mm 11 cm
Dec. 16 Heavy rain at times
Heavy rain at times
 3° /0° 15.9 mm 2.1 cm
Dec. 17 Overcast
Overcast
 8° /0° 1.8 mm 0.8 cm
Dec. 18 Moderate or heavy snow showers
Moderate or heavy snow showers
 2° /0° 25.7 mm 1.2 cm
Dec. 19 Overcast
Overcast
 1° /-2° 0 mm 0 cm
Dec. 20 Patchy moderate snow
Patchy moderate snow
 0° /-1° 3.4 mm 0.4 cm
Dec. 21 Cloudy
Cloudy
 0° /-5° 0 mm 0 cm
Dec. 22 Sunny
Sunny
 -4° /-10° 0 mm 0 cm
Dec. 23 Overcast
Overcast
 -2° /-9° 0 mm 0 cm
Dec. 24 Light freezing rain
Light freezing rain
 2° /-3° 2.1 mm 1.2 cm
Dec. 25 Overcast
Overcast
 1° /-2° 0 mm 0 cm
Dec. 26 Overcast
Overcast
 2° /-3° 0 mm 0 cm
Dec. 27 Overcast
Overcast
 2° /-2° 0.5 mm 0 cm
Dec. 28 Moderate or heavy snow showers
Moderate or heavy snow showers
 7° /0° 13.1 mm 9.5 cm
Dec. 29 Moderate or heavy rain shower
Moderate or heavy rain shower
 12° /1° 20 mm 0 cm
Dec. 30 Patchy rain possible
Patchy rain possible
 9° /4° 0.4 mm 0 cm
Dec. 31 Fog
Fog
 5° /2° 12.4 mm 0 cm
Next
Important Notice
Our weather forecast for Blair 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 Blair County forecast closer to your planned date for the most up-to-date weather information.
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Blair County in December - FAQ

What are the expected maximum and minimum temperatures in Blair County 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 Blair County during December?
Significant rainfall exceeding 181 mm is expected in Blair County during December, occurring over more than 4 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Blair County in December 2025?
Blair County experiences an average snowfall of 31.21 cm during December, occurring over 10 days.
What are the typical wind conditions in Blair County during December?
The average wind speed in Blair County during December is 16 km/h, suggesting breezy to windy conditions, depending on your activities.

Blair County snow forecast December 2025

Track daily snowfall levels and discover Blair County’s snowy potential this December ❄️
On average, Blair County sees 10 snowy days during December, with approximately 31.2 cm of total snowfall.

December rainfall patterns in Blair County

Explore the daily rainfall trends and prepare for Blair Countys December weather 💧
Typically, Blair County has 4 rainy days in December with a total of 181 mm of rainfall.
Top locations in Blair County
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Altoona
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Location coordinates Where is Blair County?

Get accurate weather forecasts for Blair County, located at latitude 40.519 and longitude -78.395. Stay updated with localized weather information tailored for Blair County.

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