Allegheny County
December
Weather in Allegheny County for December 2024
Your guide to Allegheny County weather in December - trends and predictions
In general, the average temperature in Allegheny County at the beginning of December is 7.4 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 6.4 °F by the end of December.
Allegheny County sees moderate rainfall in December, averaging 6 rainy days.
Allegheny County experiences moderate snowfall in December, with an average of 6 snowy days.
- New! Chat with our AI weatherman - it’s amazing and free.
19
Dry days
6
Rainy days
6
Snow days
8°/-1°
Temperatures
15 km/h
Avg max wind
75 %
Avg humidity
Allegheny County in December average weather
Move between months or click on a day
Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
---|---|---|---|---|---|---|
1 7° | ||||||
2 14° | 3 12° | 4 6° | 5 4° | 6 3° | 7 6° | 8 14° |
9 16° | 10 15° | 11 3° | 12 7° | 13 4° | 14 5° | 15 8° |
16 10° | 17 9° | 18 7° | 19 0° | 20 4° | 21 4° | 22 6° |
23 6° | 24 -1° | 25 4° | 26 4° | 27 5° | 28 9° | 29 7° |
30 8° | 31 8° |
You can click on date
Access Allegheny County weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during December in Allegheny County
See the weather trend as well as the moving average line
December weather day by day
Click on a date for more information
Date | Weather | Temperatures | Rain | Snow | More |
---|---|---|---|---|---|
Dec. 1 | Light rain | 7° /4° | 2.8 mm | 0 cm | |
Dec. 2 | Patchy rain possible | 14° /7° | 0.1 mm | 0 cm | |
Dec. 3 | Light rain shower | 12° /6° | 16.8 mm | 0 cm | |
Dec. 4 | Overcast | 6° /3° | 0 mm | 0 cm | |
Dec. 5 | Moderate or heavy snow showers | 4° /1° | 2.9 mm | 2.5 cm | |
Dec. 6 | Light snow showers | 3° /0° | 0.6 mm | 0.5 cm | |
Dec. 7 | Overcast | 6° /0° | 0 mm | 0 cm | |
Dec. 8 | Partly cloudy | 14° /2° | 0 mm | 0 cm | |
Dec. 9 | Patchy rain possible | 16° /6° | 0.9 mm | 0 cm | |
Dec. 10 | Moderate or heavy rain with thunder | 15° /3° | 63.1 mm | 0 cm | |
Dec. 11 | Moderate or heavy snow showers | 3° /0° | 2 mm | 1.6 cm | |
Dec. 12 | Sunny | 7° /-1° | 0 mm | 0 cm | |
Dec. 13 | Partly cloudy | 4° /-1° | 0 mm | 0 cm | |
Dec. 14 | Sunny | 5° /-2° | 0 mm | 0 cm | |
Dec. 15 | Sunny | 8° /-1° | 0 mm | 0 cm | |
Dec. 16 | Sunny | 10° /0° | 0 mm | 0 cm | |
Dec. 17 | Light rain | 9° /6° | 6.7 mm | 0 cm | |
Dec. 18 | Moderate or heavy snow showers | 7° /0° | 2.8 mm | 1 cm | |
Dec. 19 | Light snow showers | 0° /-2° | 0.8 mm | 0.7 cm | |
Dec. 20 | Partly cloudy | 4° /-3° | 0 mm | 0 cm | |
Dec. 21 | Cloudy | 4° /-1° | 0 mm | 0 cm | |
Dec. 22 | Patchy moderate snow | 6° /0° | 2.8 mm | 0.6 cm | |
Dec. 23 | Moderate snow | 6° /-7° | 4.2 mm | 1.3 cm | |
Dec. 24 | Light freezing rain | -1° /-6° | 0.3 mm | 0 cm | |
Dec. 25 | Overcast | 4° /-3° | 0.2 mm | 0 cm | |
Dec. 26 | Light freezing rain | 4° /-2° | 2.1 mm | 0 cm | |
Dec. 27 | Overcast | 5° /0° | 14.9 mm | 0 cm | |
Dec. 28 | Overcast | 9° /2° | 0.8 mm | 0 cm | |
Dec. 29 | Cloudy | 7° /0° | 0 mm | 0 cm | |
Dec. 30 | Overcast | 8° /3° | 0.5 mm | 0.3 cm | |
Dec. 31 | Heavy rain at times | 8° /2° | 3.7 mm | 0 cm | |
Next |
Important Notice
Our weather forecast for Allegheny 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 Allegheny County forecast closer to your planned date for the most up-to-date weather information.
Allegheny County in December - FAQ
What are the expected maximum and minimum temperatures in Allegheny County during December?
Prepare for cooler days with highs just around 8° and colder nights, dipping below -1°.
How much rainfall should be expected in Allegheny County during December?
Significant rainfall exceeding 158.3 mm is expected in Allegheny County during December, occurring over more than 6 days. Preparing for wet conditions is recommended in your planning.
Is snowfall common in Allegheny County during December?
Allegheny County experiences an average snowfall of 10.7 cm during December, occurring over 6 days, which may interest winter sports enthusiasts.
What are the typical wind conditions in Allegheny County during December?
The average wind speed in Allegheny County during December is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Allegheny County
Explore the daily rainfall trends and prepare for Allegheny Countys December weather 💧
December snowfall in Allegheny County
Track daily snowfall levels and discover Allegheny County’s snowy potential this December ❄️
Top locations in Allegheny County
Select a location for an accurate weather forecast
More Locations Quick links
You are here
Where is Allegheny County?
Get accurate weather forecasts for Allegheny County, located at latitude 40.441 and longitude -79.996. Stay updated with localized weather information tailored for Allegheny County.
Found a mistake?
We appreciate your attention to details. Tell us here.