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United States weather

Weather in Pittsburgh, Pennsylvania for December 2025

Your guide to Pittsburgh weather in December - trends and predictions

    Snow Forecast ❄️

  • Pittsburgh typically experiences moderate snowfall in December, with an average of 10 snowy days.
    According to Pittsburgh snow forecast for December 2025, 1 snowy day is expected in the next 2 weeks at Sunday, December 14.

    • Temperatures

  • Until now, December 2025 in Pittsburgh is cooler than usual, with temperatures averaging 0.8 °F, this is -3.5 °F below the typical seasonal average.

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

  • In general, the average temperature in Pittsburgh at the beginning of December is 3 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 7 °F by the end of December.

    • More

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

Average dry days
9
Dry days
Average rainy days
12
Rainy days
Average snowy days
10
Snow days
Average temperatures
5°/0°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
77 %
Avg humidity

Pittsburgh Weather December

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

Temperatures trend during December in Pittsburgh

See the weather trend as well as the moving average line

December weather in Pittsburgh day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
Dec. 1 Light rain
Light rain
 3° /0° 0.9 mm 0 cm
Dec. 2 Patchy rain possible
Patchy rain possible
 5° /1° 13.5 mm 9.7 cm
Dec. 3 Light rain shower
Light rain shower
 5° /0° 5.6 mm 0 cm
Dec. 4 Overcast
Overcast
 2° /-2° 0.5 mm 0.3 cm
Dec. 5 Overcast
Overcast
 2° /-4° 1 mm 0.8 cm
Dec. 6 Overcast
Overcast
 1° /-2° 0.2 mm 0.2 cm
Dec. 7 Overcast
Overcast
 3° /-2° 0 mm 0 cm
Dec. 8 Partly cloudy
Partly cloudy
 7° /-1° 0 mm 0 cm
Dec. 9 Patchy rain possible
Patchy rain possible
 8° /0° 11.3 mm 0 cm
Dec. 10 Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 9° /2° 33.3 mm 0.9 cm
Dec. 11 Moderate or heavy snow showers
Moderate or heavy snow showers
 3° /-2° 1 mm 0.8 cm
Dec. 12 Overcast
Overcast
 3° /-3° 0 mm 0 cm
Dec. 13 Partly cloudy
Partly cloudy
 1° /-4° 1.2 mm 0 cm
Dec. 14 Moderate or heavy snow showers
Moderate or heavy snow showers
 -8° /-15° 2.6 mm 0.1 cm
Dec. 15 Partly cloudy
Partly cloudy
 -5° /-10° 0 mm 0 cm
Dec. 16 Partly cloudy
Partly cloudy
 2° /-6° 0 mm 0 cm
Dec. 17 Overcast
Overcast
 5° /-2° 0 mm 0 cm
Dec. 18 Patchy rain possible
Patchy rain possible
 9° /-2° 3.6 mm 0 cm
Dec. 19 Light sleet
Light sleet
 0° /-3° 0.2 mm 0 cm
Dec. 20 Patchy rain possible
Patchy rain possible
 10° /-1° 0.2 mm 0 cm
Dec. 21 Moderate rain
Moderate rain
 4° /-2° 6 mm 0 cm
Dec. 22 Partly cloudy
Partly cloudy
 6° /-3° 0 mm 0 cm
Dec. 23 Overcast
Overcast
 10° /2° 0.1 mm 0 cm
Dec. 24 Patchy rain possible
Patchy rain possible
 3° /1° 0.2 mm 0 cm
Dec. 25 Patchy rain possible
Patchy rain possible
 5° /0° 0.4 mm 0 cm
Dec. 26 Light drizzle
Light drizzle
 3° /-1° 5.3 mm 0 cm
Dec. 27 Overcast
Overcast
 5° /-1° 11.5 mm 0 cm
Dec. 28 Overcast
Overcast
 10° /2° 3.6 mm 0 cm
Dec. 29 Cloudy
Cloudy
 10° /2° 6 mm 0 cm
Dec. 30 Overcast
Overcast
 8° /3° 0.3 mm 0.2 cm
Dec. 31 Heavy rain at times
Heavy rain at times
 8° /3° 5 mm 0 cm
Next
Important Notice
Our weather forecast for Pittsburgh 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 Pittsburgh forecast closer to your planned date for the most up-to-date weather information.
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Pittsburgh in December - FAQ

What are the expected maximum and minimum temperatures in Pittsburgh during December?
Brace for cold days with temperatures not exceeding 5° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Pittsburgh during December?
Significant rainfall exceeding 204.6 mm is expected in Pittsburgh during December, occurring over more than 12 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Pittsburgh in December 2025?
Pittsburgh experiences an average snowfall of 6.91667 cm during December, occurring over 10 days.
What are the typical wind conditions in Pittsburgh during December?
The average wind speed in Pittsburgh during December is 16 km/h, suggesting breezy to windy conditions, depending on your activities.

Pittsburgh snow forecast December 2025

Track daily snowfall levels and discover Pittsburgh’s snowy potential this December ❄️
On average, Pittsburgh sees 10 snowy days during December, with approximately 6.9 cm of total snowfall.

December rainfall patterns in Pittsburgh

Explore the daily rainfall trends and prepare for Pittsburghs December weather 💧
Typically, Pittsburgh has 12 rainy days in December with a total of 204.6 mm of rainfall.

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Location coordinates Where is Pittsburgh?

Get accurate weather forecasts for Pittsburgh, located at latitude 40.441 and longitude -79.996. Stay updated with localized weather information tailored for Pittsburgh.

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