Pittsburgh (PA)
December
Weather in Pittsburgh, Pennsylvania for December 2026
Your guide to Pittsburgh weather in December - trends and predictions
With an average of 5 snowy days, Pittsburgh usually enjoys a light touch of snow in December.
In general, the average temperature in Pittsburgh at the beginning of December is 2.7 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 5.8 °C by the end of December.
Is December a good time to visit Pittsburgh? check out the best time to travel to Pittsburgh page.
✨ Is December a good time to visit Pittsburgh? – Ask the AI Weatherman
Snow Forecast ❄️
Temperatures
More
20
Dry days
6
Rainy days
5
Snow days
4°/-1°
Temperatures
16 km/h
Avg max wind
78 %
Avg humidity
Pittsburgh Weather December
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Temperatures trend during December in Pittsburgh
See the weather trend as well as the moving average line
December weather in Pittsburgh day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Dec. 1 |  Light rain | 2° /0° | 0.9 mm | 0 cm | |
| Dec. 2 |  Moderate rain | 5° /1° | 13.5 mm | 9.7 cm | |
| Dec. 3 | Light rain | 4° /0° | 5.6 mm | 0 cm | |
| Dec. 4 |  Overcast | 2° /-2° | 0.5 mm | 0.3 cm | |
| Dec. 5 |  Patchy rain possible | 1° /-4° | 1 mm | 0.8 cm | |
| Dec. 6 | Overcast | 1° /-2° | 0.2 mm | 0.2 cm | |
| Dec. 7 | Overcast | 3° /-1° | 0 mm | 0 cm | |
| Dec. 8 |  Partly cloudy | 6° /-1° | 0 mm | 0 cm | |
| Dec. 9 | Moderate rain | 8° /1° | 11.3 mm | 0 cm | |
| Dec. 10 |  Moderate or heavy rain with thunder | 9° /3° | 33.3 mm | 0.9 cm | |
| Dec. 11 |  Light snow | 2° /-2° | 1 mm | 0.8 cm | |
| Dec. 12 | Overcast | 2° /-3° | 0 mm | 0 cm | |
| Dec. 13 | Light snow | 1° /-3° | 1.2 mm | 0 cm | |
| Dec. 14 | Light snow | 1° /-5° | 1.4 mm | 1 cm | |
| Dec. 15 | Light rain | 2° /-4° | 9.2 mm | 0 cm | |
| Dec. 16 | Moderate rain | 8° /-1° | 22.4 mm | 0 cm | |
| Dec. 17 | Patchy rain possible | 8° /3° | 2.2 mm | 0 cm | |
| Dec. 18 |  Heavy rain | 6° /0° | 27.3 mm | 0.3 cm | |
| Dec. 19 | Light rain | 3° /-2° | 5.2 mm | 0.2 cm | |
| Dec. 20 | Partly cloudy | 2° /-3° | 0 mm | 0 cm | |
| Dec. 21 | Overcast | 3° /-3° | 0 mm | 0 cm | |
| Dec. 22 |  Patchy moderate snow | 3° /-4° | 1.4 mm | 0.3 cm | |
| Dec. 23 | Light snow | 4° /-5° | 4.3 mm | 0.9 cm | |
| Dec. 24 |  Light freezing rain | 1° /-3° | 1.6 mm | 1.1 cm | |
| Dec. 25 | Light rain | 3° /-2° | 2.8 mm | 0 cm | |
| Dec. 26 | Light freezing rain | 3° /-2° | 6.8 mm | 0.9 cm | |
| Dec. 27 | Light rain | 4° /0° | 9.1 mm | 0 cm | |
| Dec. 28 | Light rain | 10° /2° | 2.7 mm | 0 cm | |
| Dec. 29 | Light rain | 10° /0° | 5.9 mm | 0 cm | |
| Dec. 30 | Overcast | 5° /2° | 0.2 mm | 0.2 cm | |
| Dec. 31 | Light rain | 6° /1° | 4.1 mm | 0.2 cm | |
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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 4° 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 175.2 mm is expected in Pittsburgh during December, occurring over more than 6 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Pittsburgh in December 2026?
Pittsburgh experiences an average snowfall of 17.9 cm during December, occurring over 5 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 2026
Track daily snowfall levels and discover Pittsburgh’s snowy potential this December ❄️
On average, Pittsburgh sees 5 snowy days during December, with approximately 17.9 cm of total snowfall.
December rainfall patterns in Pittsburgh
Explore the daily rainfall trends and prepare for Pittsburghs December weather 💧
Typically, Pittsburgh has 6 rainy days in December with a total of 175.2 mm of rainfall.
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