Philadelphia County (Philadelphia)
December
Weather in Philadelphia County, Pennsylvania for December 2026
Your guide to Philadelphia County weather in December - trends and predictions
Snowfall in Philadelphia County during December is quite rare, with fewer than 2 snowy days on average.
In general, the average temperature in Philadelphia County at the beginning of December is 7.4 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 6.7 °C by the end of December.
Philadelphia County experiences moderate rainfall in December, with an average of 9 rainy days and a total precipitation of 155.5 mm.
Is December a good time to visit Philadelphia County? check out the best time to travel to Philadelphia County page.
✨ Is December a good time to visit Philadelphia County? – Ask the AI Weatherman
Snow Forecast ❄️
Temperatures
Rain 🌧️
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21
Dry days
9
Rainy days
1
Snow days
7°/1°
Temperatures
17 km/h
Avg max wind
72 %
Avg humidity
Philadelphia County Weather December
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Temperatures trend during December in Philadelphia County
See the weather trend as well as the moving average line
December weather in Philadelphia County day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Dec. 1 |  Overcast | 6° /0° | 0.4 mm | 0 cm | |
| Dec. 2 |  Moderate rain | 8° /2° | 19.3 mm | 0 cm | |
| Dec. 3 |  Light rain | 10° /3° | 8.5 mm | 0 cm | |
| Dec. 4 |  Cloudy | 7° /1° | 0 mm | 0 cm | |
| Dec. 5 | Light rain | 6° /-1° | 2.6 mm | 0.4 cm | |
| Dec. 6 | Light rain | 9° /1° | 2.5 mm | 0 cm | |
| Dec. 7 |  Partly cloudy | 6° /1° | 0.6 mm | 0 cm | |
| Dec. 8 | Overcast | 7° /1° | 0 mm | 0 cm | |
| Dec. 9 | Light rain | 6° /-1° | 4.7 mm | 0 cm | |
| Dec. 10 | Light rain | 10° /1° | 7.1 mm | 0 cm | |
| Dec. 11 | Moderate rain | 10° /3° | 20.5 mm | 0 cm | |
| Dec. 12 | Overcast | 7° /1° | 0.8 mm | 0 cm | |
| Dec. 13 | Partly cloudy | 7° /1° | 0.1 mm | 0 cm | |
| Dec. 14 |  Light snow | 6° /-1° | 6.3 mm | 2.4 cm | |
| Dec. 15 | Light rain | 6° /-1° | 4.2 mm | 0 cm | |
| Dec. 16 | Light snow | 8° /2° | 7.3 mm | 2.1 cm | |
| Dec. 17 | Light snow | 8° /3° | 6.8 mm | 1.1 cm | |
| Dec. 18 | Moderate rain | 8° /1° | 11 mm | 0 cm | |
| Dec. 19 | Light rain | 6° /-1° | 7.3 mm | 0 cm | |
| Dec. 20 |  Patchy rain possible | 4° /-2° | 1.2 mm | 0 cm | |
| Dec. 21 |  Sunny | 5° /-1° | 0.8 mm | 0.3 cm | |
| Dec. 22 | Light rain | 5° /-2° | 2.7 mm | 0 cm | |
| Dec. 23 | Patchy rain possible | 5° /-2° | 1.8 mm | 0 cm | |
| Dec. 24 | Light rain | 5° /0° | 3.6 mm | 0.2 cm | |
| Dec. 25 | Light rain | 7° /0° | 4.8 mm | 0 cm | |
| Dec. 26 | Partly cloudy | 3° /-2° | 0.3 mm | 0.2 cm | |
| Dec. 27 | Light snow | 4° /-1° | 9.5 mm | 2.4 cm | |
| Dec. 28 | Light rain | 7° /1° | 9.5 mm | 0 cm | |
| Dec. 29 | Patchy rain possible | 10° /3° | 2.2 mm | 0 cm | |
| Dec. 30 | Light rain | 8° /3° | 6.5 mm | 0 cm | |
| Dec. 31 | Light rain | 8° /2° | 2.7 mm | 0 cm | |
| Next | |||||
Important Notice
Our weather forecast for Philadelphia 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 Philadelphia County forecast closer to your planned date for the most up-to-date weather information.
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Philadelphia County in December - FAQ
What are the expected maximum and minimum temperatures in Philadelphia County during December?
Prepare for cooler days with highs just around 7° and colder nights, dipping below 1°.
How much rainfall should be expected in Philadelphia County during December?
Significant rainfall exceeding 155.5 mm is expected in Philadelphia County during December, occurring over more than 9 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Philadelphia County in December 2026?
Philadelphia County typically sees 9.1 cm of snowfall during December.
What are the typical wind conditions in Philadelphia County during December?
The average wind speed in Philadelphia County during December is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
Philadelphia County snow forecast December 2026
Track daily snowfall levels and discover Philadelphia County’s snowy potential this December ❄️
On average, Philadelphia County sees 1 snowy days during December, with approximately 9.1 cm of total snowfall.
December rainfall patterns in Philadelphia County
Explore the daily rainfall trends and prepare for Philadelphia Countys December weather 💧
Typically, Philadelphia County has 9 rainy days in December with a total of 155.5 mm of rainfall.
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