Lehigh County (Allentown)
December
Weather in Lehigh County, Pennsylvania for December 2026
Your guide to Lehigh County weather in December - trends and predictions
Lehigh County typically experiences moderate snowfall in December, with an average of 6 snowy days.
Is December a good time to visit Lehigh County? check out the best time to travel to Lehigh County page.
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Snow Forecast ❄️
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19
Dry days
6
Rainy days
6
Snow days
2°/-3°
Temperatures
19 km/h
Avg max wind
78 %
Avg humidity
Lehigh County Weather December
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Temperatures trend during December in Lehigh County
See the weather trend as well as the moving average line
December weather in Lehigh County day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Dec. 1 |  Overcast | 2° /-4° | 0 mm | 0 cm | |
| Dec. 2 |  Light snow | 2° /-3° | 61.6 mm | 1.2 cm | |
| Dec. 3 |  Patchy rain possible | 4° /-4° | 0.1 mm | 0 cm | |
| Dec. 4 | Overcast | 3° /-5° | 0.1 mm | 0 cm | |
| Dec. 5 |  Light freezing rain | 0° /-4° | 1 mm | 0 cm | |
| Dec. 6 | Overcast | 1° /-4° | 0 mm | 0 cm | |
| Dec. 7 |  Sunny | 3° /-3° | 0 mm | 0 cm | |
| Dec. 8 | Overcast | 4° /-3° | 0 mm | 0 cm | |
| Dec. 9 |  Moderate or heavy rain shower | 2° /-5° | 8.2 mm | 0 cm | |
| Dec. 10 |  Light rain | 5° /1° | 4.8 mm | 1.3 cm | |
| Dec. 11 |  Moderate rain | 7° /1° | 19.8 mm | 0 cm | |
| Dec. 12 | Sunny | 1° /-4° | 0 mm | 0 cm | |
| Dec. 13 | Sunny | 1° /-5° | 0 mm | 0 cm | |
| Dec. 14 | Light snow | 1° /-6° | 3.2 mm | 1.3 cm | |
| Dec. 15 | Light freezing rain | -1° /-7° | 1.6 mm | 1 cm | |
| Dec. 16 | Moderate rain | 4° /-3° | 11.5 mm | 1 cm | |
| Dec. 17 | Light rain | 7° /-1° | 9.5 mm | 0 cm | |
| Dec. 18 | Light rain | 5° /-4° | 4.4 mm | 0 cm | |
| Dec. 19 |  Heavy rain | 7° /-2° | 25.8 mm | 0.4 cm | |
| Dec. 20 | Light freezing rain | 1° /-3° | 1.5 mm | 0 cm | |
| Dec. 21 | Light freezing rain | 2° /-5° | 0.7 mm | 0 cm | |
| Dec. 22 | Sunny | -3° /-8° | 0 mm | 0 cm | |
| Dec. 23 | Light snow | -2° /-6° | 2.4 mm | 0.7 cm | |
| Dec. 24 | Patchy rain possible | 4° /-3° | 0.6 mm | 0.2 cm | |
| Dec. 25 |  Cloudy | 1° /-2° | 0 mm | 0 cm | |
| Dec. 26 | Light snow | -2° /-6° | 2.4 mm | 1.7 cm | |
| Dec. 27 |  Heavy snow | 1° /-4° | 14.6 mm | 10.5 cm | |
| Dec. 28 | Light snow | 3° /-3° | 16.7 mm | 3 cm | |
| Dec. 29 |  Heavy rain at times | 9° /-1° | 9.6 mm | 0 cm | |
| Dec. 30 | Moderate rain | 5° /-1° | 17.7 mm | 0 cm | |
| Dec. 31 |  Freezing fog | 2° /-4° | 0 mm | 0 cm | |
| Next | |||||
Important Notice
Our weather forecast for Lehigh 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 Lehigh County forecast closer to your planned date for the most up-to-date weather information.
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Lehigh County in December - FAQ
What are the expected maximum and minimum temperatures in Lehigh 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 Lehigh County during December?
Significant rainfall exceeding 217.7 mm is expected in Lehigh County during December, occurring over more than 6 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Lehigh County in December 2026?
Lehigh County experiences an average snowfall of 22.3 cm during December, occurring over 6 days.
What are the typical wind conditions in Lehigh County during December?
The average wind speed in Lehigh County during December is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
Lehigh County snow forecast December 2026
Track daily snowfall levels and discover Lehigh County’s snowy potential this December ❄️
On average, Lehigh County sees 6 snowy days during December, with approximately 22.3 cm of total snowfall.
December rainfall patterns in Lehigh County
Explore the daily rainfall trends and prepare for Lehigh Countys December weather 💧
Typically, Lehigh County has 6 rainy days in December with a total of 217.7 mm of rainfall.
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