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United States weather

Weather in Lancaster County, Pennsylvania for December 2026

Your guide to Lancaster County weather in December - trends and predictions

    Snow Forecast ❄️

  • Lancaster County typically experiences moderate snowfall in December, with an average of 7 snowy days.

    • Temperatures

  • In general, the average temperature in Lancaster County at the beginning of December is 2.3 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 4.6 °C by the end of December.

    • More

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

Average dry days
14
Dry days
Average rainy days
10
Rainy days
Average snowy days
7
Snow days
Average temperatures
3°/-3°
Temperatures
Average wind speed
23 km/h
Avg max wind
Average humidity
74 %
Avg humidity

Lancaster County Weather December

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

Temperatures trend during December in Lancaster County

See the weather trend as well as the moving average line

December weather in Lancaster County day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
Dec. 1 Overcast
Overcast
 3° /-4° 0 mm 0 cm
Dec. 2 Sunny
Sunny
 3° /-3° 57.5 mm 2.3 cm
Dec. 3 Cloudy
Cloudy
 3° /-3° 0 mm 0 cm
Dec. 4 Cloudy
Cloudy
 3° /-5° 0 mm 0 cm
Dec. 5 Patchy rain possible
Patchy rain possible
 1° /-5° 0.2 mm 0 cm
Dec. 6 Overcast
Overcast
 1° /-3° 0 mm 0 cm
Dec. 7 Partly cloudy
Partly cloudy
 2° /-2° 0 mm 0 cm
Dec. 8 Overcast
Overcast
 5° /-3° 0 mm 0 cm
Dec. 9 Moderate or heavy rain shower
Moderate or heavy rain shower
 3° /-5° 4.3 mm 0 cm
Dec. 10 Patchy rain possible
Patchy rain possible
 6° /1° 0.2 mm 0 cm
Dec. 11 Moderate or heavy rain shower
Moderate or heavy rain shower
 5° /-1° 21 mm 0 cm
Dec. 12 Sunny
Sunny
 2° /-3° 0 mm 0 cm
Dec. 13 Cloudy
Cloudy
 3° /-4° 0 mm 0 cm
Dec. 14 Sunny
Sunny
 0° /-6° 2.6 mm 1.1 cm
Dec. 15 Light freezing rain
Light freezing rain
 0° /-7° 2.8 mm 1.7 cm
Dec. 16 Heavy rain at times
Heavy rain at times
 5° /-3° 7.5 mm 0 cm
Dec. 17 Overcast
Overcast
 8° /-1° 4.1 mm 0 cm
Dec. 18 Moderate or heavy rain shower
Moderate or heavy rain shower
 6° /-4° 3 mm 0 cm
Dec. 19 Partly cloudy
Partly cloudy
 8° /-2° 16.9 mm 0 cm
Dec. 20 Light freezing rain
Light freezing rain
 1° /-4° 1.1 mm 0 cm
Dec. 21 Overcast
Overcast
 2° /-4° 0 mm 0 cm
Dec. 22 Sunny
Sunny
 0° /-6° 0 mm 0 cm
Dec. 23 Cloudy
Cloudy
 1° /-5° 0 mm 0 cm
Dec. 24 Light freezing rain
Light freezing rain
 5° /-3° 0.2 mm 0 cm
Dec. 25 Light freezing rain
Light freezing rain
 3° /-2° 2.9 mm 0.8 cm
Dec. 26 Cloudy
Cloudy
 0° /-6° 2.8 mm 2 cm
Dec. 27 Overcast
Overcast
 2° /-3° 5.1 mm 2.8 cm
Dec. 28 Moderate or heavy rain shower
Moderate or heavy rain shower
 4° /-3° 14.5 mm 0.6 cm
Dec. 29 Moderate rain at times
Moderate rain at times
 12° /1° 1.1 mm 0 cm
Dec. 30 Cloudy
Cloudy
 6° /0° 7.9 mm 0 cm
Dec. 31 Mist
Mist
 5° /-2° 1.5 mm 0 cm
Next
Important Notice
Our weather forecast for Lancaster 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 Lancaster County forecast closer to your planned date for the most up-to-date weather information.
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Lancaster County in December - FAQ

What are the expected maximum and minimum temperatures in Lancaster County during December?

Brace for cold days with temperatures not exceeding 3° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.

How much rainfall should be expected in Lancaster County during December?

Significant rainfall exceeding 157.4 mm is expected in Lancaster County during December, occurring over more than 10 days. Preparing for wet conditions is recommended in your planning.

Will it snow in Lancaster County in December 2026?

Lancaster County experiences an average snowfall of 11.425 cm during December, occurring over 7 days.

What are the typical wind conditions in Lancaster County during December?

The average wind speed in Lancaster County during December is 23 km/h, suggesting breezy to windy conditions, depending on your activities.

Lancaster County snow forecast December 2026

Track daily snowfall levels and discover Lancaster County’s snowy potential this December ❄️
On average, Lancaster County sees 7 snowy days during December, with approximately 11.4 cm of total snowfall.

December rainfall patterns in Lancaster County

Explore the daily rainfall trends and prepare for Lancaster Countys December weather 💧
Typically, Lancaster County has 10 rainy days in December with a total of 157.4 mm of rainfall.
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Location coordinates Where is Lancaster County?

Get accurate weather forecasts for Lancaster County, located at latitude 40.038 and longitude -76.306. Stay updated with localized weather information tailored for Lancaster County.

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