easeweather.com
Lancaster County (Lancaster)
Akron (OH)Albuquerque (NM)Alexandria (VA)Anaheim (CA)Anchorage (AK)Arlington (VA)Asheville (NC)Atlanta (GA)Atlantic City (NJ)Austin (TX)Baltimore (MD)Baton Rouge (LA)Birmingham (AL)Boston (MA)Brooklyn (NY)Buffalo (NY)Cape Coral (FL)Charlotte (NC)Chattanooga (TN)Chicago (IL)Cincinnati (OH)Cleveland (OH)Colorado Springs (CO)Columbus (OH)Corpus Christi (TX)Dallas (TX)Dayton (OH)Denver (CO)Des Moines (IA)Detroit (MI)El Paso (TX)Fairbanks (AK)Fort Lauderdale (FL)Fort Wayne (IN)Fort Worth (TX)Gatlinburg (TN)Grand Rapids (MI)Harrisburg (PA)Honolulu (HI)Houston (TX)Huntsville (AL)Indianapolis (IN)Jackson (MS)Jacksonville (FL)Juneau (AK)Kansas City (MO)Ketchikan (AK)Key West (FL)Knoxville (TN)Lancaster (PA)Las Vegas (NV)Lexington (KY)Lincoln (NE)Little Rock (AR)Los Angeles (CA)Louisville (KY)Madison (WI)Manhattan (NY)Memphis (TN)Miami (FL)Milwaukee (WI)Minneapolis (MN)Mobile (AL)Montgomery (AL)Nashville (TN)New Orleans (LA)New York City (NY)Newark (NJ)Norfolk (VA)Oklahoma City (OK)Omaha (NE)Orlando (FL)Philadelphia (PA)Phoenix (AZ)Pittsburgh (PA)Portland (OR)Richmond (VA)Riverside (CA)Sacramento (CA)Salt Lake City (UT)San Antonio (TX)San Diego (CA)San Francisco (CA)San Jose (CA)Savannah (GA)Seattle (WA)Skagway (AK)Springfield (MO)St. Louis (MO)St. Petersburg (FL)Tallahassee (FL)Tampa (FL)Toledo (OH)Traverse City (MI)Tulsa (OK)Tyler (TX)Vancouver (WA)Virginia Beach (VA)WashingtonWichita (KS)Winston-Salem (NC) More Locations
United States weather

Weather in Lancaster County, Pennsylvania for December 2025

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

    Snow Forecast ❄️

  • With an average of 2 snowy days, Lancaster County usually enjoys a light touch of snow in December.
    According to Lancaster County snow forecast for December 2025, no snow is expected until the end of the month.

    • Temperatures

  • Until now, December 2025 in Lancaster County is slightly cooler than the historical average by -1.5 °F.

  • The forecast for the upcoming days in Lancaster County predicts a temperature of 6.1 °F, which is slightly above the historical average.

  • In general, the average temperature in Lancaster County at the beginning of December is 2.3 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 7 °F by the end of December.

    • Rain 🌧️

  • Lancaster County experiences moderate rainfall in December, with an average of 9 rainy days and a total precipitation of 139.7 mm.

    • More

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

Average dry days
20
Dry days
Average rainy days
9
Rainy days
Average snowy days
2
Snow days
Average temperatures
4°/-2°
Temperatures
Average wind speed
21 km/h
Avg max wind
Average humidity
75 %
Avg humidity

Lancaster County Weather December

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

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
 6° /2° 15.1 mm 0 cm
Dec. 17 Overcast
Overcast
 7° /-6° 0 mm 0 cm
Dec. 18 Cloudy
Cloudy
 5° /-7° 0 mm 0 cm
Dec. 19 Heavy rain
Heavy rain
 10° /-2° 113 mm 0 cm
Dec. 20 Sunny
Sunny
 4° /-3° 0 mm 0 cm
Dec. 21 Sunny
Sunny
 8° /-2° 0 mm 0 cm
Dec. 22 Sunny
Sunny
 1° /-5° 0 mm 0 cm
Dec. 23 Light freezing rain
Light freezing rain
 2° /-7° 0.1 mm 0 cm
Dec. 24 Overcast
Overcast
 7° /1° 0 mm 0 cm
Dec. 25 Patchy rain possible
Patchy rain possible
 4° /-1° 0.5 mm 0 cm
Dec. 26 Patchy rain possible
Patchy rain possible
 14° /4° 0.2 mm 0 cm
Dec. 27 Moderate rain
Moderate rain
 9° /5° 6.4 mm 0 cm
Dec. 28 Patchy rain possible
Patchy rain possible
 8° /3° 0.2 mm 0 cm
Dec. 29 Sunny
Sunny
 2° /-3° 0 mm 0 cm
Dec. 30 Partly cloudy
Partly cloudy
 4° /-4° 0 mm 0 cm
Dec. 31 Mist
Mist
 8° /1° 3 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.
Change Month
‹
›

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 4° 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 139.7 mm is expected in Lancaster County during December, occurring over more than 9 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Lancaster County in December 2025?
Lancaster County experiences an average snowfall of 4.63 cm during December, occurring over 2 days.
What are the typical wind conditions in Lancaster County during December?
The average wind speed in Lancaster County during December is 21 km/h, suggesting breezy to windy conditions, depending on your activities.

Lancaster County snow forecast December 2025

Track daily snowfall levels and discover Lancaster County’s snowy potential this December ❄️
On average, Lancaster County sees 2 snowy days during December, with approximately 4.6 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 9 rainy days in December with a total of 139.7 mm of rainfall.
Top locations in Lancaster County
Select a location for an accurate weather forecast
LancasterLincoln
More Locations

Quick links

More Lancaster County weather pages
You are here
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.

Found a mistake?
We appreciate your attention to details. Tell us here.