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Weather in Lancaster for December 2025

Your guide to Lancaster weather in December - trends and predictions

    Temperatures

  • In general, the average temperature in Lancaster at the beginning of December is 17.9 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 14.6 °F by the end of December.

    • Rain 🌧️

  • Lancaster experiences moderate rainfall in December, with an average of 7 rainy days and a total precipitation of 20.5 mm.

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Average dry days
24
Dry days
Average rainy days
7
Rainy days
Average snowy days
0
Snow days
Average temperatures
15°/5°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
49 %
Avg humidity

Lancaster in December average weather

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

See the weather trend as well as the moving average line

December weather day by day

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
Dec. 1 Cloudy
Cloudy
 16° /2° 0 mm 5
Dec. 2 Cloudy
Cloudy
 17° /1° 0 mm 4
Dec. 3 Mist
Mist
 16° /3° 0 mm 4
Dec. 4 Overcast
Overcast
 19° /4° 0 mm 5
Dec. 5 Sunny
Sunny
 20° /4° 0 mm 6
Dec. 6 Partly cloudy
Partly cloudy
 21° /4° 0 mm 6
Dec. 7 Partly cloudy
Partly cloudy
 16° /2° 0 mm 5
Dec. 8 Mist
Mist
 15° /2° 0 mm 4
Dec. 9 Sunny
Sunny
 14° /-1° 0 mm 5
Dec. 10 Sunny
Sunny
 14° /-4° 0 mm 5
Dec. 11 Overcast
Overcast
 15° /1° 0 mm 4
Dec. 12 Sunny
Sunny
 14° /2° 0 mm 4
Dec. 13 Sunny
Sunny
 14° /1° 0 mm 4
Dec. 14 Overcast
Overcast
 15° /3° 0 mm 4
Dec. 15 Sunny
Sunny
 15° /2° 0 mm 4
Dec. 16 Sunny
Sunny
 16° /1° 0 mm 5
Dec. 17 Overcast
Overcast
 17° /4° 0 mm 5
Dec. 18 Light rain
Light rain
 18° /5° 0.6 mm 5
Dec. 19 Light drizzle
Light drizzle
 14° /6° 0.6 mm 4
Dec. 20 Light rain shower
Light rain shower
 16° /6° 1.1 mm 4
Dec. 21 Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 17° /6° 2.8 mm 4
Dec. 22 Light rain
Light rain
 15° /7° 1.8 mm 4
Dec. 23 Sunny
Sunny
 16° /5° 0 mm 5
Dec. 24 Partly cloudy
Partly cloudy
 13° /3° 0 mm 4
Dec. 25 Partly cloudy
Partly cloudy
 13° /3° 0 mm 4
Dec. 26 Partly cloudy
Partly cloudy
 15° /4° 0 mm 4
Dec. 27 Overcast
Overcast
 16° /6° 0 mm 5
Dec. 28 Overcast
Overcast
 15° /3° 0 mm 4
Dec. 29 Overcast
Overcast
 18° /5° 0 mm 4
Dec. 30 Patchy rain possible
Patchy rain possible
 13° /4° 1.7 mm 4
Dec. 31 Light rain shower
Light rain shower
 12° /1° 1.7 mm 3
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Important Notice
Our weather forecast for Lancaster 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 forecast closer to your planned date for the most up-to-date weather information.

Lancaster in December - FAQ

What are the expected maximum and minimum temperatures in Lancaster during December?
During December, expect a variety of temperatures with highs around 15° and lows near 5°, suitable for diverse activities and preferences.
How much rainfall should be expected in Lancaster during December?
In December, Lancaster can expect light to moderate rainfall, totaling 20.5 mm across approximately 7 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Lancaster during December?
The average wind speed in Lancaster during December is 15 km/h, suggesting breezy to windy conditions, depending on your activities.

December rainfall patterns in Lancaster

Explore the daily rainfall trends and prepare for Lancasters December weather 💧

UV exposure in Lancaster during December

Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️

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Location coordinates Where is Lancaster?

Get accurate weather forecasts for Lancaster, located at latitude 34.698 and longitude -118.137. Stay updated with localized weather information tailored for Lancaster.

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