The BLVD in downtown Lancaster

Weather · December

Lancaster weather in December

Average highs of 58°F, lows of 30°F and 1.1 in of rain, from 30 years of weather records.

December is Lancaster’s coldest month, with average highs of 58°F and lows of 30°F. That is 9° cooler than November, and 19° below the yearly average high.

Average high
58°F
Average low
30°F
Precipitation
1.1 in
Wet days
4
Sunrise · sunset
6:52 AM · 4:43 PM

December across the year

  1. 59°31°Jan
  2. 62°35°Feb
  3. 67°40°Mar
  4. 73°45°Apr
  5. 82°53°May
  6. 91°62°Jun
  7. 98°67°Jul
  8. 98°65°Aug
  9. 91°57°Sep
  10. 80°46°Oct
  11. 67°35°Nov
  12. 58°30°Dec

High and low Rain

What to wear in December

  • Cool days: a warm jacket and long pants, plus layers for the swing between morning and afternoon.
  • Freezing nights: expect frost on cars in the morning.

December is good for

What’s on in Lancaster in December

See all upcoming events and school days off.

Around Lancaster

Eschscholzia californica, Lancaster
Eschscholzia californica 7679Walter Siegmund (talk) · CC BY-SA 4.0
'Skyrockets in Flight' (Douglas D-558-2 Skyrocket (NACA 145 - 37975)), Lancaster
'Skyrockets in Flight' (Douglas D-558-2 Skyrocket (NACA 145 - 37975)) (27438601770)Alan Wilson from Stilton, Peterborough, Cambs, UK · CC BY-SA 2.0
Desert Sunset, Lancaster
Desert Sunset (16224121608)Rennett Stowe from USA · CC BY 2.0

See Lancaster

A look around town before you go.

An Antelope Valley driving film video thumbnail

A DRIVE AROUND TOWN

An Antelope Valley driving film

This recorded regional tour includes both Lancaster and Palmdale. It is a look at Antelope Valley roads, not a city-only route or a live traffic feed.

Watch on YouTube ↗

December compared with the months around it

MonthHighLowRain
November67°F35°F0.40 in
December58°F30°F1.1 in
January59°F31°F1.5 in

Planning a trip? See the best time to visit Lancaster and today’s forecast.

Questions

How hot does it get in Lancaster in December?

Average highs are 58°F and average lows 30°F, for a daily mean of 44°F. Individual days run hotter or colder than these 30-year averages.

Does it rain in Lancaster in December?

December averages 1.1 in of precipitation over about 4 days with at least 0.01 in. It is the 3rd wettest month of the year.

What time is sunset in Lancaster in December?

Around mid-December the sun rises about 6:52 AM and sets about 4:43 PM, for roughly 9.8 hours of daylight.

Is December a good time to visit Lancaster?

The mildest months for visiting are April, May, October. December is cool, with Christmas lights and New Year’s Eve events.

NOAA U.S. Climate Normals 1991–2020, Lancaster Wm J Fox Fld station (5 mi from downtown). Sunrise and sunset are calculated for December 15 at the city’s coordinates.

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