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A local activity video shared by Warren Oberholser.
Watch on YouTube ↗
Weather · December
Pleasanton weather in December
Average highs of 58°F, lows of 38°F and 2.8 in of rain, from 30 years of weather records.
December is Pleasanton’s 11th warmest month, with average highs of 58°F and lows of 38°F. That is 8° cooler than November, and 15° below the yearly average high.
- Average high
- 58°F
- Average low
- 38°F
- Precipitation
- 2.8 in
- Wet days
- 10
- Sunrise · sunset
- 7:15 AM · 4:50 PM
December across the year
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.
December is good for
What’s on in Pleasanton in December
- Dublin Holiday Tree Lighting and Tree LaneThursday, December 3 · 6:00-8:00 p.m. · Dublin Civic Center, Dublin
- Magical Holiday EveningFriday, December 4 · 4:00-7:00 p.m. · Lions Wayside Park, Downtown Pleasanton
- Holidays in the VineyardsDecember 5 – December 6 · Noon-4:30 p.m. · Participating wineries, Livermore Valley
- Hometown Holiday CelebrationSaturday, December 5 · Parade 5:00 p.m.; tree lighting follows · Main Street, Downtown Pleasanton; tree lighting in front of the Museum on Main
- Livermore Holiday Sights & Sounds Parade and Tree LightingSaturday, December 5 · Parade 6:00 p.m.; tree lighting follows · First Street, Downtown Livermore
- Mads Tolling's Cool Yule: A Nordic Holiday CelebrationFriday, December 11 · 7:30 p.m. · Firehouse Arts Center, Downtown Pleasanton
- Spirit & Sweater StrollSaturday, December 12 · 5:00-8:00 p.m. · Downtown Pleasanton host businesses
- The Golden Follies: A Very Follies HolidaySaturday, December 12 · 2:00 p.m. · Firehouse Arts Center, Downtown Pleasanton
- Valley Dance Theatre's The NutcrackerDecember 12 – December 20 · 2:00 and 7:00 p.m. (see schedule) · Bankhead Theater, Downtown Livermore
See all upcoming events.
Around Pleasanton
See Pleasanton
A look around town before you go.
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Watch on YouTube ↗December compared with the months around it
Planning a trip? See the best time to visit Pleasanton and today’s forecast.
Questions
How hot does it get in Pleasanton in December?
Average highs are 58°F and average lows 38°F, for a daily mean of 48°F. Individual days run hotter or colder than these 30-year averages.
Does it rain in Pleasanton in December?
December averages 2.8 in of precipitation over about 10 days with at least 0.01 in. It is the 3rd wettest month of the year.
What time is sunset in Pleasanton in December?
Around mid-December the sun rises about 7:15 AM and sets about 4:50 PM, for roughly 9.6 hours of daylight.
Is December a good time to visit Pleasanton?
The mildest months for visiting are May, June, October. December is cool, with Christmas lights and New Year’s Eve events.
NOAA U.S. Climate Normals 1991–2020, Livermore Muni Ap station (3.8 mi from downtown). Sunrise and sunset are calculated for December 15 at the city’s coordinates.