Carlsbad (CA)
December
Weather in Carlsbad, California for December 2026
Your guide to Carlsbad weather in December - trends and predictions
In general, the average temperature in Carlsbad at the beginning of December is 17.1 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 15.9 °F by the end of December.
Carlsbad experiences moderate rainfall in December, with an average of 6 rainy days and a total precipitation of 140 mm.
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Temperatures
Rain 🌧️
More
25
Dry days
6
Rainy days
0
Snow days
17°/11°
Temperatures
13 km/h
Avg max wind
75 %
Avg humidity
Carlsbad Weather December
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Temperatures trend during December in Carlsbad
See the weather trend as well as the moving average line
December weather in Carlsbad day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 |  Sunny | 21° /9° | 0 mm | 1 | |
| Dec. 2 |  Partly cloudy | 15° /7° | 0 mm | 1 | |
| Dec. 3 |  Mist | 16° /11° | 0 mm | 1 | |
| Dec. 4 |  Cloudy | 18° /7° | 0 mm | 1 | |
| Dec. 5 | Sunny | 18° /6° | 0 mm | 1 | |
| Dec. 6 | Partly cloudy | 16° /12° | 0 mm | 1 | |
| Dec. 7 | Partly cloudy | 16° /10° | 0 mm | 1 | |
| Dec. 8 | Sunny | 20° /11° | 0 mm | 1 | |
| Dec. 9 | Sunny | 23° /9° | 0 mm | 1 | |
| Dec. 10 | Partly cloudy | 18° /11° | 0 mm | 1 | |
| Dec. 11 | Partly cloudy | 16° /13° | 0 mm | 1 | |
| Dec. 12 | Cloudy | 15° /12° | 0 mm | 1 | |
| Dec. 13 |  Overcast | 17° /12° | 0 mm | 1 | |
| Dec. 14 | Partly cloudy | 17° /13° | 0 mm | 1 | |
| Dec. 15 | Partly cloudy | 18° /12° | 0 mm | 1 | |
| Dec. 16 | Partly cloudy | 17° /12° | 0 mm | 1 | |
| Dec. 17 | Partly cloudy | 16° /12° | 0 mm | 1 | |
| Dec. 18 | Partly cloudy | 21° /11° | 0 mm | 1 | |
| Dec. 19 | Partly cloudy | 17° /13° | 0 mm | 1 | |
| Dec. 20 | Partly cloudy | 16° /12° | 0 mm | 1 | |
| Dec. 21 | Overcast | 17° /12° | 0 mm | 1 | |
| Dec. 22 | Partly cloudy | 16° /12° | 0 mm | 1 | |
| Dec. 23 | Mist | 16° /14° | 0 mm | 0 | |
| Dec. 24 |  Moderate or heavy rain shower | 17° /15° | 79.7 mm | 0 | |
| Dec. 25 | Fog | 17° /16° | 3.6 mm | 0 | |
| Dec. 26 | Overcast | 14° /13° | 2.7 mm | 0 | |
| Dec. 27 | Mist | 13° /10° | 4.3 mm | 1 | |
| Dec. 28 | Partly cloudy | 16° /6° | 0 mm | 1 | |
| Dec. 29 | Overcast | 18° /5° | 0 mm | 1 | |
| Dec. 30 | Moderate or heavy rain shower | 14° /12° | 44.3 mm | 0 | |
| Dec. 31 | Moderate rain at times | 19° /15° | 5.4 mm | 0 | |
| Next | |||||
Important Notice
Our weather forecast for Carlsbad 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 Carlsbad forecast closer to your planned date for the most up-to-date weather information.
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Carlsbad in December - FAQ
What are the expected maximum and minimum temperatures in Carlsbad during December?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Carlsbad during December?
Significant rainfall exceeding 140 mm is expected in Carlsbad during December, occurring over more than 6 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Carlsbad during December?
The average wind speed in Carlsbad during December is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Carlsbad
Explore the daily rainfall trends and prepare for Carlsbads December weather 💧
Typically, Carlsbad has 6 rainy days in December with a total of 140 mm of rainfall.
UV exposure in Carlsbad during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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