San Diego
December
Weather in San Diego for December 2024
Your guide to San Diego weather in December - trends and predictions
The forecast for the first days of December 2024 in San Diego predicts a temperature of 17.2 °F, which is slightly above the historical average.
In general, the average temperature in San Diego at the beginning of December is 17.7 °F. As the month progressed, temperatures tended to slightly decrease, reaching an average of 17.3 °F by the end of December.
With an average of 5 rainy days, San Diego experiences minimal rainfall in December.
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26
Dry days
5
Rainy days
0
Snow days
19°/13°
Temperatures
13 km/h
Avg max wind
58 %
Avg humidity
San Diego in December average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  16° | ||||||
| 2 15° | 3 14° | 4  19° | 5  22° | 6 21° | 7 17° | 8  17° |
| 9 20° | 10 22° | 11 19° | 12 17° | 13 18° | 14 20° | 15 21° |
| 16 21° | 17 21° | 18 20° | 19 18° | 20  18° | 21 19° | 22  18° |
| 23 18° | 24 19° | 25 21° | 26 19° | 27 16° | 28 18° | 29 17° |
| 30 15° | 31 15° |
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Temperatures trend during December in San Diego
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 | Patchy rain possible | 16° /13° | 0.1 mm | 3 | |
| Dec. 2 | Patchy rain possible | 15° /13° | 0.2 mm | 3 | |
| Dec. 3 | Patchy rain possible | 14° /13° | 0.1 mm | 3 | |
| Dec. 4 | Overcast | 19° /10° | 0 mm | 4 | |
| Dec. 5 | Partly cloudy | 22° /11° | 0 mm | 6 | |
| Dec. 6 | Partly cloudy | 21° /12° | 0 mm | 6 | |
| Dec. 7 | Overcast | 17° /11° | 0 mm | 4 | |
| Dec. 8 | Sunny | 17° /9° | 0 mm | 5 | |
| Dec. 9 | Partly cloudy | 20° /10° | 0 mm | 6 | |
| Dec. 10 | Sunny | 22° /11° | 0 mm | 6 | |
| Dec. 11 | Overcast | 19° /15° | 0 mm | 4 | |
| Dec. 12 | Sunny | 17° /14° | 0 mm | 5 | |
| Dec. 13 | Sunny | 18° /13° | 0 mm | 5 | |
| Dec. 14 | Partly cloudy | 20° /15° | 0 mm | 6 | |
| Dec. 15 | Sunny | 21° /15° | 0 mm | 6 | |
| Dec. 16 | Sunny | 21° /16° | 0 mm | 6 | |
| Dec. 17 | Overcast | 21° /16° | 0 mm | 5 | |
| Dec. 18 | Partly cloudy | 20° /16° | 0 mm | 6 | |
| Dec. 19 | Patchy rain possible | 18° /16° | 1.8 mm | 4 | |
| Dec. 20 | Patchy light drizzle | 18° /15° | 2.9 mm | 4 | |
| Dec. 21 | Patchy rain possible | 19° /16° | 1.9 mm | 4 | |
| Dec. 22 | Cloudy | 18° /12° | 7.6 mm | 4 | |
| Dec. 23 | Sunny | 18° /12° | 0 mm | 5 | |
| Dec. 24 | Sunny | 19° /12° | 0.2 mm | 5 | |
| Dec. 25 | Partly cloudy | 21° /13° | 0 mm | 6 | |
| Dec. 26 | Cloudy | 19° /13° | 0 mm | 5 | |
| Dec. 27 | Cloudy | 16° /13° | 1.5 mm | 4 | |
| Dec. 28 | Patchy rain possible | 18° /13° | 4.4 mm | 4 | |
| Dec. 29 | Overcast | 17° /13° | 0.1 mm | 4 | |
| Dec. 30 | Patchy rain possible | 15° /13° | 2.7 mm | 4 | |
| Dec. 31 | Patchy rain possible | 15° /13° | 2.4 mm | 4 | |
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Important Notice
Our weather forecast for San Diego 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 San Diego forecast closer to your planned date for the most up-to-date weather information.
San Diego in December - FAQ
What are the expected maximum and minimum temperatures in San Diego during December?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in San Diego during December?
In December, San Diego can expect light to moderate rainfall, totaling 44.5 mm across approximately 5 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in San Diego during December?
The average wind speed in San Diego during December is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in San Diego
Explore the daily rainfall trends and prepare for San Diegos December weather 💧
UV exposure in San Diego during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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