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Weather in San Diego County for December 2024

Your guide to San Diego County weather in December - trends and predictions
  • In general, the average temperature in San Diego County at the beginning of December is 18.9 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 17.3 °F by the end of December.

  • With an average of 5 rainy days, San Diego County experiences minimal rainfall in December, ensuring that most days remain pleasantly dry.

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Average dry days
26
Dry days
Average rainy days
5
Rainy days
Average snowy days
0
Snow days
Average temperatures
19°/13°
Temperatures
Average wind speed
13 km/h
Avg max wind
Average humidity
58 %
Avg humidity

San Diego County in December average weather

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Temperatures trend during December in San Diego County

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 Overcast
Overcast
16° /11° 0 mm 4
Dec. 2 Overcast
Overcast
18° /9° 0 mm 4
Dec. 3 Sunny
Sunny
19° /9° 0 mm 5
Dec. 4 Overcast
Overcast
19° /10° 0 mm 4
Dec. 5 Partly cloudy
Partly cloudy
22° /11° 0 mm 6
Dec. 6 Partly cloudy
Partly cloudy
21° /12° 0 mm 6
Dec. 7 Overcast
Overcast
17° /11° 0 mm 4
Dec. 8 Sunny
Sunny
17° /9° 0 mm 5
Dec. 9 Partly cloudy
Partly cloudy
20° /10° 0 mm 6
Dec. 10 Sunny
Sunny
22° /11° 0 mm 6
Dec. 11 Overcast
Overcast
19° /15° 0 mm 4
Dec. 12 Sunny
Sunny
17° /14° 0 mm 5
Dec. 13 Sunny
Sunny
18° /13° 0 mm 5
Dec. 14 Partly cloudy
Partly cloudy
20° /15° 0 mm 6
Dec. 15 Sunny
Sunny
21° /15° 0 mm 6
Dec. 16 Sunny
Sunny
21° /16° 0 mm 6
Dec. 17 Overcast
Overcast
21° /16° 0 mm 5
Dec. 18 Partly cloudy
Partly cloudy
20° /16° 0 mm 6
Dec. 19 Patchy rain possible
Patchy rain possible
18° /16° 1.8 mm 4
Dec. 20 Patchy light drizzle
Patchy light drizzle
18° /15° 2.9 mm 4
Dec. 21 Patchy rain possible
Patchy rain possible
19° /16° 1.9 mm 4
Dec. 22 Cloudy
Cloudy
18° /12° 7.6 mm 4
Dec. 23 Sunny
Sunny
18° /12° 0 mm 5
Dec. 24 Sunny
Sunny
19° /12° 0.2 mm 5
Dec. 25 Partly cloudy
Partly cloudy
21° /13° 0 mm 6
Dec. 26 Cloudy
Cloudy
19° /13° 0 mm 5
Dec. 27 Cloudy
Cloudy
16° /13° 1.5 mm 4
Dec. 28 Patchy rain possible
Patchy rain possible
18° /13° 4.4 mm 4
Dec. 29 Overcast
Overcast
17° /13° 0.1 mm 4
Dec. 30 Patchy rain possible
Patchy rain possible
15° /13° 2.7 mm 4
Dec. 31 Patchy rain possible
Patchy rain possible
15° /13° 2.4 mm 4
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Important Notice
Our weather forecast for San Diego County 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 County forecast closer to your planned date for the most up-to-date weather information.

San Diego County in December - FAQ

What are the expected maximum and minimum temperatures in San Diego County 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 County during December?
In December, San Diego County 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 County during December?
The average wind speed in San Diego County during December is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
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Location coordinates Where is San Diego County?

Get accurate weather forecasts for San Diego County, located at latitude 32.716 and longitude -117.165. Stay updated with localized weather information tailored for San Diego County.

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