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Weather in Santa Ana, California for December 2026

Your guide to Santa Ana weather in December - trends and predictions

    Temperatures

  • In general, the average temperature in Santa Ana at the beginning of December is 20.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.1 °C by the end of December.

    • Rain 🌧️

  • With an average of 4 rainy days, Santa Ana experiences minimal rainfall in December.

    • More

  • Is December a good time to visit Santa Ana? check out the best time to travel to Santa Ana page.

  • ✨ Is December a good time to visit Santa Ana? – Ask the AI Weatherman

Average dry days
27
Dry days
Average rainy days
4
Rainy days
Average snowy days
0
Snow days
Average temperatures
20°/10°
Temperatures
Average wind speed
11 km/h
Avg max wind
Average humidity
58 %
Avg humidity

Santa Ana Weather December

Move between months or click on a day
November
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Overcast
20°
2
Sunny
18°
3
Sunny
19°
4
Overcast
20°
5
Sunny
22°
6
Sunny
22°
7
Cloudy
21°
8
Partly cloudy
21°
9
Partly cloudy
23°
10
Sunny
24°
11
Overcast
21°
12
Sunny
17°
13
Sunny
19°
14
Overcast
20°
15
Sunny
22°
16
Sunny
22°
17
Partly cloudy
21°
18
Patchy rain possible
23°
19
Light rain
21°
20
Light rain
18°
21
Light rain
18°
22
Patchy rain possible
18°
23
Mist
18°
24
Heavy rain
18°
25
Patchy rain possible
20°
26
Moderate rain
19°
27
Patchy rain possible
15°
28
Overcast
18°
29
Partly cloudy
16°
30
Light rain
16°
31
Moderate rain
16°

Temperatures trend during December in Santa Ana

See the weather trend as well as the moving average line

December weather in Santa Ana day by day

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
Dec. 1 Overcast
Overcast
 20° /9° 0 mm 3.1
Dec. 2 Sunny
Sunny
 18° /8° 0 mm 3.1
Dec. 3 Sunny
Sunny
 19° /9° 0 mm 3
Dec. 4 Overcast
Overcast
 20° /8° 0 mm 3
Dec. 5 Sunny
Sunny
 22° /9° 0 mm 3
Dec. 6 Sunny
Sunny
 22° /10° 0 mm 3
Dec. 7 Cloudy
Cloudy
 21° /9° 0 mm 3
Dec. 8 Partly cloudy
Partly cloudy
 21° /8° 0 mm 2.9
Dec. 9 Partly cloudy
Partly cloudy
 23° /9° 0 mm 2.9
Dec. 10 Sunny
Sunny
 24° /9° 0 mm 2.9
Dec. 11 Overcast
Overcast
 21° /11° 0 mm 2.9
Dec. 12 Sunny
Sunny
 17° /10° 0 mm 2.9
Dec. 13 Sunny
Sunny
 19° /9° 0 mm 2.9
Dec. 14 Overcast
Overcast
 20° /12° 0 mm 2.9
Dec. 15 Sunny
Sunny
 22° /11° 0 mm 2.9
Dec. 16 Sunny
Sunny
 22° /11° 0 mm 2.9
Dec. 17 Partly cloudy
Partly cloudy
 21° /12° 0 mm 2.8
Dec. 18 Patchy rain possible
Patchy rain possible
 23° /13° 0 mm 2.8
Dec. 19 Light rain
Light rain
 21° /13° 3.8 mm 2.8
Dec. 20 Light rain
Light rain
 18° /12° 3.5 mm 2.8
Dec. 21 Light rain
Light rain
 18° /12° 2.7 mm 2.8
Dec. 22 Patchy rain possible
Patchy rain possible
 18° /11° 1.8 mm 2.8
Dec. 23 Mist
Mist
 18° /11° 0 mm 2.8
Dec. 24 Heavy rain
Heavy rain
 18° /12° 25.5 mm 2.8
Dec. 25 Patchy rain possible
Patchy rain possible
 20° /12° 1.7 mm 2.8
Dec. 26 Moderate rain
Moderate rain
 19° /12° 10.4 mm 2.9
Dec. 27 Patchy rain possible
Patchy rain possible
 15° /10° 1.1 mm 2.9
Dec. 28 Overcast
Overcast
 18° /9° 0.6 mm 2.9
Dec. 29 Partly cloudy
Partly cloudy
 16° /10° 0.1 mm 2.9
Dec. 30 Light rain
Light rain
 16° /10° 3.4 mm 2.9
Dec. 31 Moderate rain
Moderate rain
 16° /11° 12.4 mm 2.9
Next
Important Notice
Our weather forecast for Santa Ana 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 Santa Ana forecast closer to your planned date for the most up-to-date weather information.
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Santa Ana in December - FAQ

What are the expected maximum and minimum temperatures in Santa Ana during December?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Santa Ana during December?
Moderate rainfall is anticipated in Santa Ana during December, with a total of 67 mm spread over approximately 4 days. Considering plans for rainy days is advisable.

What are the typical wind conditions in Santa Ana during December?
The average wind speed in Santa Ana during December is 11 km/h, suggesting breezy to windy conditions, depending on your activities.

December rainfall patterns in Santa Ana

Explore the daily rainfall trends and prepare for Santa Anas December weather 💧
Typically, Santa Ana has 4 rainy days in December with a total of 67 mm of rainfall.

UV exposure in Santa Ana during December

Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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Location coordinates Where is Santa Ana?

Get accurate weather forecasts for Santa Ana, located at latitude 33.746 and longitude -117.868. Stay updated with localized weather information tailored for Santa Ana.

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