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United States weather

Weather in Seal Beach, California for December 2026

Your guide to Seal Beach weather in December - trends and predictions

    Temperatures

  • In general, the average temperature in Seal Beach at the beginning of December is 17.1 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 16.1 °C by the end of December.

    • Rain 🌧️

  • With an average of 4 rainy days, Seal Beach experiences minimal rainfall in December.

    • More

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Average dry days
27
Dry days
Average rainy days
4
Rainy days
Average snowy days
0
Snow days
Average temperatures
17°/11°
Temperatures
Average wind speed
13 km/h
Avg max wind
Average humidity
77 %
Avg humidity

Seal Beach Weather December

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

Temperatures trend during December in Seal Beach

See the weather trend as well as the moving average line

December weather in Seal Beach day by day

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
Dec. 1 Cloudy
Cloudy
 19° /9° 0 mm 5
Dec. 2 Mist
Mist
 15° /10° 0 mm 4
Dec. 3 Mist
Mist
 15° /11° 0 mm 4
Dec. 4 Mist
Mist
 17° /9° 0 mm 5
Dec. 5 Cloudy
Cloudy
 18° /9° 0 mm 5
Dec. 6 Partly cloudy
Partly cloudy
 19° /10° 0 mm 6
Dec. 7 Partly cloudy
Partly cloudy
 17° /9° 0 mm 5
Dec. 8 Mist
Mist
 18° /9° 0 mm 4
Dec. 9 Mist
Mist
 23° /11° 0 mm 6
Dec. 10 Sunny
Sunny
 22° /12° 0 mm 6
Dec. 11 Overcast
Overcast
 18° /10° 0 mm 4
Dec. 12 Mist
Mist
 15° /10° 0 mm 4
Dec. 13 Sunny
Sunny
 16° /10° 0 mm 5
Dec. 14 Overcast
Overcast
 16° /11° 0 mm 4
Dec. 15 Cloudy
Cloudy
 20° /12° 0 mm 5
Dec. 16 Overcast
Overcast
 18° /10° 0 mm 4
Dec. 17 Mist
Mist
 15° /11° 0 mm 4
Dec. 18 Sunny
Sunny
 22° /11° 0 mm 6
Dec. 19 Overcast
Overcast
 17° /12° 0 mm 4
Dec. 20 Mist
Mist
 15° /10° 0 mm 2
Dec. 21 Mist
Mist
 15° /11° 0 mm 2
Dec. 22 Mist
Mist
 16° /11° 0 mm 2
Dec. 23 Overcast
Overcast
 15° /13° 0 mm 2
Dec. 24 Mist
Mist
 16° /13° 50.4 mm 2
Dec. 25 Sunny
Sunny
 16° /12° 3 mm 3
Dec. 26 Overcast
Overcast
 17° /12° 37.6 mm 2
Dec. 27 Mist
Mist
 15° /10° 0 mm 2
Dec. 28 Partly cloudy
Partly cloudy
 17° /9° 0 mm 3
Dec. 29 Mist
Mist
 14° /9° 0 mm 2
Dec. 30 Mist
Mist
 16° /9° 0 mm 3
Dec. 31 Mist
Mist
 18° /11° 17.6 mm 2
Next
Important Notice
Our weather forecast for Seal Beach 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 Seal Beach forecast closer to your planned date for the most up-to-date weather information.
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Seal Beach in December - FAQ

What are the expected maximum and minimum temperatures in Seal Beach 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 Seal Beach during December?

Significant rainfall exceeding 108.7 mm is expected in Seal Beach during December, occurring over more than 4 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Seal Beach during December?

The average wind speed in Seal Beach during December is 13 km/h, suggesting breezy to windy conditions, depending on your activities.

December rainfall patterns in Seal Beach

Explore the daily rainfall trends and prepare for Seal Beachs December weather 💧
Typically, Seal Beach has 4 rainy days in December with a total of 108.7 mm of rainfall.

UV exposure in Seal Beach during December

Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️

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Location coordinates Where is Seal Beach?

Get accurate weather forecasts for Seal Beach, located at latitude 33.741 and longitude -118.105. Stay updated with localized weather information tailored for Seal Beach.

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