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Weather in Seal Beach for December 2025

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 15.7 °F. As the month progressed, temperatures tended to remain steady, reaching an average of 15.7 °F by the end of December.

    • Rain 🌧️

  • Precipitation in Seal Beach during December is a rare event, with an average of fewer than 2 rainy days.

    • More

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Average dry days
31
Dry days
Average rainy days
0
Rainy days
Average snowy days
0
Snow days
Average temperatures
16°/10°
Temperatures
Average wind speed
13 km/h
Avg max wind
Average humidity
73 %
Avg humidity

Seal Beach Weather December

Move between months or click on a day
November
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Cloudy
16°
2
Mist
14°
3
Mist
13°
4
Mist
13°
5
Cloudy
15°
6
Partly cloudy
22°
7
Partly cloudy
17°
8
Mist
14°
9
Mist
21°
10
Sunny
23°
11
Overcast
19°
12
Mist
14°
13
Sunny
16°
14
Overcast
15°
15
Cloudy
18°
16
Overcast
19°
17
Mist
16°
18
Sunny
25°
19
Overcast
18°
20
Mist
15°
21
Mist
12°
22
Mist
14°
23
Overcast
14°
24
Mist
14°
25
Sunny
16°
26
Overcast
18°
27
Mist
14°
28
Partly cloudy
16°
29
Mist
11°
30
Mist
17°
31
Mist
18°
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Access Seal Beach weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
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Temperatures trend during December in Seal Beach

See the weather trend as well as the moving average line

December weather day by day

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
Dec. 1 Cloudy
Cloudy
 16° /9° 0 mm 4
Dec. 2 Mist
Mist
 14° /10° 0 mm 3
Dec. 3 Mist
Mist
 13° /10° 0 mm 3
Dec. 4 Mist
Mist
 13° /10° 0 mm 3
Dec. 5 Cloudy
Cloudy
 15° /10° 0 mm 4
Dec. 6 Partly cloudy
Partly cloudy
 22° /9° 0 mm 6
Dec. 7 Partly cloudy
Partly cloudy
 17° /9° 0 mm 5
Dec. 8 Mist
Mist
 14° /8° 0 mm 3
Dec. 9 Mist
Mist
 21° /10° 0 mm 5
Dec. 10 Sunny
Sunny
 23° /11° 0 mm 6
Dec. 11 Overcast
Overcast
 19° /10° 0 mm 4
Dec. 12 Mist
Mist
 14° /11° 0 mm 3
Dec. 13 Sunny
Sunny
 16° /8° 0 mm 5
Dec. 14 Overcast
Overcast
 15° /11° 0 mm 4
Dec. 15 Cloudy
Cloudy
 18° /12° 0 mm 4
Dec. 16 Overcast
Overcast
 19° /10° 0 mm 4
Dec. 17 Mist
Mist
 16° /10° 0 mm 4
Dec. 18 Sunny
Sunny
 25° /14° 0 mm 7
Dec. 19 Overcast
Overcast
 18° /12° 0 mm 4
Dec. 20 Mist
Mist
 15° /9° 0 mm 4
Dec. 21 Mist
Mist
 12° /9° 0 mm 3
Dec. 22 Mist
Mist
 14° /11° 0 mm 3
Dec. 23 Overcast
Overcast
 14° /12° 0 mm 3
Dec. 24 Mist
Mist
 14° /12° 0 mm 3
Dec. 25 Sunny
Sunny
 16° /10° 0 mm 5
Dec. 26 Overcast
Overcast
 18° /11° 0 mm 4
Dec. 27 Mist
Mist
 14° /10° 0 mm 3
Dec. 28 Partly cloudy
Partly cloudy
 16° /11° 0 mm 5
Dec. 29 Mist
Mist
 11° /10° 0 mm 3
Dec. 30 Mist
Mist
 17° /10° 0 mm 4
Dec. 31 Mist
Mist
 18° /9° 0 mm 4
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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.

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 16° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Seal Beach during December?
Rainfall in Seal Beach during December is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 0 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
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.

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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