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Whittier (CA)
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Whittier (CA)
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United States weather

Weather in Whittier, California for December 2025

Your guide to Whittier weather in December - trends and predictions

    Temperatures

  • Until now, December 2025 in Whittier has been nearly identical to the historical average, with a temperature of 21 °F (showing only a slight deviation of 0.3 °F).

  • The forecast for the upcoming days in Whittier predicts a temperature of 22.6 °F, which is slightly above the historical average.

  • In general, the average temperature in Whittier at the beginning of December is 20.1 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 21.1 °F by the end of December.

    • Rain 🌧️

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

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
31
Dry days
Average rainy days
0
Rainy days
Average snowy days
0
Snow days
Average temperatures
19°/10°
Temperatures
Average wind speed
10 km/h
Avg max wind
Average humidity
53 %
Avg humidity

Whittier Weather December

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

Temperatures trend during December in Whittier

See the weather trend as well as the moving average line

December weather in Whittier day by day

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
Dec. 1 Sunny
Sunny
 21° /10° 0 mm 6
Dec. 2 Overcast
Overcast
 18° /10° 0 mm 5
Dec. 3 Cloudy
Cloudy
 18° /10° 0 mm 4
Dec. 4 Partly cloudy
Partly cloudy
 19° /10° 0 mm 6
Dec. 5 Partly cloudy
Partly cloudy
 20° /10° 0 mm 6
Dec. 6 Sunny
Sunny
 22° /10° 0 mm 6
Dec. 7 Cloudy
Cloudy
 23° /11° 0 mm 6
Dec. 8 Partly cloudy
Partly cloudy
 21° /11° 0 mm 6
Dec. 9 Partly cloudy
Partly cloudy
 25° /11° 0 mm 7
Dec. 10 Sunny
Sunny
 25° /13° 0 mm 7
Dec. 11 Overcast
Overcast
 22° /13° 0 mm 6
Dec. 12 Cloudy
Cloudy
 17° /11° 0 mm 4
Dec. 13 Sunny
Sunny
 18° /9° 0 mm 5
Dec. 14 Overcast
Overcast
 20° /11° 0 mm 5
Dec. 15 Partly cloudy
Partly cloudy
 25° /10° 0 mm 0.6
Dec. 16 Partly cloudy
Partly cloudy
 23° /15° 0 mm 0.6
Dec. 17 Sunny
Sunny
 23° /12° 0 mm 0.6
Dec. 18 Sunny
Sunny
 25° /18° 0 mm 0.6
Dec. 19 Partly cloudy
Partly cloudy
 23° /18° 0 mm 0
Dec. 20 Sunny
Sunny
 21° /16° 0 mm 5
Dec. 21 Sunny
Sunny
 21° /16° 0 mm 5
Dec. 22 Partly cloudy
Partly cloudy
 21° /16° 0 mm 5
Dec. 23 Sunny
Sunny
 21° /16° 0 mm 5
Dec. 24 Sunny
Sunny
 20° /16° 0 mm 5
Dec. 25 Sunny
Sunny
 22° /16° 0 mm 5
Dec. 26 Sunny
Sunny
 24° /17° 0 mm 6
Dec. 27 Sunny
Sunny
 25° /18° 0 mm 6
Dec. 28 Sunny
Sunny
 23° /19° 0 mm 6
Dec. 29 Partly cloudy
Partly cloudy
 14° /9° 0 mm 4
Dec. 30 Partly cloudy
Partly cloudy
 21° /9° 0 mm 6
Dec. 31 Overcast
Overcast
 19° /9° 0 mm 4
Next
Important Notice
Our weather forecast for Whittier 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 Whittier forecast closer to your planned date for the most up-to-date weather information.
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Whittier in December - FAQ

What are the expected maximum and minimum temperatures in Whittier during December?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Whittier during December?
Rainfall in Whittier 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 Whittier during December?
The average wind speed in Whittier during December is 10 km/h, suggesting breezy to windy conditions, depending on your activities.

UV exposure in Whittier during December

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

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Location coordinates Where is Whittier?

Get accurate weather forecasts for Whittier, located at latitude 33.979 and longitude -118.033. Stay updated with localized weather information tailored for Whittier.

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