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West Covina (CA)
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United States weather

Weather in West Covina, California for December 2025

Your guide to West Covina weather in December - trends and predictions

    Temperatures

  • Until now, December 2025 in West Covina is slightly cooler than the historical average by -1 °F.

  • The forecast for the upcoming days in West Covina predicts a temperature of 24.9 °F, which is slightly above the historical average.

  • In general, the average temperature in West Covina at the beginning of December is 21 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.7 °F by the end of December.

    • Rain 🌧️

  • Precipitation in West Covina 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
30
Dry days
Average rainy days
1
Rainy days
Average snowy days
0
Snow days
Average temperatures
20°/10°
Temperatures
Average wind speed
9 km/h
Avg max wind
Average humidity
42 %
Avg humidity

West Covina Weather December

Move between months or click on a day
November
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
22°
2
Cloudy
20°
3
Cloudy
18°
4
Partly cloudy
19°
5
Sunny
21°
6
Sunny
23°
7
Partly cloudy
24°
8
Cloudy
23°
9
Sunny
24°
10
Sunny
32°
11
Sunny
26°
12
Sunny
24°
13
Overcast
23°
14
Sunny
23°
15
Sunny
23°
16
Sunny
24°
17
Sunny
26°
18
Sunny
27°
19
Sunny
27°
20
Sunny
25°
21
Sunny
25°
22
Sunny
23°
23
Sunny
20°
24
Overcast
15°
25
Sunny
16°
26
Overcast
17°
27
Partly cloudy
15°
28
Sunny
19°
29
Sunny
17°
30
Sunny
20°
31
Overcast
20°

Temperatures trend during December in West Covina

See the weather trend as well as the moving average line

December weather in West Covina day by day

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
Dec. 1 Sunny
Sunny
 22° /10° 0 mm 6
Dec. 2 Cloudy
Cloudy
 20° /9° 0 mm 5
Dec. 3 Cloudy
Cloudy
 18° /9° 0 mm 4
Dec. 4 Partly cloudy
Partly cloudy
 19° /9° 0 mm 5
Dec. 5 Sunny
Sunny
 21° /9° 0 mm 6
Dec. 6 Sunny
Sunny
 23° /11° 0 mm 6
Dec. 7 Partly cloudy
Partly cloudy
 24° /10° 0 mm 6
Dec. 8 Cloudy
Cloudy
 23° /12° 0 mm 6
Dec. 9 Sunny
Sunny
 24° /11° 0 mm 7
Dec. 10 Sunny
Sunny
 32° /14° 0 mm 0.6
Dec. 11 Sunny
Sunny
 26° /16° 0 mm 0.6
Dec. 12 Sunny
Sunny
 24° /13° 0 mm 0.6
Dec. 13 Overcast
Overcast
 23° /12° 0 mm 0.5
Dec. 14 Sunny
Sunny
 23° /12° 0 mm 0
Dec. 15 Sunny
Sunny
 23° /12° 0 mm 5
Dec. 16 Sunny
Sunny
 24° /12° 0 mm 5
Dec. 17 Sunny
Sunny
 26° /13° 0 mm 5
Dec. 18 Sunny
Sunny
 27° /13° 0 mm 5
Dec. 19 Sunny
Sunny
 27° /14° 0 mm 5
Dec. 20 Sunny
Sunny
 25° /13° 0 mm 5
Dec. 21 Sunny
Sunny
 25° /13° 0 mm 5
Dec. 22 Sunny
Sunny
 23° /12° 0 mm 5
Dec. 23 Sunny
Sunny
 20° /9° 0 mm 4
Dec. 24 Overcast
Overcast
 15° /10° 0.9 mm 4
Dec. 25 Sunny
Sunny
 16° /7° 0 mm 5
Dec. 26 Overcast
Overcast
 17° /9° 0 mm 4
Dec. 27 Partly cloudy
Partly cloudy
 15° /9° 0 mm 5
Dec. 28 Sunny
Sunny
 19° /9° 0 mm 5
Dec. 29 Sunny
Sunny
 17° /9° 0 mm 5
Dec. 30 Sunny
Sunny
 20° /8° 0 mm 6
Dec. 31 Overcast
Overcast
 20° /10° 0 mm 4
Next
Important Notice
Our weather forecast for West Covina 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 West Covina forecast closer to your planned date for the most up-to-date weather information.
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West Covina in December - FAQ

What are the expected maximum and minimum temperatures in West Covina 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 West Covina during December?
Rainfall in West Covina during December is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 1 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 West Covina during December?
The average wind speed in West Covina during December is 9 km/h, suggesting breezy to windy conditions, depending on your activities.

UV exposure in West Covina during December

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

Quick links

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Location coordinates Where is West Covina?

Get accurate weather forecasts for West Covina, located at latitude 34.069 and longitude -117.939. Stay updated with localized weather information tailored for West Covina.

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