West Covina (CA)
December
Weather in West Covina, California for December 2025
Your guide to West Covina weather in December - trends and predictions
In general, the average temperature in West Covina at the beginning of December is 22.1 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.7 °F by the end of December.
Precipitation in West Covina during December is a rare event, with an average of fewer than 2 rainy days.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
30
Dry days
1
Rainy days
0
Snow days
20°/10°
Temperatures
9 km/h
Avg max wind
42 %
Avg humidity
West Covina Weather December
Move between months or click on a day
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
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 |  Sunny | 23° /12° | 0 mm | 6 | |
| Dec. 2 |  Cloudy | 21° /9° | 0 mm | 5 | |
| Dec. 3 | Cloudy | 19° /10° | 0 mm | 4 | |
| Dec. 4 |  Partly cloudy | 19° /9° | 0 mm | 5 | |
| Dec. 5 | Sunny | 22° /9° | 0 mm | 6 | |
| Dec. 6 | Sunny | 26° /11° | 0 mm | 7 | |
| Dec. 7 | Partly cloudy | 25° /9° | 0 mm | 6 | |
| Dec. 8 | Cloudy | 21° /11° | 0 mm | 5 | |
| Dec. 9 | Sunny | 21° /9° | 0 mm | 6 | |
| Dec. 10 | Sunny | 21° /9° | 0 mm | 6 | |
| Dec. 11 |  Overcast | 21° /9° | 0 mm | 5 | |
| Dec. 12 | Partly cloudy | 15° /8° | 0 mm | 4 | |
| Dec. 13 | Sunny | 15° /4° | 0 mm | 5 | |
| Dec. 14 | Overcast | 17° /9° | 0 mm | 4 | |
| Dec. 15 | Sunny | 19° /8° | 0 mm | 5 | |
| Dec. 16 | Cloudy | 21° /9° | 0 mm | 5 | |
| Dec. 17 | Sunny | 22° /8° | 0 mm | 6 | |
| Dec. 18 | Sunny | 27° /14° | 0 mm | 7 | |
| Dec. 19 | Overcast | 24° /12° | 0 mm | 5 | |
| Dec. 20 | Partly cloudy | 23° /11° | 0 mm | 6 | |
| Dec. 21 | Partly cloudy | 18° /10° | 0 mm | 5 | |
| Dec. 22 | Partly cloudy | 19° /11° | 0 mm | 5 | |
| Dec. 23 | Partly cloudy | 19° /11° | 0 mm | 5 | |
| Dec. 24 | Overcast | 15° /10° | 0.9 mm | 4 | |
| Dec. 25 | Sunny | 16° /7° | 0 mm | 5 | |
| Dec. 26 | Overcast | 17° /9° | 0 mm | 4 | |
| Dec. 27 | Partly cloudy | 15° /9° | 0 mm | 5 | |
| Dec. 28 | Sunny | 19° /9° | 0 mm | 5 | |
| Dec. 29 | Sunny | 17° /9° | 0 mm | 5 | |
| Dec. 30 | Sunny | 20° /8° | 0 mm | 6 | |
| Dec. 31 | 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.
Change Month
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
More West Covina weather pages
You are here
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.
Found a mistake?
We appreciate your attention to details. Tell us here.