West Covina (CA)
January
Weather in West Covina, California for January 2026
Your guide to West Covina weather in January - trends and predictions
In general, the average temperature in West Covina at the beginning of January is 20.4 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 12.6 °F by the end of January.
With an average of 3 rainy days, West Covina experiences minimal rainfall in January.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
28
Dry days
3
Rainy days
0
Snow days
18°/8°
Temperatures
10 km/h
Avg max wind
39 %
Avg humidity
West Covina Weather January
Move between months or click on a day
Temperatures trend during January in West Covina
See the weather trend as well as the moving average line
January weather in West Covina day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jan. 1 |  Partly cloudy | 20° /9° | 0 mm | 6 | |
| Jan. 2 |  Sunny | 25° /11° | 0 mm | 7 | |
| Jan. 3 |  Overcast | 19° /10° | 0 mm | 4 | |
| Jan. 4 | Sunny | 17° /7° | 0 mm | 5 | |
| Jan. 5 | Sunny | 23° /9° | 0 mm | 6 | |
| Jan. 6 | Sunny | 21° /10° | 0 mm | 6 | |
| Jan. 7 | Overcast | 18° /9° | 0 mm | 4 | |
| Jan. 8 | Sunny | 18° /10° | 0 mm | 5 | |
| Jan. 9 | Sunny | 20° /8° | 0 mm | 6 | |
| Jan. 10 | Sunny | 20° /9° | 0 mm | 6 | |
| Jan. 11 | Sunny | 20° /8° | 0 mm | 6 | |
| Jan. 12 | Sunny | 18° /7° | 0 mm | 5 | |
| Jan. 13 | Sunny | 18° /7° | 0 mm | 5 | |
| Jan. 14 | Sunny | 18° /6° | 0 mm | 5 | |
| Jan. 15 | Sunny | 20° /8° | 0 mm | 6 | |
| Jan. 16 | Sunny | 20° /7° | 0 mm | 6 | |
| Jan. 17 |  Cloudy | 12° /4° | 0 mm | 3 | |
| Jan. 18 | Partly cloudy | 15° /7° | 0 mm | 5 | |
| Jan. 19 | Sunny | 17° /7° | 0 mm | 5 | |
| Jan. 20 | Partly cloudy | 20° /5° | 0 mm | 6 | |
| Jan. 21 | Overcast | 17° /7° | 0 mm | 4 | |
| Jan. 22 | Cloudy | 23° /9° | 0 mm | 5 | |
| Jan. 23 | Sunny | 22° /11° | 0 mm | 6 | |
| Jan. 24 | Sunny | 22° /8° | 0 mm | 6 | |
| Jan. 25 | Overcast | 15° /7° | 2 mm | 4 | |
| Jan. 26 |  Moderate or heavy rain shower | 10° /7° | 13.5 mm | 3 | |
| Jan. 27 | Overcast | 11° /6° | 14.2 mm | 3 | |
| Jan. 28 | Partly cloudy | 12° /4° | 0 mm | 4 | |
| Jan. 29 | Partly cloudy | 12° /4° | 0 mm | 4 | |
| Jan. 30 | Overcast | 11° /8° | 0 mm | 3 | |
| Jan. 31 | Partly cloudy | 17° /8° | 0 mm | 5 | |
| Next | |||||
Important Notice
Our weather forecast for West Covina in January 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 January - FAQ
What are the expected maximum and minimum temperatures in West Covina during January?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in West Covina during January?
In January, West Covina can expect light to moderate rainfall, totaling 29.7 mm across approximately 3 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in West Covina during January?
The average wind speed in West Covina during January is 10 km/h, suggesting breezy to windy conditions, depending on your activities.
January rainfall patterns in West Covina
Explore the daily rainfall trends and prepare for West Covinas January weather 💧
UV exposure in West Covina during January
Stay informed about UV levels for safe outdoor activities throughout the month of January ☀️
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.