Pomona
December
Weather in Pomona for December 2025
Your guide to Pomona weather in December - trends and predictions
In general, the average temperature in Pomona at the beginning of December is 21.6 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.4 °F by the end of December.
Pomona experiences moderate rainfall in December, with an average of 6 rainy days and a total precipitation of 26.4 mm.
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Temperatures
Rain 🌧️
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25
Dry days
6
Rainy days
0
Snow days
19°/10°
Temperatures
10 km/h
Avg max wind
42 %
Avg humidity
Pomona Weather December
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  20° | 2  19° | 3 20° | 4  22° | 5 25° | 6 24° | |
| 7 21° | 8 19° | 9 21° | 10 23° | 11 21° | 12 16° | 13 16° |
| 14 18° | 15 21° | 16 21° | 17 23° | 18  23° | 19 20° | 20 19° |
| 21  18° | 22 17° | 23 18° | 24 16° | 25 17° | 26 17° | 27 16° |
| 28 20° | 29 18° | 30 18° | 31 16° |
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Temperatures trend during December in Pomona
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 | Partly cloudy | 20° /10° | 0 mm | 6 | |
| Dec. 2 | Sunny | 19° /10° | 0 mm | 5 | |
| Dec. 3 | Sunny | 20° /11° | 0 mm | 5 | |
| Dec. 4 | Overcast | 22° /10° | 0 mm | 6 | |
| Dec. 5 | Sunny | 25° /12° | 0 mm | 7 | |
| Dec. 6 | Sunny | 24° /12° | 0 mm | 7 | |
| Dec. 7 | Partly cloudy | 21° /10° | 0 mm | 6 | |
| Dec. 8 | Sunny | 19° /8° | 0 mm | 5 | |
| Dec. 9 | Partly cloudy | 21° /8° | 0 mm | 6 | |
| Dec. 10 | Sunny | 23° /9° | 0 mm | 6 | |
| Dec. 11 | Overcast | 21° /11° | 0 mm | 5 | |
| Dec. 12 | Sunny | 16° /8° | 0 mm | 5 | |
| Dec. 13 | Sunny | 16° /5° | 0 mm | 5 | |
| Dec. 14 | Overcast | 18° /10° | 0 mm | 5 | |
| Dec. 15 | Partly cloudy | 21° /9° | 0 mm | 6 | |
| Dec. 16 | Sunny | 21° /12° | 0 mm | 5 | |
| Dec. 17 | Partly cloudy | 23° /12° | 0 mm | 6 | |
| Dec. 18 | Patchy rain possible | 23° /14° | 0.3 mm | 6 | |
| Dec. 19 | Light rain shower | 20° /13° | 4.8 mm | 5 | |
| Dec. 20 | Light rain shower | 19° /12° | 6.5 mm | 5 | |
| Dec. 21 | Patchy light rain with thunder | 18° /11° | 3.3 mm | 5 | |
| Dec. 22 | Light rain shower | 17° /10° | 3.9 mm | 4 | |
| Dec. 23 | Partly cloudy | 18° /9° | 0 mm | 5 | |
| Dec. 24 | Overcast | 16° /9° | 0 mm | 4 | |
| Dec. 25 | Partly cloudy | 17° /8° | 0 mm | 5 | |
| Dec. 26 | Partly cloudy | 17° /10° | 0 mm | 5 | |
| Dec. 27 | Overcast | 16° /9° | 0 mm | 4 | |
| Dec. 28 | Overcast | 20° /10° | 0 mm | 5 | |
| Dec. 29 | Overcast | 18° /10° | 0 mm | 5 | |
| Dec. 30 | Light rain shower | 18° /7° | 5.7 mm | 5 | |
| Dec. 31 | Light rain shower | 16° /7° | 2 mm | 4 | |
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Important Notice
Our weather forecast for Pomona 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 Pomona forecast closer to your planned date for the most up-to-date weather information.
Pomona in December - FAQ
What are the expected maximum and minimum temperatures in Pomona 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 Pomona during December?
In December, Pomona can expect light to moderate rainfall, totaling 26.4 mm across approximately 6 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Pomona during December?
The average wind speed in Pomona during December is 10 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Pomona
Explore the daily rainfall trends and prepare for Pomonas December weather 💧
UV exposure in Pomona during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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