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Weather in Pomona, California for December 2026

Your guide to Pomona weather in December - trends and predictions

    Temperatures

  • In general, the average temperature in Pomona at the beginning of December is 20.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 16 °C by the end of December.

  • Rain 🌧️

  • With an average of 4 rainy days, Pomona experiences minimal rainfall in December.

  • More

  • Is December a good time to visit Pomona? check out the best time to travel to Pomona page.

  • ✨ Is December a good time to visit Pomona? – Ask the AI Weatherman

Average dry days
27
Dry days
Average rainy days
4
Rainy days
Average snowy days
0
Snow days
Average temperatures
19°/11°
Temperatures
Average wind speed
10 km/h
Avg max wind
Average humidity
47 %
Avg humidity

Pomona Weather December

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Temperatures trend during December in Pomona

See the weather trend as well as the moving average line

December weather in Pomona day by day

Click on a date for more information
Date Weather Temperatures Rain UV More
Dec. 1 Partly cloudy
Partly cloudy
20° /10° 0 mm 3
Dec. 2 Sunny
Sunny
18° /10° 0 mm 3
Dec. 3 Sunny
Sunny
20° /10° 0 mm 3
Dec. 4 Overcast
Overcast
21° /9° 0 mm 3
Dec. 5 Sunny
Sunny
23° /11° 0 mm 2.9
Dec. 6 Sunny
Sunny
22° /12° 0 mm 2.9
Dec. 7 Partly cloudy
Partly cloudy
22° /11° 0 mm 2.9
Dec. 8 Sunny
Sunny
21° /10° 0 mm 2.9
Dec. 9 Sunny
Sunny
23° /10° 0 mm 2.9
Dec. 10 Sunny
Sunny
24° /11° 0 mm 2.9
Dec. 11 Overcast
Overcast
22° /13° 0 mm 2.8
Dec. 12 Sunny
Sunny
18° /10° 0 mm 2.8
Dec. 13 Sunny
Sunny
18° /9° 0 mm 2.8
Dec. 14 Overcast
Overcast
20° /12° 0 mm 2.8
Dec. 15 Partly cloudy
Partly cloudy
23° /10° 0 mm 2.8
Dec. 16 Sunny
Sunny
23° /13° 0 mm 2.8
Dec. 17 Partly cloudy
Partly cloudy
23° /13° 0 mm 2.8
Dec. 18 Sunny
Sunny
24° /15° 0.2 mm 2.8
Dec. 19 Light rain
Light rain
21° /14° 3.2 mm 2.8
Dec. 20 Light rain
Light rain
19° /12° 4.4 mm 2.8
Dec. 21 Patchy light rain with thunder
Patchy light rain with thunder
18° /11° 2.2 mm 2.8
Dec. 22 Light rain
Light rain
18° /12° 2.6 mm 2.8
Dec. 23 Partly cloudy
Partly cloudy
17° /10° 0.8 mm 2.8
Dec. 24 Heavy rain
Heavy rain
15° /10° 87.1 mm 2
Dec. 25 Light rain
Light rain
16° /9° 3.1 mm 2.8
Dec. 26 Heavy rain
Heavy rain
15° /10° 45.4 mm 2.8
Dec. 27 Overcast
Overcast
14° /8° 0 mm 2.8
Dec. 28 Overcast
Overcast
18° /8° 0 mm 2.8
Dec. 29 Sunny
Sunny
18° /10° 0 mm 2.8
Dec. 30 Light rain
Light rain
16° /8° 3.8 mm 2.8
Dec. 31 Moderate rain
Moderate rain
16° /9° 14.9 mm 2
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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 11°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Pomona during December?

Significant rainfall exceeding 167.6 mm is expected in Pomona during December, occurring over more than 4 days. Preparing for wet conditions is recommended in your planning.

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 💧
Typically, Pomona has 4 rainy days in December with a total of 167.6 mm of rainfall.

UV exposure in Pomona 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 Pomona?

Get accurate weather forecasts for Pomona, located at latitude 34.055 and longitude -117.752. Stay updated with localized weather information tailored for Pomona.

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