December

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December

Rancho Cucamonga Weather December

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November

January

Temperatures trend during December in Rancho Cucamonga

See the weather trend as well as the moving average line

December weather in Rancho Cucamonga day by day

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November January

Date	Weather	Temperatures	Rain	UV
Dec. 1	Sunny	20° /8°	0 mm	3
Dec. 2	Sunny	19° /8°	0 mm	3
Dec. 3	Sunny	19° /8°	0 mm	3
Dec. 4	Sunny	21° /8°	0 mm	3
Dec. 5	Sunny	23° /9°	0 mm	2.9
Dec. 6	Sunny	22° /11°	0 mm	2.9
Dec. 7	Partly cloudy	21° /10°	0 mm	2.9
Dec. 8	Sunny	21° /9°	0 mm	2.9
Dec. 9	Sunny	21° /9°	0 mm	2.9
Dec. 10	Sunny	23° /9°	0 mm	2.8
Dec. 11	Overcast	22° /11°	0 mm	2.8
Dec. 12	Sunny	18° /10°	0 mm	2.8
Dec. 13	Sunny	18° /8°	0 mm	2.8
Dec. 14	Overcast	20° /10°	0 mm	2.8
Dec. 15	Partly cloudy	21° /8°	0 mm	2.8
Dec. 16	Sunny	23° /11°	0 mm	2.8
Dec. 17	Partly cloudy	23° /11°	0 mm	2.8
Dec. 18	Sunny	23° /13°	0.1 mm	2.8
Dec. 19	Light rain	20° /13°	2.8 mm	2.8
Dec. 20	Light rain	19° /13°	3.2 mm	2.8
Dec. 21	Patchy light rain with thunder	18° /12°	2.2 mm	2.8
Dec. 22	Patchy rain possible	18° /11°	1.8 mm	2.8
Dec. 23	Patchy rain possible	17° /9°	1.1 mm	2.8
Dec. 24	Heavy rain	14° /9°	103.1 mm	2
Dec. 25	Light rain	16° /8°	3.1 mm	2.8
Dec. 26	Heavy rain	15° /8°	45.8 mm	2.8
Dec. 27	Overcast	14° /7°	0 mm	2.8
Dec. 28	Cloudy	17° /6°	0 mm	2.8
Dec. 29	Sunny	17° /8°	0 mm	2.8
Dec. 30	Light rain	14° /7°	3 mm	2.8
Dec. 31	Moderate rain	15° /8°	18.5 mm	2
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Important Notice

Our weather forecast for Rancho Cucamonga 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 Rancho Cucamonga forecast closer to your planned date for the most up-to-date weather information.

Change Month

Rancho Cucamonga in December - FAQ

What are the expected maximum and minimum temperatures in Rancho Cucamonga during December?

Enjoy moderate daytime temperatures of up to 19° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Rancho Cucamonga during December?

Significant rainfall exceeding 184.7 mm is expected in Rancho Cucamonga during December, occurring over more than 4 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Rancho Cucamonga during December?

The average wind speed in Rancho Cucamonga during December is 9 km/h, suggesting breezy to windy conditions, depending on your activities.

December rainfall patterns in Rancho Cucamonga

Explore the daily rainfall trends and prepare for Rancho Cucamongas December weather 💧

Typically, Rancho Cucamonga has 4 rainy days in December with a total of 184.7 mm of rainfall.

UV exposure in Rancho Cucamonga during December

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

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Where is Rancho Cucamonga?

Get accurate weather forecasts for Rancho Cucamonga, located at latitude 34.106 and longitude -117.593. Stay updated with localized weather information tailored for Rancho Cucamonga.

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Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
		1 20°	2 19°	3 19°	4 21°	5 23°
6 22°	7 21°	8 21°	9 21°	10 23°	11 22°	12 18°
13 18°	14 20°	15 21°	16 23°	17 23°	18 23°	19 20°
20 19°	21 18°	22 18°	23 17°	24 14°	25 16°	26 15°
27 14°	28 17°	29 17°	30 14°	31 15°