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Weather in Rancho Cucamonga for December 2024

Your guide to Rancho Cucamonga weather in December - trends and predictions
  • In general, the average temperature in Rancho Cucamonga at the beginning of December is 20.7 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 16.1 °F by the end of December.

  • Rancho Cucamonga sees moderate rainfall in December, averaging 7 rainy days.

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Average dry days
24
Dry days
Average rainy days
7
Rainy days
Average snowy days
0
Snow days
Average temperatures
19°/9°
Temperatures
Average wind speed
9 km/h
Avg max wind
Average humidity
45 %
Avg humidity

Rancho Cucamonga in December average weather

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Temperatures trend during December in Rancho Cucamonga

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
Partly cloudy
17° /6° 0 mm 5
Dec. 2 Sunny
Sunny
19° /5° 0 mm 5
Dec. 3 Sunny
Sunny
22° /7° 0 mm 6
Dec. 4 Overcast
Overcast
23° /10° 0 mm 5
Dec. 5 Sunny
Sunny
25° /11° 0 mm 7
Dec. 6 Sunny
Sunny
22° /12° 0 mm 6
Dec. 7 Partly cloudy
Partly cloudy
17° /8° 0 mm 5
Dec. 8 Sunny
Sunny
19° /6° 0 mm 5
Dec. 9 Partly cloudy
Partly cloudy
18° /6° 0 mm 5
Dec. 10 Sunny
Sunny
22° /7° 0 mm 6
Dec. 11 Overcast
Overcast
20° /10° 0 mm 5
Dec. 12 Sunny
Sunny
18° /8° 0 mm 5
Dec. 13 Sunny
Sunny
19° /8° 0 mm 5
Dec. 14 Overcast
Overcast
19° /8° 0 mm 4
Dec. 15 Partly cloudy
Partly cloudy
21° /9° 0 mm 6
Dec. 16 Sunny
Sunny
22° /10° 0 mm 6
Dec. 17 Partly cloudy
Partly cloudy
23° /11° 0 mm 6
Dec. 18 Patchy rain possible
Patchy rain possible
18° /12° 0.4 mm 4
Dec. 19 Light rain shower
Light rain shower
16° /13° 8.3 mm 4
Dec. 20 Light rain shower
Light rain shower
16° /13° 9.7 mm 4
Dec. 21 Patchy light rain with thunder
Patchy light rain with thunder
17° /12° 6.7 mm 4
Dec. 22 Light drizzle
Light drizzle
16° /9° 5.5 mm 4
Dec. 23 Sunny
Sunny
16° /6° 0 mm 5
Dec. 24 Overcast
Overcast
16° /7° 0 mm 4
Dec. 25 Partly cloudy
Partly cloudy
18° /8° 0 mm 5
Dec. 26 Partly cloudy
Partly cloudy
18° /8° 0 mm 5
Dec. 27 Overcast
Overcast
17° /9° 0 mm 4
Dec. 28 Cloudy
Cloudy
19° /8° 0 mm 4
Dec. 29 Overcast
Overcast
18° /9° 0 mm 4
Dec. 30 Light rain shower
Light rain shower
12° /7° 9 mm 3
Dec. 31 Light rain shower
Light rain shower
11° /6° 3.8 mm 3
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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.

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?
In December, Rancho Cucamonga can expect light to moderate rainfall, totaling 43.3 mm across approximately 7 days. Occasional showers are possible, and planning ahead for them could be helpful.
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 💧

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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Location coordinates 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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