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Weather in Rancho Cucamonga for December 2024

Your guide to Rancho Cucamonga weather in December - trends and predictions

    Temperatures

  • Until now, December 2024 in Rancho Cucamonga has been nearly identical to the historical average, with a temperature of 20.1 °F (showing only a slight deviation of -0.3 °F).

  • The forecast for the next days in Rancho Cucamonga predicts temperatures to be around 20 °F, close to the historical average.

  • In general, the average temperature in Rancho Cucamonga at the beginning of December is 21.9 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 19.9 °F by the end of December.

    • Rain 🌧️

  • Rancho Cucamonga experiences moderate rainfall in December, with an average of 6 rainy days and a total precipitation of 43.3 mm.

    • More

  • Christmas Day weather in Rancho Cucamonga 🎄 - See the complete forecast for Wednesday, December 25.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
25
Dry days
Average rainy days
6
Rainy days
Average snowy days
0
Snow days
Average temperatures
19°/9°
Temperatures
Average wind speed
8 km/h
Avg max wind
Average humidity
42 %
Avg humidity

Rancho Cucamonga in December average weather

Move between months or click on a day
November
January
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Partly cloudy
21°
2
Sunny
20°
3
Sunny
20°
4
Overcast
22°
5
Sunny
25°
6
Sunny
24°
7
Partly cloudy
21°
8
Sunny
20°
9
Partly cloudy
20°
10
Sunny
21°
11
Overcast
20°
12
Sunny
15°
13
Sunny
16°
14
Overcast
17°
15
Partly cloudy
19°
16
Sunny
22°
17
Partly cloudy
23°
18
Patchy rain possible
22°
19
Light rain shower
19°
20
Light rain shower
19°
21
Sunny
22°
22
Partly cloudy
19°
23
Sunny
22°
24
Patchy rain possible
16°
25
Sunny
16°
26
Sunny
18°
27
Sunny
18°
28
Sunny
20°
29
Sunny
22°
30
Sunny
22°
31
Sunny
23°
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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

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
Dec. 1 Partly cloudy
Partly cloudy
 21° /8° 0 mm 6
Dec. 2 Sunny
Sunny
 20° /8° 0 mm 5
Dec. 3 Sunny
Sunny
 20° /9° 0 mm 5
Dec. 4 Overcast
Overcast
 22° /9° 0 mm 6
Dec. 5 Sunny
Sunny
 25° /10° 0 mm 7
Dec. 6 Sunny
Sunny
 24° /11° 0 mm 7
Dec. 7 Partly cloudy
Partly cloudy
 21° /9° 0 mm 6
Dec. 8 Sunny
Sunny
 20° /9° 0 mm 5
Dec. 9 Partly cloudy
Partly cloudy
 20° /7° 0 mm 6
Dec. 10 Sunny
Sunny
 21° /7° 0 mm 6
Dec. 11 Overcast
Overcast
 20° /9° 0 mm 5
Dec. 12 Sunny
Sunny
 15° /8° 0 mm 5
Dec. 13 Sunny
Sunny
 16° /5° 0 mm 5
Dec. 14 Overcast
Overcast
 17° /8° 0 mm 4
Dec. 15 Partly cloudy
Partly cloudy
 19° /7° 0 mm 6
Dec. 16 Sunny
Sunny
 22° /9° 0 mm 6
Dec. 17 Partly cloudy
Partly cloudy
 23° /10° 0 mm 6
Dec. 18 Patchy rain possible
Patchy rain possible
 22° /12° 0.2 mm 6
Dec. 19 Light rain shower
Light rain shower
 19° /13° 4.2 mm 5
Dec. 20 Light rain shower
Light rain shower
 19° /13° 4.8 mm 5
Dec. 21 Sunny
Sunny
 22° /11° 0 mm 0.6
Dec. 22 Partly cloudy
Partly cloudy
 19° /10° 0 mm 0.5
Dec. 23 Sunny
Sunny
 22° /9° 0 mm 0.7
Dec. 24 Patchy rain possible
Patchy rain possible
 16° /11° 0.5 mm 0.6
Dec. 25 Sunny
Sunny
 16° /7° 0 mm 0.6
Dec. 26 Sunny
Sunny
 18° /8° 0 mm 0
Dec. 27 Sunny
Sunny
 18° /9° 0 mm 4
Dec. 28 Sunny
Sunny
 20° /8° 0 mm 4
Dec. 29 Sunny
Sunny
 22° /9° 0 mm 4
Dec. 30 Sunny
Sunny
 22° /9° 0 mm 4
Dec. 31 Sunny
Sunny
 23° /9° 0 mm 4
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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 6 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 8 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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