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Weather in Rancho Cucamonga for January 2025

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

  • In general, the average temperature in Rancho Cucamonga at the beginning of January is 13.6 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 20.4 °F by the end of January.

  • With an average of 5 rainy days, Rancho Cucamonga experiences minimal rainfall in January, ensuring that most days remain pleasantly dry.

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Average dry days
26
Dry days
Average rainy days
5
Rainy days
Average snowy days
0
Snow days
Average temperatures
16°/7°
Temperatures
Average wind speed
10 km/h
Avg max wind
Average humidity
51 %
Avg humidity

Rancho Cucamonga in January average weather

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

See the weather trend as well as the moving average line

January weather day by day

Click on a date for more information
December February
Date Weather Temperatures Rain UV More
Jan. 1 Partly cloudy
Partly cloudy
 15° /5° 0 mm 5
Jan. 2 Overcast
Overcast
 16° /6° 0 mm 4
Jan. 3 Light rain shower
Light rain shower
 11° /7° 9.1 mm 3
Jan. 4 Overcast
Overcast
 14° /5° 0 mm 3
Jan. 5 Partly cloudy
Partly cloudy
 13° /4° 0 mm 4
Jan. 6 Sunny
Sunny
 15° /5° 0 mm 4
Jan. 7 Patchy rain possible
Patchy rain possible
 11° /5° 0.5 mm 3
Jan. 8 Cloudy
Cloudy
 13° /2° 0 mm 3
Jan. 9 Sunny
Sunny
 14° /4° 0 mm 4
Jan. 10 Sunny
Sunny
 13° /3° 0 mm 4
Jan. 11 Patchy rain possible
Patchy rain possible
 12° /3° 0.1 mm 3
Jan. 12 Sunny
Sunny
 15° /3° 0 mm 5
Jan. 13 Sunny
Sunny
 14° /4° 0 mm 4
Jan. 14 Sunny
Sunny
 15° /4° 0 mm 5
Jan. 15 Overcast
Overcast
 16° /7° 0 mm 4
Jan. 16 Sunny
Sunny
 19° /7° 0 mm 5
Jan. 17 Partly cloudy
Partly cloudy
 17° /7° 0 mm 5
Jan. 18 Sunny
Sunny
 18° /8° 0 mm 5
Jan. 19 Overcast
Overcast
 17° /9° 0 mm 4
Jan. 20 Light rain shower
Light rain shower
 12° /11° 4.5 mm 3
Jan. 21 Light rain shower
Light rain shower
 10° /9° 12.1 mm 3
Jan. 22 Light rain shower
Light rain shower
 10° /8° 27.8 mm 3
Jan. 23 Patchy rain possible
Patchy rain possible
 15° /5° 0 mm 4
Jan. 24 Overcast
Overcast
 15° /6° 0 mm 4
Jan. 25 Patchy rain possible
Patchy rain possible
 16° /7° 0.1 mm 4
Jan. 26 Sunny
Sunny
 19° /6° 0 mm 5
Jan. 27 Sunny
Sunny
 23° /9° 0 mm 6
Jan. 28 Overcast
Overcast
 22° /12° 0 mm 5
Jan. 29 Overcast
Overcast
 22° /11° 0 mm 5
Jan. 30 Overcast
Overcast
 22° /11° 0 mm 5
Jan. 31 Partly cloudy
Partly cloudy
 19° /10° 0 mm 5
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Important Notice
Our weather forecast for Rancho Cucamonga in January 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 January - FAQ

What are the expected maximum and minimum temperatures in Rancho Cucamonga during January?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Rancho Cucamonga during January?
Moderate rainfall is anticipated in Rancho Cucamonga during January, with a total of 54.4 mm spread over approximately 5 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Rancho Cucamonga during January?
The average wind speed in Rancho Cucamonga during January is 10 km/h, suggesting breezy to windy conditions, depending on your activities.

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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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