Rancho Cucamonga
January
Weather in Rancho Cucamonga for January 2025
Your guide to Rancho Cucamonga weather in January - trends and predictions
So far, January 2025 in Rancho Cucamonga is slightly warmer than the historical average by 1 °F.
The forecast for the next days in Rancho Cucamonga predicts temperatures to be around 18 °F, close to the historical average.
In general, the average temperature in Rancho Cucamonga at the beginning of January is 16.6 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 14.6 °F by the end of January.
With an average of 4 rainy days, Rancho Cucamonga experiences minimal rainfall in January.
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Temperatures
Rain 🌧️
More
27
Dry days
4
Rainy days
0
Snow days
16°/7°
Temperatures
9 km/h
Avg max wind
50 %
Avg humidity
Rancho Cucamonga in January average weather
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  18° | 2  21° | 3  15° | 4 15° | |||
| 5 17° | 6  17° | 7 13° | 8  14° | 9 17° | 10 16° | 11 16° |
| 12 15° | 13 14° | 14 15° | 15 17° | 16 19° | 17 13° | 18 18° |
| 19 18° | 20 12° | 21 20° | 22 23° | 23 23° | 24 23° | 25 11° |
| 26 9° | 27 12° | 28 14° | 29 16° | 30 19° | 31 21° |
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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
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jan. 1 | Partly cloudy | 18° /7° | 0 mm | 5 | |
| Jan. 2 | Overcast | 21° /8° | 0 mm | 6 | |
| Jan. 3 | Light rain shower | 15° /9° | 4.5 mm | 4 | |
| Jan. 4 | Overcast | 15° /5° | 0 mm | 4 | |
| Jan. 5 | Partly cloudy | 17° /6° | 0 mm | 5 | |
| Jan. 6 | Sunny | 17° /7° | 0 mm | 5 | |
| Jan. 7 | Patchy rain possible | 13° /5° | 1 mm | 3 | |
| Jan. 8 | Cloudy | 14° /4° | 0.1 mm | 4 | |
| Jan. 9 | Sunny | 17° /6° | 0 mm | 5 | |
| Jan. 10 | Sunny | 16° /4° | 0 mm | 5 | |
| Jan. 11 | Patchy rain possible | 16° /4° | 0.1 mm | 4 | |
| Jan. 12 | Sunny | 15° /4° | 0 mm | 5 | |
| Jan. 13 | Sunny | 14° /4° | 0 mm | 4 | |
| Jan. 14 | Sunny | 15° /4° | 0 mm | 5 | |
| Jan. 15 | Overcast | 17° /7° | 0 mm | 5 | |
| Jan. 16 | Sunny | 19° /6° | 0 mm | 5 | |
| Jan. 17 | Partly cloudy | 13° /5° | 0 mm | 4 | |
| Jan. 18 | Sunny | 18° /5° | 0 mm | 5 | |
| Jan. 19 | Overcast | 18° /7° | 0 mm | 5 | |
| Jan. 20 | Light rain shower | 12° /11° | 4.5 mm | 3 | |
| Jan. 21 | Sunny | 20° /3° | 0 mm | 0.7 | |
| Jan. 22 | Cloudy | 23° /7° | 0 mm | 0.6 | |
| Jan. 23 | Sunny | 23° /10° | 0 mm | 0.7 | |
| Jan. 24 | Sunny | 23° /9° | 0 mm | 0.7 | |
| Jan. 25 | Patchy rain possible | 11° /6° | 1.1 mm | 0 | |
| Jan. 26 | Patchy rain possible | 9° /5° | 1.2 mm | 2 | |
| Jan. 27 | Sunny | 12° /2° | 0 mm | 3 | |
| Jan. 28 | Sunny | 14° /2° | 0 mm | 3 | |
| Jan. 29 | Sunny | 16° /2° | 0 mm | 3 | |
| Jan. 30 | Sunny | 19° /4° | 0 mm | 4 | |
| Jan. 31 | Sunny | 21° /6° | 0 mm | 4 | |
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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 4 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 9 km/h, suggesting breezy to windy conditions, depending on your activities.
January rainfall patterns in Rancho Cucamonga
Explore the daily rainfall trends and prepare for Rancho Cucamongas January weather 💧
UV exposure in Rancho Cucamonga during January
Stay informed about UV levels for safe outdoor activities throughout the month of January ☀️
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