Riverside (CA)
January
Weather in Riverside, California for January 2027
Your guide to Riverside weather in January - trends and predictions
In general, the average temperature in Riverside at the beginning of January is 15.7 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 17.8 °C by the end of January.
Riverside experiences moderate rainfall in January, with an average of 6 rainy days and a total precipitation of 133.1 mm.
Is January a good time to visit Riverside? check out the best time to travel to Riverside page.
✨ Is January a good time to visit Riverside? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
25
Dry days
6
Rainy days
0
Snow days
17°/8°
Temperatures
11 km/h
Avg max wind
48 %
Avg humidity
Riverside Weather January
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Temperatures trend during January in Riverside
See the weather trend as well as the moving average line
January weather in Riverside day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jan. 1 |  Heavy rain | 16° /9° | 50.3 mm | 2.9 | |
| Jan. 2 |  Patchy rain possible | 17° /10° | 1.1 mm | 2.9 | |
| Jan. 3 |  Light rain | 15° /10° | 3.4 mm | 2.9 | |
| Jan. 4 |  Moderate rain | 15° /8° | 11.4 mm | 2.9 | |
| Jan. 5 | Moderate rain | 15° /8° | 13.2 mm | 2.9 | |
| Jan. 6 |  Sunny | 17° /8° | 0 mm | 3 | |
| Jan. 7 |  Overcast | 15° /8° | 0.4 mm | 3 | |
| Jan. 8 |  Partly cloudy | 15° /7° | 0 mm | 3 | |
| Jan. 9 | Patchy rain possible | 16° /6° | 2.2 mm | 3 | |
| Jan. 10 | Moderate rain | 16° /6° | 11.9 mm | 3 | |
| Jan. 11 | Sunny | 17° /6° | 0.1 mm | 3.1 | |
| Jan. 12 | Sunny | 17° /6° | 0 mm | 3.1 | |
| Jan. 13 | Sunny | 17° /7° | 0 mm | 3.2 | |
| Jan. 14 | Light rain | 17° /8° | 8.9 mm | 3.2 | |
| Jan. 15 | Light rain | 18° /8° | 2.6 mm | 3 | |
| Jan. 16 | Light rain | 18° /8° | 5.8 mm | 3.2 | |
| Jan. 17 | Partly cloudy | 16° /7° | 0.1 mm | 3 | |
| Jan. 18 | Sunny | 19° /7° | 0 mm | 3.3 | |
| Jan. 19 | Sunny | 19° /7° | 0.2 mm | 3 | |
| Jan. 20 | Patchy rain possible | 18° /7° | 1.4 mm | 3 | |
| Jan. 21 | Patchy rain possible | 16° /6° | 2 mm | 3 | |
| Jan. 22 | Light rain | 16° /9° | 4.6 mm | 3.5 | |
| Jan. 23 | Sunny | 16° /9° | 0 mm | 3.5 | |
| Jan. 24 | Sunny | 17° /7° | 0 mm | 3.6 | |
| Jan. 25 | Overcast | 17° /6° | 0 mm | 3 | |
| Jan. 26 | Sunny | 17° /8° | 0.8 mm | 3.7 | |
| Jan. 27 | Light rain | 18° /7° | 9 mm | 3.7 | |
| Jan. 28 | Sunny | 18° /9° | 0 mm | 3.8 | |
| Jan. 29 | Patchy rain possible | 17° /8° | 1.1 mm | 3.8 | |
| Jan. 30 | Light rain | 18° /9° | 2.8 mm | 3 | |
| Jan. 31 | Sunny | 20° /8° | 0 mm | 3.9 | |
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Important Notice
Our weather forecast for Riverside 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 Riverside forecast closer to your planned date for the most up-to-date weather information.
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Riverside in January - FAQ
What are the expected maximum and minimum temperatures in Riverside during January?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Riverside during January?
Significant rainfall exceeding 133.1 mm is expected in Riverside during January, occurring over more than 6 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Riverside during January?
The average wind speed in Riverside during January is 11 km/h, suggesting breezy to windy conditions, depending on your activities.
January rainfall patterns in Riverside
Explore the daily rainfall trends and prepare for Riversides January weather 💧
Typically, Riverside has 6 rainy days in January with a total of 133.1 mm of rainfall.
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