Santa Clara County (San Jose)
January
Weather in Santa Clara County, California for January 2027
Your guide to Santa Clara County weather in January - trends and predictions
In general, the average temperature in Santa Clara County at the beginning of January is 13.2 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 15.2 °C by the end of January.
Santa Clara County experiences moderate rainfall in January, with an average of 9 rainy days and a total precipitation of 139.2 mm.
Is January a good time to visit Santa Clara County? check out the best time to travel to Santa Clara County page.
✨ Is January a good time to visit Santa Clara County? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
22
Dry days
9
Rainy days
0
Snow days
14°/6°
Temperatures
11 km/h
Avg max wind
75 %
Avg humidity
Santa Clara County Weather January
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Temperatures trend during January in Santa Clara County
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January weather in Santa Clara County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jan. 1 |  Patchy rain possible | 14° /8° | 1.4 mm | 2.3 | |
| Jan. 2 |  Light rain | 14° /8° | 2.7 mm | 2.3 | |
| Jan. 3 |  Moderate rain | 13° /9° | 11.1 mm | 2 | |
| Jan. 4 |  Heavy rain | 12° /7° | 27.2 mm | 2.3 | |
| Jan. 5 |  Moderate or heavy rain shower | 13° /7° | 6 mm | 2.3 | |
| Jan. 6 | Light rain | 14° /6° | 3.2 mm | 2.4 | |
| Jan. 7 | Light rain | 12° /7° | 4.4 mm | 2.4 | |
| Jan. 8 | Light rain | 13° /6° | 5 mm | 2.4 | |
| Jan. 9 | Moderate rain | 15° /6° | 10.5 mm | 2.4 | |
| Jan. 10 | Moderate or heavy rain shower | 13° /6° | 8.5 mm | 2.4 | |
| Jan. 11 | Moderate or heavy rain shower | 14° /5° | 7 mm | 2.5 | |
| Jan. 12 |  Sunny | 14° /5° | 0 mm | 2.5 | |
| Jan. 13 | Moderate or heavy rain shower | 15° /6° | 7.7 mm | 2.5 | |
| Jan. 14 | Moderate rain | 16° /7° | 10.5 mm | 2.6 | |
| Jan. 15 | Light rain | 16° /7° | 4.6 mm | 2.6 | |
| Jan. 16 | Light rain | 16° /8° | 4.6 mm | 2.6 | |
| Jan. 17 |  Overcast | 15° /7° | 0.1 mm | 2.6 | |
| Jan. 18 | Overcast | 15° /6° | 0.1 mm | 2.7 | |
| Jan. 19 | Light rain | 14° /5° | 3.2 mm | 2.7 | |
| Jan. 20 | Patchy rain possible | 14° /6° | 1.2 mm | 2.7 | |
| Jan. 21 | Sunny | 14° /6° | 0 mm | 2.8 | |
| Jan. 22 | Light rain | 14° /6° | 7.1 mm | 2.8 | |
| Jan. 23 | Sunny | 15° /6° | 0 mm | 2.9 | |
| Jan. 24 | Sunny | 14° /6° | 0.7 mm | 2.9 | |
| Jan. 25 |  Mist | 15° /5° | 0 mm | 2.9 | |
| Jan. 26 | Sunny | 16° /6° | 0.4 mm | 3 | |
| Jan. 27 | Sunny | 16° /6° | 0 mm | 3 | |
| Jan. 28 | Sunny | 16° /7° | 0 mm | 3.1 | |
| Jan. 29 | Mist | 13° /6° | 0.2 mm | 3 | |
| Jan. 30 |  Cloudy | 15° /7° | 0 mm | 3 | |
| Jan. 31 | Moderate rain | 15° /8° | 11.7 mm | 3 | |
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Important Notice
Our weather forecast for Santa Clara County 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 Santa Clara County forecast closer to your planned date for the most up-to-date weather information.
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Santa Clara County in January - FAQ
What are the expected maximum and minimum temperatures in Santa Clara County during January?
During January, expect a variety of temperatures with highs around 14° and lows near 6°, suitable for diverse activities and preferences.
How much rainfall should be expected in Santa Clara County during January?
Significant rainfall exceeding 139.2 mm is expected in Santa Clara County during January, occurring over more than 9 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Santa Clara County during January?
The average wind speed in Santa Clara County during January is 11 km/h, suggesting breezy to windy conditions, depending on your activities.
January rainfall patterns in Santa Clara County
Explore the daily rainfall trends and prepare for Santa Clara Countys January weather 💧
Typically, Santa Clara County has 9 rainy days in January with a total of 139.2 mm of rainfall.
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