Santa Clara County (San Jose)
January
Weather in Santa Clara County for January 2026
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 13.6 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 14.7 °F by the end of January.
Santa Clara County in January brings notable rainfall, with an average of 19 rainy days and a total precipitation of 216.7 mm.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
12
Dry days
19
Rainy days
0
Snow days
14°/7°
Temperatures
14 km/h
Avg max wind
76 %
Avg humidity
Santa Clara County Weather January
Move between months or click on a day
| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  14° | 2  15° | 3  13° | ||||
| 4  12° | 5 14° | 6 14° | 7  13° | 8  14° | 9 16° | 10 13° |
| 11 13° | 12 14° | 13 13° | 14 15° | 15 15° | 16 14° | 17  14° |
| 18 13° | 19 12° | 20 13° | 21 15° | 22 15° | 23 17° | 24 15° |
| 25  15° | 26 16° | 27 16° | 28 17° | 29 12° | 30 14° | 31  13° |
You can click on date
Access Santa Clara County weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during January in Santa Clara County
See the weather trend as well as the moving average line
January weather day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jan. 1 | Cloudy | 14° /6° | 0 mm | 3 | |
| Jan. 2 | Heavy rain at times | 15° /7° | 3.5 mm | 4 | |
| Jan. 3 | Patchy rain possible | 13° /7° | 10.8 mm | 3 | |
| Jan. 4 | Moderate or heavy rain shower | 12° /6° | 10.4 mm | 3 | |
| Jan. 5 | Moderate or heavy rain shower | 14° /6° | 8 mm | 3 | |
| Jan. 6 | Light rain shower | 14° /6° | 4.3 mm | 3 | |
| Jan. 7 | Sunny | 13° /6° | 4.5 mm | 4 | |
| Jan. 8 | Partly cloudy | 14° /6° | 6.7 mm | 4 | |
| Jan. 9 | Moderate or heavy rain shower | 16° /7° | 14 mm | 4 | |
| Jan. 10 | Moderate or heavy rain shower | 13° /6° | 11.4 mm | 3 | |
| Jan. 11 | Moderate or heavy rain shower | 13° /5° | 9.3 mm | 3 | |
| Jan. 12 | Sunny | 14° /4° | 0 mm | 4 | |
| Jan. 13 | Moderate or heavy rain shower | 13° /6° | 10.2 mm | 3 | |
| Jan. 14 | Moderate or heavy rain shower | 15° /6° | 14 mm | 4 | |
| Jan. 15 | Heavy rain at times | 15° /6° | 6.1 mm | 4 | |
| Jan. 16 | Patchy rain possible | 14° /6° | 6.1 mm | 4 | |
| Jan. 17 | Overcast | 14° /6° | 0.1 mm | 3 | |
| Jan. 18 | Overcast | 13° /5° | 0.1 mm | 4 | |
| Jan. 19 | Partly cloudy | 12° /5° | 4.3 mm | 3 | |
| Jan. 20 | Sunny | 13° /5° | 1.7 mm | 3 | |
| Jan. 21 | Sunny | 15° /5° | 0 mm | 4 | |
| Jan. 22 | Sunny | 15° /5° | 9.4 mm | 4 | |
| Jan. 23 | Sunny | 17° /5° | 0 mm | 5 | |
| Jan. 24 | Sunny | 15° /6° | 1 mm | 4 | |
| Jan. 25 | Mist | 15° /4° | 0 mm | 4 | |
| Jan. 26 | Sunny | 16° /5° | 0.6 mm | 4 | |
| Jan. 27 | Sunny | 16° /6° | 0 mm | 5 | |
| Jan. 28 | Sunny | 17° /7° | 0 mm | 5 | |
| Jan. 29 | Patchy rain possible | 12° /6° | 0.2 mm | 3 | |
| Jan. 30 | Sunny | 14° /6° | 0 mm | 4 | |
| Jan. 31 | Moderate rain | 13° /6° | 15.7 mm | 3 | |
| Next | |||||
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.
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 7°, suitable for diverse activities and preferences.
How much rainfall should be expected in Santa Clara County during January?
Significant rainfall exceeding 216.7 mm is expected in Santa Clara County during January, occurring over more than 19 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 14 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 💧
Top locations in Santa Clara County
Select a location for an accurate weather forecast
More Locations Quick links
You are here
Where is Santa Clara County?Get accurate weather forecasts for Santa Clara County, located at latitude 37.339 and longitude -121.895. Stay updated with localized weather information tailored for Santa Clara County.
Found a mistake?
We appreciate your attention to details. Tell us here.