Santa Clara County (San Jose)
December
Weather in Santa Clara County for December 2024
Your guide to Santa Clara County weather in December - trends and predictions
The forecast for the first days of December 2024 in Santa Clara County predicts a temperature of 13.8 °F, which is slightly above the historical average.
In general, the average temperature in Santa Clara County at the beginning of December is 14.4 °F. As the month progressed, temperatures tended to slightly increase, reaching an average of 14.9 °F by the end of December.
Santa Clara County sees moderate rainfall in December, averaging 9 rainy days.
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22
Dry days
9
Rainy days
0
Snow days
16°/8°
Temperatures
9 km/h
Avg max wind
71 %
Avg humidity
Santa Clara County in December average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  12° | ||||||
| 2  12° | 3 11° | 4  15° | 5 21° | 6  16° | 7 14° | 8  14° |
| 9  15° | 10  15° | 11 16° | 12 17° | 13 17° | 14 18° | 15 18° |
| 16 20° | 17 19° | 18 14° | 19 16° | 20 13° | 21 16° | 22 17° |
| 23 17° | 24 17° | 25 18° | 26 16° | 27  15° | 28 15° | 29  13° |
| 30 14° | 31 13° |
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Temperatures trend during December in Santa Clara County
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 | Sunny | 12° /6° | 0 mm | 3 | |
| Dec. 2 | Patchy rain possible | 12° /5° | 0.5 mm | 2 | |
| Dec. 3 | Patchy rain possible | 11° /5° | 0.1 mm | 2 | |
| Dec. 4 | Mist | 15° /11° | 0 mm | 4 | |
| Dec. 5 | Mist | 21° /10° | 0 mm | 5 | |
| Dec. 6 | Light rain | 16° /10° | 3.8 mm | 4 | |
| Dec. 7 | Light rain shower | 14° /8° | 1 mm | 3 | |
| Dec. 8 | Cloudy | 14° /6° | 0 mm | 3 | |
| Dec. 9 | Partly cloudy | 15° /3° | 0 mm | 5 | |
| Dec. 10 | Overcast | 15° /5° | 0 mm | 4 | |
| Dec. 11 | Overcast | 16° /7° | 0 mm | 4 | |
| Dec. 12 | Overcast | 17° /8° | 0 mm | 4 | |
| Dec. 13 | Overcast | 17° /6° | 0 mm | 4 | |
| Dec. 14 | Overcast | 18° /7° | 0 mm | 4 | |
| Dec. 15 | Sunny | 18° /7° | 0 mm | 5 | |
| Dec. 16 | Partly cloudy | 20° /7° | 0 mm | 6 | |
| Dec. 17 | Patchy rain possible | 19° /9° | 0 mm | 4 | |
| Dec. 18 | Light rain shower | 14° /12° | 12.6 mm | 3 | |
| Dec. 19 | Light rain shower | 16° /12° | 19.2 mm | 4 | |
| Dec. 20 | Light rain shower | 13° /11° | 25.5 mm | 3 | |
| Dec. 21 | Partly cloudy | 16° /9° | 0 mm | 5 | |
| Dec. 22 | Partly cloudy | 17° /8° | 0 mm | 5 | |
| Dec. 23 | Partly cloudy | 17° /7° | 0 mm | 5 | |
| Dec. 24 | Sunny | 17° /7° | 0 mm | 5 | |
| Dec. 25 | Overcast | 18° /7° | 0 mm | 5 | |
| Dec. 26 | Overcast | 16° /8° | 0.4 mm | 4 | |
| Dec. 27 | Moderate or heavy rain shower | 15° /9° | 21.1 mm | 4 | |
| Dec. 28 | Partly cloudy | 15° /9° | 0.3 mm | 4 | |
| Dec. 29 | Heavy rain at times | 13° /8° | 13.1 mm | 4 | |
| Dec. 30 | Moderate or heavy rain shower | 14° /9° | 17.5 mm | 3 | |
| Dec. 31 | Moderate or heavy rain shower | 13° /9° | 26.5 mm | 3 | |
| Next | |||||
Important Notice
Our weather forecast for Santa Clara County in December 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 December - FAQ
What are the expected maximum and minimum temperatures in Santa Clara County during December?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Santa Clara County during December?
Significant rainfall exceeding 220 mm is expected in Santa Clara County during December, 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 December?
The average wind speed in Santa Clara County during December is 9 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Santa Clara County
Explore the daily rainfall trends and prepare for Santa Clara Countys December weather 💧
UV exposure in Santa Clara County during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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