Monterey County (Monterey)
December
Weather in Monterey County, California for December 2026
Your guide to Monterey County weather in December - trends and predictions
In general, the average temperature in Monterey County at the beginning of December is 14.7 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 13.7 °F by the end of December.
Monterey County experiences moderate rainfall in December, with an average of 10 rainy days and a total precipitation of 122.9 mm.
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Temperatures
Rain 🌧️
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21
Dry days
10
Rainy days
0
Snow days
14°/9°
Temperatures
14 km/h
Avg max wind
82 %
Avg humidity
Monterey County Weather December
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Temperatures trend during December in Monterey County
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December weather in Monterey County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 | Cloudy | 17° /9° | 0 mm | 5 | |
| Dec. 2 | Cloudy | 15° /9° | 0 mm | 4 | |
| Dec. 3 | Cloudy | 14° /8° | 0 mm | 4 | |
| Dec. 4 | Cloudy | 15° /9° | 0 mm | 4 | |
| Dec. 5 | Cloudy | 15° /9° | 0 mm | 4 | |
| Dec. 6 | Cloudy | 14° /8° | 0 mm | 4 | |
| Dec. 7 | Overcast | 13° /8° | 0 mm | 3 | |
| Dec. 8 | Overcast | 15° /9° | 0 mm | 4 | |
| Dec. 9 | Sunny | 15° /9° | 0 mm | 5 | |
| Dec. 10 | Sunny | 17° /10° | 0 mm | 5 | |
| Dec. 11 | Overcast | 16° /11° | 0 mm | 5 | |
| Dec. 12 | Moderate or heavy rain shower | 13° /9° | 10.2 mm | 4 | |
| Dec. 13 | Overcast | 14° /9° | 0.2 mm | 4 | |
| Dec. 14 | Moderate or heavy rain shower | 13° /8° | 11 mm | 3 | |
| Dec. 15 | Cloudy | 12° /7° | 0 mm | 3 | |
| Dec. 16 | Moderate or heavy rain shower | 14° /10° | 5.2 mm | 4 | |
| Dec. 17 | Cloudy | 15° /11° | 0 mm | 4 | |
| Dec. 18 | Overcast | 15° /10° | 0 mm | 4 | |
| Dec. 19 | Sunny | 17° /11° | 0 mm | 4 | |
| Dec. 20 | Partly cloudy | 16° /12° | 0 mm | 3 | |
| Dec. 21 | Heavy rain at times | 15° /11° | 2 mm | 2 | |
| Dec. 22 | Patchy rain possible | 15° /12° | 20.4 mm | 2 | |
| Dec. 23 | Overcast | 16° /11° | 0.1 mm | 2 | |
| Dec. 24 | Moderate or heavy rain shower | 15° /11° | 24.1 mm | 2 | |
| Dec. 25 | Partly cloudy | 13° /10° | 23.2 mm | 2 | |
| Dec. 26 | Moderate rain at times | 14° /10° | 8.1 mm | 2 | |
| Dec. 27 | Moderate or heavy rain shower | 13° /11° | 13.3 mm | 2 | |
| Dec. 28 | Overcast | 13° /8° | 0 mm | 2 | |
| Dec. 29 | Moderate or heavy rain shower | 15° /8° | 3 mm | 2 | |
| Dec. 30 | Cloudy | 15° /8° | 0 mm | 2 | |
| Dec. 31 | Partly cloudy | 13° /9° | 8.6 mm | 2 | |
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Important Notice
Our weather forecast for Monterey 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 Monterey County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Monterey County in December - FAQ
What are the expected maximum and minimum temperatures in Monterey County during December?
During December, expect a variety of temperatures with highs around 14° and lows near 9°, suitable for diverse activities and preferences.
How much rainfall should be expected in Monterey County during December?
Significant rainfall exceeding 122.9 mm is expected in Monterey County during December, occurring over more than 10 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Monterey County during December?
The average wind speed in Monterey County during December is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Monterey County
Explore the daily rainfall trends and prepare for Monterey Countys December weather 💧
Typically, Monterey County has 10 rainy days in December with a total of 122.9 mm of rainfall.
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Get accurate weather forecasts for Monterey County, located at latitude 36.6 and longitude -121.895. Stay updated with localized weather information tailored for Monterey County.
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