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Weather in Monterey County, California for December 2026

Your guide to Monterey County weather in December - trends and predictions

    Temperatures

  • 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.

  • Rain 🌧️

  • 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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Average dry days
21
Dry days
Average rainy days
10
Rainy days
Average snowy days
0
Snow days
Average temperatures
14°/9°
Temperatures
Average wind speed
14 km/h
Avg max wind
Average humidity
82 %
Avg humidity

Monterey County Weather December

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Temperatures trend during December in Monterey County

See the weather trend as well as the moving average line

December weather in Monterey County day by day

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Date Weather Temperatures Rain UV More
Dec. 1 Cloudy
Cloudy
17° /9° 0 mm 5
Dec. 2 Cloudy
Cloudy
15° /9° 0 mm 4
Dec. 3 Cloudy
Cloudy
14° /8° 0 mm 4
Dec. 4 Cloudy
Cloudy
15° /9° 0 mm 4
Dec. 5 Cloudy
Cloudy
15° /9° 0 mm 4
Dec. 6 Cloudy
Cloudy
14° /8° 0 mm 4
Dec. 7 Overcast
Overcast
13° /8° 0 mm 3
Dec. 8 Overcast
Overcast
15° /9° 0 mm 4
Dec. 9 Sunny
Sunny
15° /9° 0 mm 5
Dec. 10 Sunny
Sunny
17° /10° 0 mm 5
Dec. 11 Overcast
Overcast
16° /11° 0 mm 5
Dec. 12 Moderate or heavy rain shower
Moderate or heavy rain shower
13° /9° 10.2 mm 4
Dec. 13 Overcast
Overcast
14° /9° 0.2 mm 4
Dec. 14 Moderate or heavy rain shower
Moderate or heavy rain shower
13° /8° 11 mm 3
Dec. 15 Cloudy
Cloudy
12° /7° 0 mm 3
Dec. 16 Moderate or heavy rain shower
Moderate or heavy rain shower
14° /10° 5.2 mm 4
Dec. 17 Cloudy
Cloudy
15° /11° 0 mm 4
Dec. 18 Overcast
Overcast
15° /10° 0 mm 4
Dec. 19 Sunny
Sunny
17° /11° 0 mm 4
Dec. 20 Partly cloudy
Partly cloudy
16° /12° 0 mm 3
Dec. 21 Heavy rain at times
Heavy rain at times
15° /11° 2 mm 2
Dec. 22 Patchy rain possible
Patchy rain possible
15° /12° 20.4 mm 2
Dec. 23 Overcast
Overcast
16° /11° 0.1 mm 2
Dec. 24 Moderate or heavy rain shower
Moderate or heavy rain shower
15° /11° 24.1 mm 2
Dec. 25 Partly cloudy
Partly cloudy
13° /10° 23.2 mm 2
Dec. 26 Moderate rain at times
Moderate rain at times
14° /10° 8.1 mm 2
Dec. 27 Moderate or heavy rain shower
Moderate or heavy rain shower
13° /11° 13.3 mm 2
Dec. 28 Overcast
Overcast
13° /8° 0 mm 2
Dec. 29 Moderate or heavy rain shower
Moderate or heavy rain shower
15° /8° 3 mm 2
Dec. 30 Cloudy
Cloudy
15° /8° 0 mm 2
Dec. 31 Partly cloudy
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.

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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Location coordinates Where is Monterey County?

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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