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United States weather

Weather in Santa Cruz, California for December 2025

Your guide to Santa Cruz weather in December - trends and predictions

    Temperatures

  • So far, December 2025 in Santa Cruz is slightly warmer than the historical average by 1.3 °F.

  • The forecast for the next days in Santa Cruz predicts temperatures to be around 15 °F, close to the historical average.

  • In general, the average temperature in Santa Cruz at the beginning of December is 15.9 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 13.1 °F by the end of December.

    • Rain 🌧️

  • The climate of Santa Cruz in December is notably wet, with an average of 11 rainy days, and a total of 194.5 mm of precipitation.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
20
Dry days
Average rainy days
11
Rainy days
Average snowy days
0
Snow days
Average temperatures
14°/9°
Temperatures
Average wind speed
13 km/h
Avg max wind
Average humidity
78 %
Avg humidity

Santa Cruz Weather December

Move between months or click on a day
November
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Cloudy
17°
2
Cloudy
15°
3
Partly cloudy
14°
4
Partly cloudy
16°
5
Partly cloudy
16°
6
Partly cloudy
17°
7
Overcast
16°
8
Overcast
17°
9
Partly cloudy
16°
10
Sunny
19°
11
Overcast
17°
12
Heavy rain at times
15°
13
Patchy rain possible
13°
14
Moderate or heavy rain shower
13°
15
Overcast
14°
16
Moderate or heavy rain shower
14°
17
Patchy rain possible
19°
18
Sunny
16°
19
Cloudy
14°
20
Patchy rain possible
18°
21
Patchy rain possible
17°
22
Partly cloudy
15°
23
Patchy rain possible
15°
24
Patchy rain possible
13°
25
Moderate rain
15°
26
Patchy rain possible
12°
27
Overcast
15°
28
Patchy rain possible
13°
29
Partly cloudy
13°
30
Patchy rain possible
12°
31
Cloudy
12°

Temperatures trend during December in Santa Cruz

See the weather trend as well as the moving average line

December weather in Santa Cruz day by day

Click on a date for more information
November January
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 Partly cloudy
Partly cloudy
 14° /7° 0 mm 4
Dec. 4 Partly cloudy
Partly cloudy
 16° /8° 0 mm 5
Dec. 5 Partly cloudy
Partly cloudy
 16° /8° 0 mm 5
Dec. 6 Partly cloudy
Partly cloudy
 17° /8° 0 mm 5
Dec. 7 Overcast
Overcast
 16° /7° 0 mm 5
Dec. 8 Overcast
Overcast
 17° /8° 0 mm 4
Dec. 9 Partly cloudy
Partly cloudy
 16° /8° 0 mm 5
Dec. 10 Sunny
Sunny
 19° /8° 0 mm 6
Dec. 11 Overcast
Overcast
 17° /10° 0 mm 5
Dec. 12 Heavy rain at times
Heavy rain at times
 15° /10° 10.6 mm 4
Dec. 13 Patchy rain possible
Patchy rain possible
 13° /9° 1.2 mm 4
Dec. 14 Moderate or heavy rain shower
Moderate or heavy rain shower
 13° /8° 34.1 mm 3
Dec. 15 Overcast
Overcast
 14° /6° 0 mm 4
Dec. 16 Moderate or heavy rain shower
Moderate or heavy rain shower
 14° /10° 8.4 mm 4
Dec. 17 Patchy rain possible
Patchy rain possible
 19° /10° 0.2 mm 0.3
Dec. 18 Sunny
Sunny
 16° /8° 0 mm 0.4
Dec. 19 Cloudy
Cloudy
 14° /10° 0 mm 0.5
Dec. 20 Patchy rain possible
Patchy rain possible
 18° /12° 0.6 mm 0.5
Dec. 21 Patchy rain possible
Patchy rain possible
 17° /13° 0.8 mm 0
Dec. 22 Partly cloudy
Partly cloudy
 15° /12° 0 mm 4
Dec. 23 Patchy rain possible
Patchy rain possible
 15° /11° 1.2 mm 3
Dec. 24 Patchy rain possible
Patchy rain possible
 13° /9° 0.5 mm 3
Dec. 25 Moderate rain
Moderate rain
 15° /8° 5.2 mm 3
Dec. 26 Patchy rain possible
Patchy rain possible
 12° /11° 1.8 mm 3
Dec. 27 Overcast
Overcast
 15° /10° 0 mm 3
Dec. 28 Patchy rain possible
Patchy rain possible
 13° /9° 0.3 mm 3
Dec. 29 Partly cloudy
Partly cloudy
 13° /8° 0 mm 4
Dec. 30 Patchy rain possible
Patchy rain possible
 12° /10° 4.3 mm 3
Dec. 31 Cloudy
Cloudy
 12° /2° 0 mm 3
Next
Important Notice
Our weather forecast for Santa Cruz 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 Cruz forecast closer to your planned date for the most up-to-date weather information.
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Santa Cruz in December - FAQ

What are the expected maximum and minimum temperatures in Santa Cruz 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 Santa Cruz during December?
Significant rainfall exceeding 194.5 mm is expected in Santa Cruz during December, occurring over more than 11 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Santa Cruz during December?
The average wind speed in Santa Cruz during December is 13 km/h, suggesting breezy to windy conditions, depending on your activities.

December rainfall patterns in Santa Cruz

Explore the daily rainfall trends and prepare for Santa Cruzs December weather 💧
Typically, Santa Cruz has 11 rainy days in December with a total of 194.5 mm of rainfall.

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Location coordinates Where is Santa Cruz?

Get accurate weather forecasts for Santa Cruz, located at latitude 36.974 and longitude -122.031. Stay updated with localized weather information tailored for Santa Cruz.

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