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Weather in Chula Vista, California for December 2025

Your guide to Chula Vista weather in December - trends and predictions

    Temperatures

  • Until now, December 2025 in Chula Vista has been nearly identical to the historical average, with a temperature of 19 °F (showing only a slight deviation of 0.3 °F).

  • The forecast for the upcoming days in Chula Vista predicts a temperature of 21.1 °F, which is slightly above the historical average.

  • In general, the average temperature in Chula Vista at the beginning of December is 18.3 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 19.7 °F by the end of December.

    • Rain 🌧️

  • Chula Vista experiences moderate rainfall in December, with an average of 7 rainy days and a total precipitation of 15.2 mm.

    • More

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

Average dry days
24
Dry days
Average rainy days
7
Rainy days
Average snowy days
0
Snow days
Average temperatures
18°/12°
Temperatures
Average wind speed
12 km/h
Avg max wind
Average humidity
60 %
Avg humidity

Chula Vista Weather December

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

Temperatures trend during December in Chula Vista

See the weather trend as well as the moving average line

December weather in Chula Vista day by day

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
Dec. 1 Overcast
Overcast
 19° /10° 0 mm 5
Dec. 2 Partly cloudy
Partly cloudy
 17° /8° 0 mm 5
Dec. 3 Sunny
Sunny
 17° /10° 0 mm 5
Dec. 4 Overcast
Overcast
 19° /9° 0 mm 5
Dec. 5 Partly cloudy
Partly cloudy
 20° /9° 0 mm 6
Dec. 6 Partly cloudy
Partly cloudy
 19° /11° 0 mm 5
Dec. 7 Partly cloudy
Partly cloudy
 17° /10° 0 mm 5
Dec. 8 Partly cloudy
Partly cloudy
 18° /10° 0 mm 5
Dec. 9 Partly cloudy
Partly cloudy
 21° /9° 0 mm 6
Dec. 10 Sunny
Sunny
 22° /11° 0 mm 6
Dec. 11 Overcast
Overcast
 19° /12° 0 mm 5
Dec. 12 Sunny
Sunny
 17° /11° 0 mm 4
Dec. 13 Sunny
Sunny
 18° /12° 0 mm 4
Dec. 14 Partly cloudy
Partly cloudy
 19° /12° 0 mm 5
Dec. 15 Cloudy
Cloudy
 20° /12° 0 mm 0.7
Dec. 16 Partly cloudy
Partly cloudy
 19° /13° 0 mm 0.7
Dec. 17 Partly cloudy
Partly cloudy
 20° /13° 0 mm 0.7
Dec. 18 Sunny
Sunny
 23° /17° 0 mm 0.7
Dec. 19 Overcast
Overcast
 22° /17° 0 mm 0
Dec. 20 Sunny
Sunny
 19° /15° 0 mm 5
Dec. 21 Sunny
Sunny
 21° /15° 0 mm 5
Dec. 22 Overcast
Overcast
 21° /16° 0 mm 4
Dec. 23 Overcast
Overcast
 21° /16° 0 mm 4
Dec. 24 Sunny
Sunny
 20° /16° 0 mm 5
Dec. 25 Sunny
Sunny
 22° /15° 0 mm 5
Dec. 26 Sunny
Sunny
 22° /16° 0 mm 5
Dec. 27 Sunny
Sunny
 24° /17° 0 mm 6
Dec. 28 Sunny
Sunny
 22° /17° 0 mm 5
Dec. 29 Overcast
Overcast
 16° /12° 0 mm 4
Dec. 30 Patchy rain possible
Patchy rain possible
 16° /12° 1.7 mm 4
Dec. 31 Patchy rain possible
Patchy rain possible
 16° /12° 1.7 mm 4
Next
Important Notice
Our weather forecast for Chula Vista 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 Chula Vista forecast closer to your planned date for the most up-to-date weather information.
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Chula Vista in December - FAQ

What are the expected maximum and minimum temperatures in Chula Vista during December?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Chula Vista during December?
Expect minimal rainfall in Chula Vista during December, with a total of 15.2 mm over approximately 7 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in Chula Vista during December?
The average wind speed in Chula Vista during December is 12 km/h, suggesting breezy to windy conditions, depending on your activities.

December rainfall patterns in Chula Vista

Explore the daily rainfall trends and prepare for Chula Vistas December weather 💧
Typically, Chula Vista has 7 rainy days in December with a total of 15.2 mm of rainfall.

UV exposure in Chula Vista during December

Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️

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Location coordinates Where is Chula Vista?

Get accurate weather forecasts for Chula Vista, located at latitude 32.64 and longitude -117.084. Stay updated with localized weather information tailored for Chula Vista.

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