Pasadena
December
Weather in Pasadena for December 2025
Your guide to Pasadena weather in December - trends and predictions
Snowfall in Pasadena during December is quite rare, with fewer than 2 snowy days on average.
In general, the average temperature in Pasadena at the beginning of December is 7.3 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 8.4 °F by the end of December.
Pasadena experiences moderate rainfall in December, with an average of 9 rainy days and a total precipitation of 138.8 mm.
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Snow Forecast ❄️
Temperatures
Rain 🌧️
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21
Dry days
9
Rainy days
1
Snow days
8°/3°
Temperatures
18 km/h
Avg max wind
70 %
Avg humidity
Pasadena in December average weather
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  8° | 2  8° | 3  11° | 4 9° | 5 5° | 6  5° | |
| 7 5° | 8  12° | 9 11° | 10 13° | 11  9° | 12 6° | 13 5° |
| 14  4° | 15 7° | 16 9° | 17 14° | 18  10° | 19 6° | 20 5° |
| 21 5° | 22 2° | 23 4° | 24 7° | 25 6° | 26 6° | 27 7° |
| 28 10° | 29 11° | 30 10° | 31 9° |
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Temperatures trend during December in Pasadena
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Dec. 1 | Overcast | 8° /2° | 0.6 mm | 0 cm | |
| Dec. 2 | Fog | 8° /2° | 0.2 mm | 0 cm | |
| Dec. 3 | Moderate rain | 11° /2° | 8.9 mm | 0 cm | |
| Dec. 4 | Overcast | 9° /1° | 0 mm | 0 cm | |
| Dec. 5 | Overcast | 5° /0° | 0 mm | 0 cm | |
| Dec. 6 | Patchy rain possible | 5° /-1° | 0.1 mm | 0 cm | |
| Dec. 7 | Overcast | 5° /-1° | 0 mm | 0 cm | |
| Dec. 8 | Sunny | 12° /1° | 0 mm | 0 cm | |
| Dec. 9 | Fog | 11° /3° | 7.7 mm | 0 cm | |
| Dec. 10 | Light rain shower | 13° /5° | 16.9 mm | 0 cm | |
| Dec. 11 | Heavy snow | 9° /3° | 54.2 mm | 0.3 cm | |
| Dec. 12 | Sunny | 6° /0° | 0 mm | 0 cm | |
| Dec. 13 | Overcast | 5° /1° | 0 mm | 0 cm | |
| Dec. 14 | Partly cloudy | 4° /-1° | 0 mm | 0 cm | |
| Dec. 15 | Sunny | 7° /0° | 0 mm | 0 cm | |
| Dec. 16 | Overcast | 9° /4° | 1.5 mm | 0 cm | |
| Dec. 17 | Light rain shower | 14° /7° | 14.8 mm | 0 cm | |
| Dec. 18 | Light rain | 10° /3° | 8 mm | 0 cm | |
| Dec. 19 | Overcast | 6° /1° | 0 mm | 0 cm | |
| Dec. 20 | Sunny | 5° /0° | 0 mm | 0 cm | |
| Dec. 21 | Overcast | 5° /0° | 0 mm | 0 cm | |
| Dec. 22 | Overcast | 2° /-2° | 0 mm | 0 cm | |
| Dec. 23 | Overcast | 4° /-1° | 0 mm | 0 cm | |
| Dec. 24 | Patchy rain possible | 7° /2° | 2.2 mm | 0.6 cm | |
| Dec. 25 | Partly cloudy | 6° /3° | 0 mm | 0 cm | |
| Dec. 26 | Light drizzle | 6° /2° | 0.6 mm | 0 cm | |
| Dec. 27 | Light rain shower | 7° /4° | 20.7 mm | 0 cm | |
| Dec. 28 | Fog | 10° /6° | 12.2 mm | 0 cm | |
| Dec. 29 | Light drizzle | 11° /5° | 0.9 mm | 0 cm | |
| Dec. 30 | Overcast | 10° /5° | 8.7 mm | 0 cm | |
| Dec. 31 | Sunny | 9° /2° | 0 mm | 0 cm | |
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Important Notice
Our weather forecast for Pasadena 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 Pasadena forecast closer to your planned date for the most up-to-date weather information.
Pasadena in December - FAQ
What are the expected maximum and minimum temperatures in Pasadena during December?
Prepare for cooler days with highs just around 8° and colder nights, dipping below 3°.
How much rainfall should be expected in Pasadena during December?
Significant rainfall exceeding 138.8 mm is expected in Pasadena during December, occurring over more than 9 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Pasadena in December 2025?
Pasadena typically sees 0.62 cm of snowfall during December.
What are the typical wind conditions in Pasadena during December?
The average wind speed in Pasadena during December is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
Pasadena snow forecast December 2025
Track daily snowfall levels and discover Pasadena’s snowy potential this December ❄️
December rainfall patterns in Pasadena
Explore the daily rainfall trends and prepare for Pasadenas December weather 💧
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