Pasadena in December
7.1out of 10
Possible, with caveats
Mild: highs around 19°C. Frequent rain: about 10 rainy days.
19°CAvg high
9°CAvg low
10Rainy days (106 mm)
10:06 hDaylight
07:14Sunrise · 17:20 Sunset
Why this score
- Mild: highs around 19°C
- Frequent rain: about 10 rainy days
What to wear and pack
- Layers you can add or remove
- Rain jacket or compact umbrella
How reliable is the forecast?
Rainfall in December is fairly consistent from year to year (2.8 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 18°C | 8°C | 106 mm | 10 | – | – | 7.0 |
| February | 20°C | 10°C | 84 mm | 9 | – | – | 7.5 |
| March | 23°C | 13°C | 94 mm | 10 | – | – | 7.7 |
| April | 26°C | 16°C | 96 mm | 10 | – | – | 7.7 |
| May | 29°C | 20°C | 90 mm | 10 | – | – | 7.6 |
| June | 32°C | 24°C | 113 mm | 13 | – | – | 6.3 |
| July | 33°C | 24°C | 91 mm | 13 | – | – | 6.2 |
| August | 33°C | 24°C | 98 mm | 13 | – | – | 6.0 |
| September | 31°C | 22°C | 118 mm | 12 | – | – | 6.7 |
| October | 27°C | 17°C | 103 mm | 9 | – | – | 7.8 |
| November | 22°C | 12°C | 105 mm | 8 | – | – | 7.9 |
| December | 19°C | 9°C | 106 mm | 10 | – | – | 7.1 |
Frequently asked questions
How hot is Pasadena in December?
Daytime highs average 19°C and nights about 9°C.
When is the best time to visit Pasadena?
The best months are November, October, March, April.