Santa Rosa in December
7.9out of 10
Yes, a good time to go
Warm and comfortable: highs around 29°C. Some rain: about 8 rainy days.
29°CAvg high
16°CAvg low
8Rainy days (85 mm)
14:30 hDaylight
05:59Sunrise · 20:28 Sunset
Why this score
- Warm and comfortable: highs around 29°C
- Some rain: about 8 rainy days
- Rain varies a lot between years (±4.2 days)
What to wear and pack
- T-shirts and light layers
- Shorts or a light skirt
- Rain jacket or compact umbrella
- Sunscreen, sunglasses and a hat
How reliable is the forecast?
Rain in December varies a lot between years (±4.2 rainy days), so check the forecast closer to your trip. 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 | 30°C | 18°C | 82 mm | 9 | – | – | 7.6 |
| February | 29°C | 17°C | 81 mm | 8 | – | – | 8.0 |
| March | 26°C | 15°C | 86 mm | 8 | – | – | 8.0 |
| April | 22°C | 11°C | 68 mm | 6 | – | – | 8.2 |
| May | 17°C | 7°C | 30 mm | 5 | – | – | 7.7 |
| June | 14°C | 4°C | 16 mm | 3 | – | – | 7.4 |
| July | 14°C | 3°C | 19 mm | 4 | – | – | 7.3 |
| August | 17°C | 5°C | 27 mm | 4 | – | – | 7.7 |
| September | 19°C | 7°C | 48 mm | 6 | – | – | 7.9 |
| October | 22°C | 10°C | 82 mm | 9 | – | – | 7.8 |
| November | 26°C | 13°C | 75 mm | 8 | – | – | 8.0 |
| December | 29°C | 16°C | 85 mm | 8 | – | – | 7.9 |
Frequently asked questions
How hot is Santa Rosa in December?
Daytime highs average 29°C and nights about 16°C.
When is the best time to visit Santa Rosa?
The best months are April, February, March, November.