Santiago in December
7.5out of 10
Yes, a good time to go
Mild: highs around 18°C. Some rain: about 8 rainy days.
18°CAvg high
7°CAvg low
8Rainy days (47 mm)
10:25 hDaylight
07:24Sunrise · 17:49 Sunset
Why this score
- Mild: highs around 18°C
- Some rain: about 8 rainy days
- Rain varies a lot between years (±4.1 days)
What to wear and pack
- Layers you can add or remove
- Comfortable walking shoes
How reliable is the forecast?
Rain in December varies a lot between years (±4.1 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 | 18°C | 7°C | 60 mm | 9 | – | – | 7.2 |
| February | 20°C | 8°C | 83 mm | 11 | – | – | 7.3 |
| March | 23°C | 11°C | 130 mm | 15 | – | – | 6.9 |
| April | 25°C | 14°C | 172 mm | 16 | – | – | 6.5 |
| May | 27°C | 16°C | 158 mm | 17 | – | – | 6.5 |
| June | 28°C | 18°C | 85 mm | 12 | – | – | 7.5 |
| July | 29°C | 18°C | 91 mm | 11 | – | – | 7.6 |
| August | 29°C | 18°C | 67 mm | 10 | – | – | 7.7 |
| September | 26°C | 17°C | 191 mm | 16 | – | – | 6.4 |
| October | 24°C | 14°C | 106 mm | 12 | – | – | 7.4 |
| November | 21°C | 10°C | 66 mm | 9 | – | – | 7.7 |
| December | 18°C | 7°C | 47 mm | 8 | – | – | 7.5 |
Frequently asked questions
How hot is Santiago in December?
Daytime highs average 18°C and nights about 7°C.
When is the best time to visit Santiago?
The best months are August, November, July, June.