Santiago weather in December [2026]

Month summary

Santiago weather in December

✅ Excellent

🌡️ Temperature min / max

57°F – 84°F

🌧 Rainy days

3% of days

☀️ Sunshine

13.8h per day on average

🌊 🌊 Season

Winter

⭐ ⭐ Weather score

9.6/10

📅 📅 Best month

December (9.6/10)

Quick decision

Should you visit Santiago in December?

✅ Excellent

✅ Yes if: you want to combine beach, sightseeing and hiking — versatile weather (29°F, little rain).

❌ No if: you want to avoid tourist crowds — this is the busiest period.

🌧 Rain : ░░░░░░░░░░ 3%

🌡 Temperature : ███████░░░ 84°F

☀️ Sunshine : ██████████ 13.8h/d

Our take: December in Santiago is absolutely stellar—you're looking at warm, dry summer weather with temps ranging from 14 to 29°C and virtually no rain to worry about. With nearly 14 hours of daily sunshine, it's perfect for exploring the city and nearby wine country without any weather hiccups. This is genuinely one of the year's best months to visit.

By trip type

Santiago in December by trip type

🏙️ 🏙️ City break / culture : ✅ Good
🚶 🚶 Outdoor activities : ✅ Good
🏖️ Beach / swimming : ✅ Good
💰 💰 Budget : 💸 Peak season

Local context

What to expect in December

Even in winter, Santiago enjoys 29°F. A real asset for escaping the European cold. Rain is virtually absent (3% of days) — ideal for planning without a backup. This is one of the best times of year to visit Santiago.

Browse by month

All months for Santiago

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Annual table

Month-by-month comparison

Month	Min °F	Max °F	Rain %	Precip in	Sun h/d	Score
☀️ January	61°F	86°F	2%	0.0in	13.8h	9.3/10
☀️ February	61°F	86°F	4%	0.0in	12.7h	9.1/10
☀️ March	57°F	82°F	3%	0.0in	11.9h	9.5/10
🌤️ April	54°F	73°F	7%	0.0in	10.7h	8.4/10
🌤️ May	48°F	64°F	15%	0.1in	9.5h	7.3/10
⛅ June	45°F	59°F	21%	0.1in	8.3h	7.0/10
⛅ July	45°F	59°F	15%	0.1in	9.4h	7.1/10
⛅ August	45°F	61°F	19%	0.1in	10.0h	7.1/10
🌤️ September	46°F	66°F	19%	0.0in	11.0h	7.5/10
🌤️ October	50°F	72°F	15%	0.0in	12.2h	8.4/10
☀️ November	54°F	81°F	6%	0.0in	13.0h	9.5/10
☀️ December	57°F	84°F	3%	0.0in	13.8h	9.6/10

Ideal Fair Challenging climate ◀ Current month · Source Open-Meteo · 10 years

📊 Data source Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In December, Santiago averages 84°F, 3% rainy days and 13.8h of sunshine per day. Overall weather score: 9.6/10. See methodology →

Comparison