Santiago in December: weather, rain (3%) and should you go? [2026]

Month summary

Santiago weather in December

✅ Excellent

🌡️ Temperature min / max

14°C – 29°C

🌧 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°C, little rain).

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

🌧 Rain : ░░░░░░░░░░ 3%

🌡 Temperature : ███████░░░ 29°C

☀️ 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

🎯 Peak cultural season — museums and sites accessible in good weather conditions Even in winter, Santiago enjoys 29°C. 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 °C	Max °C	Rain %	Precip mm	Sun h/d	Score
☀️ January	16°C	30°C	2%	0.3	13.8h	9.3/10
☀️ February	16°C	30°C	4%	0.2	12.7h	9.1/10
☀️ March	14°C	28°C	3%	0.1	11.9h	9.5/10
🌤️ April	12°C	23°C	7%	1.1	10.7h	8.4/10
🌤️ May	9°C	18°C	15%	1.4	9.5h	7.3/10
⛅ June	7°C	15°C	21%	2.9	8.3h	7.0/10
⛅ July	7°C	15°C	15%	1.6	9.4h	7.1/10
⛅ August	7°C	16°C	19%	2.0	10.0h	7.1/10
🌤️ September	8°C	19°C	19%	1.1	11.0h	7.5/10
🌤️ October	10°C	22°C	15%	0.8	12.2h	8.4/10
☀️ November	12°C	27°C	6%	0.4	13.0h	9.5/10
☀️ December	14°C	29°C	3%	0.2	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 29°C, 3% rainy days and 13.8h of sunshine per day. Overall weather score: 9.6/10. See methodology →

Comparison