2026 Climate Averages

Weather: Santiago — December

Conditions are pleasant for sightseeing, though you might encounter occasional showers.

👍 Climate Overview

December is a good time to visit Santiago. Hot conditions with temperatures reaching 29°C—stay hydrated and seek shade. Rainfall is rare, so you can leave the umbrella at home. Temperatures vary significantly between day and night—layering is recommended. Being off-peak, you'll find better deals and fewer crowds.

9.2
GoTripzi Score Excellent

Based on weather comfort, crowds, prices, and activity options

Avg High

29°C

Avg Low

14°C

Rainy days

1day

Daylight

14.3h

Rainfall

4mm

Sunshine

13.1h/day

Humidity

55%

Moderate
Sun Strength

12

Extreme
Wind

13 km/h (gusts 33)

Is December a good time to visit Santiago?

Conditions are pleasant for sightseeing, though you might encounter occasional showers.

Now

--

Feels like --
Wind --
Humidity --
UV Index --
Local time —

Air Quality

Travel Context

  • Crowds
    Moderate
  • Travel Costs Peak Rates

Daylight

Sunrise

06:28

Sunset

20:49

14.3h daylight

Visiting Santiago in December: Pros & Cons

Pros

  • Minimal rainfall — great for outdoor plans
  • Abundant sunshine for beach and outdoor fun
  • Fewer crowds and better hotel deals
  • Long daylight hours maximize sightseeing time

Cons

  • Very high UV — sunscreen and shade essential

Things to Do in December

Recommended for This Weather

🚶 Walking tours & sightseeing
🚲 Cycling & bike tours
🥾 Hiking & nature trails
🍜 Food tours & culinary experiences
🎭 Cultural tours & local experiences

Santiago Weather by Month

Month Avg High Avg Low Rain Sunshine Humidity UV Index Crowds Condition
Jan 30°C 15°C 1d (10mm) 13.1h
55% Moderate
12 Extreme
Good
Feb 30°C 15°C 0d (2mm) 12.3h
55% Moderate
11.7 Extreme
Good
Mar 28°C 14°C 1d (3mm) 11.3h
56% Moderate
9.6 Very High
Excellent
Apr 24°C 10°C 2d (15mm) 9.9h
59% Moderate
6.8 High
Excellent
May 19°C 6°C 4d (40mm) 8.1h
64% Moderate
4.8 Moderate
Good
Jun 16°C 5°C 8d (116mm) 6.6h
70% Humid
3.4 Moderate
Good
Jul 17°C 4°C 5d (53mm) 7.8h
66% Humid
4.2 Moderate
Good
Aug 17°C 5°C 8d (99mm) 8.6h
69% Humid
5.5 High
Good
Sep 20°C 6°C 6d (42mm) 9.7h
67% Humid
7.6 Very High
Good
Oct 23°C 9°C 4d (23mm) 11.4h
62% Moderate
10.1 Extreme
Excellent
Nov 26°C 11°C 2d (11mm) 12.6h
60% Moderate
11.9 Extreme
Excellent
Dec Current 29°C 14°C 1d (4mm) 13.1h
55% Moderate
12 Extreme
Good

⚖️Find Your Ideal Month

Adjust the sliders to weight what matters most to you.

5
3
3
Your Best MonthJanScore: 8.4
1.Jan
8.42.Feb
7.43.Dec
7.44.Jul
6.55.Aug
6.56.Jun
6.17.May
68.Mar
5.69.Sep
5.610.Nov
5.611.Apr
5.212.Oct
5.2

Where to Stay

See hotels, apartments & rentals around Santiago – live prices from Booking.com, Expedia, Vrbo and more

Open map in new tab

Santiago

Andean capital with viewpoints and wine valleys nearby. Discover San Cristóbal Hill.

View Full Destination Guide

What to Pack for December

Summer clothing like shorts, t-shirts, and sundresses will be comfortable. Bring a light cardigan for air-conditioned spaces. Temperatures drop significantly at night, so pack layers you can add or remove throughout the day. Don't forget a wide-brimmed hat and high-SPF sunscreen — the sun is strong.

Moderate Moderate

🎒Personalized Packing List

Tell us about your trip and we'll create a custom packing list based on the weather.

Your Packing List

📋Essentials
👕Clothing
👟Footwear
🎒Accessories
🧴Toiletries & Health

Planning a trip to Santiago?

💰 Off-peak — great deals available now

Frequently Asked Questions

Is December a good time to visit Santiago?
December is typically good for visiting Santiago, with average highs of 29°C and around 1 rainy days. Plan your activities accordingly—outdoor sightseeing is best on dry days, while rainy days are perfect for museums and indoor attractions.
Does it get cold at night in Santiago in December?
Evenings in Santiago during December are mild at 14°C. A light cardigan or long sleeves for evenings is usually enough. Outdoor dining remains comfortable, making it a great time to enjoy rooftop bars and terrace restaurants.
What should I pack for Santiago in December?
With highs of 29°C and lows of 14°C in December, we recommend: Lightweight breathable clothes, Sunscreen SPF 30+, Sun hat, Sunglasses. Layering is key as temperatures can vary between air-conditioned interiors and outdoors. Comfortable walking shoes are essential for cobblestone streets.
Does it rain a lot in Santiago in December?
Santiago typically sees around 1 rainy days in December. Rain is usually in the form of brief showers rather than all-day downpours, so a compact umbrella is sufficient. Mornings tend to be drier, making them ideal for outdoor sightseeing.
How many hours of daylight are there in Santiago in December?
In December, Santiago gets approximately 14.3 hours of daylight per day. This affects how much sightseeing you can fit in—longer days mean more time for outdoor activities, while shorter days are perfect for cozy museum visits and early dinners.
Is December peak season in Santiago?
No, December is not peak season in Santiago. Expect better value on accommodation, shorter queues at attractions, and fewer tourists at popular spots. This is an excellent time to experience the city like a local and enjoy a more authentic atmosphere.

Weather Data: Based on 2020–2025 historical climate data from Open-Meteo

Solar calculations: SunCalc (timezone: America/Santiago)

Last Updated: February 2026

More Santiago Guides

Best Time to Visit

Coming soon

Things to Do

Coming soon

Where to Stay

Best neighborhoods and hotel recommendations

Find Hotels →

Cost & Budget

Daily costs, money-saving tips, and budget breakdown

Read Guide →

Itineraries

Coming soon

Overview

Complete travel guide for Santiago: top things to do, itineraries, and typical costs.

Read Full Guide →