Santiago in Summer — Weather & What to Expect
Summer in Santiago (December, January, February) averages daytime highs of 29.5°C and lows of 14.6°C, with around 23.9mm of rain across the season (1 rainy days in total). It includes some of the best months of the year to visit (December, January, February).
In the southern hemisphere, summer in Santiago covers December, January, February.
Summer in Santiago month by month
| Month | High | Low | Rain | Rainy days | Rating |
|---|---|---|---|---|---|
| December | 29.2°C | 13.8°C | 2.4mm | 0 | 10/10 |
| January | 29.7°C | 14.9°C | 18.3mm | 1 | 10/10 |
| February | 29.6°C | 15.1°C | 3.2mm | 0 | 10/10 |
What to pack for Santiago in summer
- Light layers
- Sunscreen
- T-shirts and light trousers or shorts
Frequently Asked Questions
Is summer a good time to visit Santiago?
Summer in Santiago rates around 10/10 — excellent time to visit. Average highs are 29.5°C with 23.9mm of rain across the season.
How hot is Santiago in summer?
Daytime highs average 29.5°C (85.1°F) across December, January, February, with nights around 14.6°C.
What months are summer in Santiago?
Santiago is in the southern hemisphere, so summer covers December, January, February.
See also: best time to visit Santiago · Santiago annual climate · Santiago in spring · Santiago in autumn · Santiago in winter
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Once you know what summer in Santiago looks like, find out exactly what to pack for Santiago at 247PackingList. For currency, language and country facts, see the Chile guide at 247CountryInfo.
Summer in Santiago — what to pack
Hot-weather travel clothing
Sun protection, lightweight layers and a reusable water bottle are essential here.
Check Price →Check clothing sizes in Chile at 247Sizing before you shop.
More summer travel essentials
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.