Climate in Santiago — Annual Weather Overview
Santiago has a semi arid climate — warm and dry with low but seasonal rainfall. The hottest month is January (average high 29.7°C) and the coolest is July (15.1°C). There is a noticeable seasonal temperature shift of 14.6°C between January and July. Annual rainfall is modest at around 340mm, with June the wettest month (82.8mm) and March the driest (2.3mm). Average daily sunshine is 10.4 hours.
**Spring (September, October, November):** average highs 22.2°C, 62mm rain. **Summer (December, January, February):** average highs 29.5°C, 24mm rain. **Autumn (March, April, May):** average highs 24.0°C, 36mm rain. **Winter (June, July, August):** average highs 15.7°C, 219mm rain.
Santiago — Monthly Temperatures
Santiago — Monthly Rainfall
✅ Best months to visit
All year
ℹ️ No months to avoid
Weather in Santiago stays reasonable all year.
Santiago weather by month
| Month | High | Low | Rain | Sun/day | Rainy days | Rating |
|---|---|---|---|---|---|---|
| January | 29.7°C | 14.9°C | 18.3mm | 13.5h | 1 | 10/10 |
| February | 29.6°C | 15.1°C | 3.2mm | 12.6h | 0 | 10/10 |
| March | 28.3°C | 14.2°C | 2.3mm | 11.7h | 0 | 10/10 |
| April | 24.0°C | 12.0°C | 20.4mm | 10.0h | 2 | 10/10 |
| May | 19.7°C | 10.0°C | 13.2mm | 8.4h | 2 | 10/10 |
| June | 15.5°C | 7.5°C | 82.8mm | 6.6h | 7 | 10/10 |
| July | 15.1°C | 6.7°C | 61.5mm | 7.3h | 5 | 10/10 |
| August | 16.4°C | 7.5°C | 74.3mm | 8.4h | 5 | 10/10 |
| September | 18.2°C | 8.4°C | 37.8mm | 8.9h | 6 | 10/10 |
| October | 22.6°C | 10.0°C | 13.4mm | 11.5h | 3 | 10/10 |
| November | 25.8°C | 11.6°C | 10.8mm | 12.0h | 2 | 10/10 |
| December | 29.2°C | 13.8°C | 2.4mm | 13.4h | 0 | 10/10 |
For the full verdict on when to go, see the best time to visit Santiago. Seasonal breakdowns: spring, summer, autumn and winter.
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Frequently Asked Questions
What type of climate does Santiago have?
Santiago has a semi arid climate — warm and dry with low but seasonal rainfall. Average highs range from 15.1°C in July to 29.7°C in January.
What is the hottest month in Santiago?
January is the hottest month in Santiago, with average highs of 29.7°C and lows of 14.9°C.
What is the coldest month in Santiago?
July is the coolest month, with average highs of 15.1°C and lows of 6.7°C.
What is the wettest month in Santiago?
June is the wettest month, averaging 82.8mm of rainfall over around 7 rainy days.
How much rain does Santiago get per year?
Santiago receives around 340mm of rain per year. The driest month is March (2.3mm).
When is the best time to visit Santiago?
The best time to visit Santiago is All year. See the full month-by-month guide →
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For the packing side of things, our sister site has a ready-made checklist: Santiago packing list at 247PackingList. For currency, language and country facts see the Chile guide at 247CountryInfo. Some travellers fund a longer stay in Santiago by teaching English along the way — a TEFL certificate is usually all it takes.
Trip essentials for Santiago
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More Santiago 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.