Santiago Climate — Average Highs, Lows & Rainfall by Month
Santiago has a temperate climate with four distinct seasons. Daytime temperatures average 30°C / 86°F in February, the warmest month, and drop to 16°C / 60°F in July, the coldest. Overnight lows in July average 7°C / 44°F. Santiago receives about 382 mm of rain a year across roughly 37 wet days, with August the wettest month.
Averages for 2021–2025 · Open-Meteo Historical Weather API (ERA5 reanalysis) · Updated 2026-10-05
Monthly averages in Santiago
Average daytime high, overnight low and rainfall for each month of the year.
| Month | Avg high | Avg low | Rainfall | Wet days |
|---|---|---|---|---|
| January | 30°C / 86°F | 15°C / 59°F | 15 mm | 1 |
| February | 30°C / 86°F | 16°C / 60°F | 4 mm | 1 |
| March | 28°C / 83°F | 14°C / 58°F | 5 mm | 1 |
| April | 24°C / 74°F | 12°C / 53°F | 16 mm | 1 |
| May | 18°C / 65°F | 9°C / 48°F | 47 mm | 4 |
| June | 16°C / 60°F | 7°C / 45°F | 94 mm | 6 |
| July | 16°C / 60°F | 7°C / 44°F | 34 mm | 3 |
| August | 16°C / 61°F | 7°C / 45°F | 100 mm | 7 |
| September | 18°C / 65°F | 8°C / 47°F | 33 mm | 6 |
| October | 23°C / 73°F | 10°C / 51°F | 18 mm | 4 |
| November | 26°C / 78°F | 12°C / 53°F | 14 mm | 2 |
| December | 29°C / 84°F | 14°C / 57°F | 2 mm | 1 |
Best time to visit Santiago
December, February, March offer the most comfortable weather in Santiago: mild daytime temperatures with the year's lowest rainfall — December averages 29°C (84°F); February averages 30°C (86°F); March averages 28°C (83°F).
Santiago climate FAQ
- What is the hottest month in Santiago?
- February is the hottest month in Santiago, with average daytime highs of 30°C / 86°F and overnight lows of 16°C / 60°F (averages for 2021–2025).
- What is the coldest month in Santiago?
- July is the coldest month in Santiago, with average highs of 16°C / 60°F and lows of 7°C / 44°F.
- How much rain does Santiago get a year?
- Santiago receives about 382 mm of rainfall a year, spread over roughly 37 wet days. August is the wettest month (100 mm on average) and December the driest (2 mm).
- When is the best time to visit Santiago?
- December, February, March are the most comfortable months in Santiago: mild daytime temperatures with the least rainfall of the year.
Want today's conditions instead of averages?
See live weather in Santiago →Source: Open-Meteo Historical Weather API (ERA5 reanalysis), Open-Meteo. Averages are daily means across 2021–2025 and are rounded for display — for a live forecast see the Santiago weather page.