Weather in Santiago de Chile

Weather — Santiago de Chile

Santiago de Chile has a clear Mediterranean climate: hot, dry summers and cool, wetter winters. The sunniest months are December–February, making this period ideal for sightseeing and short beach trips to the coast, while June–August bring the most rain and cooler daytime temperatures. Use this guide to pick the best travel window, pack appropriately and time your flights and activities.

Weather in Santiago de Chile — January

January is one of Santiago's warmest and driest months. Expect average daytime highs around 29 °C and nights near 16 °C, very few rainy days (about 3) and plenty of sunshine (around 25 sunny days). Temperatures frequently sit in the upper 20s and can reach the low 30s on the hottest days — perfect for outdoor cafés, rooftop bars and day trips toward the coast.

Weather in Santiago de Chile — February

February stays hot and dry with average highs near 29 °C and lows around 16 °C. Rain is scarce (roughly 2 precipitation days) and clear skies dominate. It’s still high season for sun-seekers — ideal for late-summer festivals and planning flexible flight dates to avoid peak crowds.

Weather in Santiago de Chile — March

March marks the start of the transition to autumn: daytime temperatures drop slightly to about 27 °C, nights cool to 14 °C and precipitation remains low. Expect many sunny or partly cloudy days. It’s a great month for sightseeing with still-warm afternoons and fewer tourists than in peak summer.

Weather in Santiago de Chile — April

April brings milder days (around 23 °C) and cooler nights (near 10 °C). Rain becomes more common (average precipitation increases and there are roughly 4 precipitation days), with more partly cloudy days. Pack a light jacket for the evenings and plan indoor options for wetter afternoons.

Weather in Santiago de Chile — May

In May temperatures continue to fall: daytime highs average about 19 °C and nights around 7 °C. Precipitation grows (about 57 mm on average and some 7 rainy days), skies are often partly cloudy. It’s the shoulder season for travel — fewer crowds and pleasant daytime weather for museums and wine tours, but bring a rain layer.

Weather in Santiago de Chile — June

June is in the heart of the cool, wetter season. Average highs drop to roughly 16 °C with nights around 4 °C; total monthly precipitation rises substantially (around 106 mm) and rainy days increase (about 9). Occasional light frosts can happen in outskirts or higher spots. This month suits travelers who don’t mind rain and prefer lower fares.

Weather in Santiago de Chile — July

July is typically the coolest month: average highs near 16 °C and lows about 4 °C, with notable rainfall (≈75 mm) and several overcast or partly cloudy days. It’s a quiet time for tourism — good for bargain flights and exploring indoor attractions or nearby ski areas at higher elevations.

Weather in Santiago de Chile — August

August remains cool and relatively wet, with daytime highs around 17 °C and nights near 5 °C. Rain totals are still elevated and sunshine is limited compared with summer months. If you travel now, plan for layers and occasional showers, and consider cultural activities or valley wine tours when it clears up.

Weather in Santiago de Chile — September

September sees spring’s return: average highs climb to about 19 °C and lows to 7 °C. Precipitation drops but some wet days remain (roughly 11 precipitation days across the month). Days become more pleasant for walking tours and parks as buds and blossoms appear.

Weather in Santiago de Chile — October

October is mild and increasingly sunny — daytime temperatures average around 22 °C and nights about 9 °C. Rainfall is moderate but decreasing, and many days are suitable for outdoor sightseeing. This is an attractive shoulder month for good weather and fewer crowds than the peak summer.

Weather in Santiago de Chile — November

November warms up toward summer with average highs near 25 °C and lows around 12 °C. Rain is limited and sunny days increase (about 17 sunny days). It’s an excellent time to book flights: pleasant weather, vibrant city life and expanding outdoor options.

Weather in Santiago de Chile — December

December returns to summer conditions: average highs about 28 °C and nights around 14 °C, with very little rain and many sunny days. Days are long and warm — ideal for city sightseeing, rooftop dining and short drives to coastal beaches.

Table with temperatures during the year