Climate guide for Santiago, Chile

Best Time to Visit
Santiago

How to read the score (0–10)
05810
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01 · Chile

About Santiago

October-March brings warmer Santiago days for Cerro San Cristóbal, Mercado Central, and Maipo Valley wine trips. Clear mornings favor Andes views; smoggy afternoons fit museums or cafés in Lastarria.

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Did you know?

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Travel Tips

01Best time & timing
January leads the year at 10.0/10, with February and October close behind — August (7.3/10) is the one to avoid without a specific reason.
02Weather & what to pack
In January plan for about 22°C; the month brings 15 mm of rain. Pack light clothing, a hat and real sun protection.
03Crowds & value
Crowds build in January and rates follow; April usually pairs good conditions (9.8/10) with the lowest prices of the strong months.

Things to do in Santiago

Santiago, Chile. Live activities and tours from GetYourGuide, matched to this destination.

When to visit Santiago: the short answer

Plan Santiago for January, with February, October close behind — the stretch with the most usable temperatures and the fewest lost days to rain: January averages 22°C with 15 mm of rain and about 31 days with 6+ hours of sunshine. The months to avoid unless you have a specific reason are August, June. If budget matters more than perfect weather, June is the strongest of the low-rate months at 7.4/10.

Across the year Santiago swings from 11°C in July to 22°C in February, a 11-degree spread, while rainfall ranges from 2 mm in December to 101 mm in August. In short, Santiago is not equally good year-round — the gap between its best and worst month is 2.7 points on the same 10-point scale.

Warmest month: February (22°C). Coolest: July (11°C). Driest: December (2 mm). Wettest: August (101 mm).

Santiago month by month

January in Santiago tops the year's climate scores

Best window · 10/10

At 22°C (71°F) this is comfortable city weather in January, with sightseeing easiest before lunch and after the afternoon peak.

At just 15 mm for the month, rain will not shape your plans; you get about 31 days with 6+ hours of sunshine and 14.1 hours of daylight.

On our climate-comfort scale this is the top-ranked month of the year for Santiago at 10/10 — the reference point every other month on this page is measured against.

Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

Pack light clothing, a hat and real sun protection.

February in Santiago — one of the year's strongest windows (2nd)

Best window · 10/10

At 22°C (71°F) this is comfortable city weather in February, with sightseeing easiest before lunch and after the afternoon peak.

At just 4 mm for the month, rain will not shape your plans; you get about 28 days with 6+ hours of sunshine and 13.3 hours of daylight.

On our climate-comfort scale this is one of the strongest months of the year for Santiago at 10/10 (2nd of 12), just behind January at 10/10.

Budget for peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

Pack light clothing, a hat and real sun protection.

March ranks 6th of 12 for Santiago — one of the best windows

Best window · 9.9/10

March averages 20°C (69°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.

Rain is a non-issue at 5 mm for the month, with about 31 days with 6+ hours of sunshine and 12.3 hours of daylight to work with.

A 9.9/10 puts this among the year's best months in Santiago (6th of 12); only January scores higher, at 10/10.

Figure on peak pricing, with this is one of the busiest months here.

Pack light clothing, a hat and real sun protection.

April is one of the strongest months in Santiago (7th)

Best window · 9.8/10

Temperatures hover around 17°C (62°F) — the kind of month where neither heat nor cold forces the schedule.

With around 16 mm of rain, any showers tend to pass through rather than settle in; about 27 days with 6+ hours of sunshine and 11.2 hours of daylight fill the rest.

On our climate-comfort scale this is one of the strongest months of the year for Santiago at 9.8/10 (7th of 12), just behind January at 10/10.

Budget for peak pricing, and this is one of the busiest months here.

Pack layers you can shed by midday plus one warm layer for the evening.

May in Santiago — one of the year's strongest windows (9th)

Best window · 8.9/10

May averages 13°C (55°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Rainfall runs 47 mm, so plan one flexible day in three; you still get about 25 days with 6+ hours of sunshine and 10.4 hours of daylight.

A 8.9/10 puts this among the year's best months in Santiago (9th of 12); only January scores higher, at 10/10.

Plan for mid-season pricing, with crowds are moderate.

Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.

June in Santiago — reliably good (11th best month)

Good · 7.4/10

Expect 11°C (52°F) in June. A good month for city streets, viewpoints and long meals; leave swimming for another season.

Budget for roughly 94 mm of rain this month — a flexible day or two helps — with about 20 days with 6+ hours of sunshine and 10 hours of daylight to work around it.

That is 7.4/10 on the same scale — 11th of 12 months, versus 10/10 for the best month here.

Expect low-season pricing, and crowds are light for this destination.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.

If your dates are flexible, January is materially better in Santiago — 2.6 points higher on the same scale.

July ranks 10th of 12 for Santiago — one of the best windows

Best window · 8.8/10

Expect 11°C (51°F) in July. A good month for city streets, viewpoints and long meals; leave swimming for another season.

With around 33 mm of rain, any showers tend to pass through rather than settle in; about 25 days with 6+ hours of sunshine and 10.2 hours of daylight fill the rest.

On our climate-comfort scale this is one of the strongest months of the year for Santiago at 8.8/10 (10th of 12), just behind January at 10/10.

Budget for mid-season pricing, and crowds are moderate.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in.

August in Santiago — reliably good (12th best month)

Good · 7.3/10

August averages 11°C (52°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

Monthly rainfall reaches 101 mm — wet for this destination — but about 22 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.

It scores 7.3/10 here, 12th of 12 months, against 10/10 in the destination's best month.

Figure on low-season pricing, with crowds are light for this destination.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella.

Flexible dates? January scores 2.7 points higher here — enough to change the trip.

September is one of the strongest months in Santiago (8th)

Best window · 9.2/10

September averages 13°C (55°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Expect 33 mm of rain — occasional showers rather than washed-out days — alongside about 25 days with 6+ hours of sunshine and 11.9 daylight hours.

A 9.2/10 puts this among the year's best months in Santiago (8th of 12); only January scores higher, at 10/10.

Figure on mid-season pricing, with crowds are moderate.

Pack layers you can shed by midday plus one warm layer for the evening.

October in Santiago — one of the year's strongest windows (3rd)

Best window · 10/10

Temperatures hover around 16°C (60°F) — the kind of month where neither heat nor cold forces the schedule.

With around 18 mm of rain, any showers tend to pass through rather than settle in; about 29 days with 6+ hours of sunshine and 12.9 hours of daylight fill the rest.

On our climate-comfort scale this is one of the strongest months of the year for Santiago at 10/10 (3rd of 12), just behind January at 10/10.

Budget for peak pricing, and crowds are moderate. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

Pack layers you can shed by midday plus one warm layer for the evening.

November is one of the strongest months in Santiago (4th)

Best window · 10/10

Temperatures hover around 18°C (65°F) — the kind of month where neither heat nor cold forces the schedule.

At just 14 mm for the month, rain will not shape your plans; you get about 28 days with 6+ hours of sunshine and 13.8 hours of daylight.

On our climate-comfort scale this is one of the strongest months of the year for Santiago at 10/10 (4th of 12), just behind January at 10/10.

Budget for peak pricing, and this is one of the busiest months here.

Pack layers you can shed by midday plus one warm layer for the evening.

December ranks 5th of 12 for Santiago — one of the best windows

Best window · 10/10

December averages 21°C (69°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.

Rain is a non-issue at 2 mm for the month, with about 30 days with 6+ hours of sunshine and 14.3 hours of daylight to work with.

A 10/10 puts this among the year's best months in Santiago (5th of 12); only January scores higher, at 10/10.

Plan for peak pricing, with this is one of the busiest months here.

Pack light clothing, a hat and real sun protection.

FAQ

Frequently asked

When is the best time to visit Santiago, Chile?
In Ideal Weather mode, the best months to visit Santiago are January, February, October, November, December, March. January is the single peak month with an Ideal Weather score of 10.0/10 based on temperature, rainfall, humidity, daylight and days with 6+ hours of sunshine.
What is the weather like in Santiago year-round?
Santiago has a climate profile suited to sightseeing and cultural travel. Average monthly temperatures range from 11°C in July to 22°C in February, with Ideal Weather scores between 7.3 and 10.0 out of 10.
Which months should I avoid in Santiago?
The lowest Ideal Weather-scoring months in Santiago are August (7.3/10), June (7.4/10), July (8.8/10). These months typically combine less comfortable temperatures, higher rainfall or fewer days with 6+ hours of sunshine.
When is the rainy season in Santiago?
August is the wettest month in Santiago, averaging about 101 mm of rainfall. December is the driest, at roughly 2 mm.
Which is the sunniest month in Santiago?
January sees the most sun in Santiago, with about 31 days with 6+ hours of sunshine on average - ideal for outdoor plans.
Is Santiago a good destination for sightseeing and cultural travel?
Santiago is well suited to sightseeing and cultural travel. Its highest Ideal Weather window (January, February, October, November, December, March) aligns with the conditions travelers usually look for in this style of trip.
How is the bestime.to score for Santiago calculated?
Each month receives an Ideal Weather score from 0-10 using ERA5 climate normals for Santiago: temperature comfort, precipitation, humidity, daylight hours, and days with 6+ hours of sunshine - weighted for sightseeing and cultural travel.

Climate data: Open-Meteo ERA5 historical archive, the five most recent complete years (2021–2025). Scores are monthly averages for that window, not forecasts, and short-window precipitation can differ from longer-term normals. “Sunny days” count days with at least 6 hours of measured sunshine — they are not dry days.

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