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Buenos Aires vs Santiago: weather compared

Across the year, Buenos Aires has the better travel weather in 2 months and Santiago in 9 — based purely on climate data, not opinion. Best months: Buenos Aires in February–May & September–December, Santiago in March–May & August–December.

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Buenos Aires · Argentina

January: 89 mm rainFebruary: 76 mm rainMarch: 162 mm rainApril: 91 mm rainMay: 54 mm rainJune: 63 mm rainJuly: 49 mm rainAugust: 58 mm rainSeptember: 56 mm rainOctober: 87 mm rainNovember: 85 mm rainDecember: 72 mm rainJanuary high: 28°CFebruary high: 27°CMarch high: 25°CApril high: 21°CMay high: 17°CJune high: 15°CJuly high: 14°CAugust high: 16°CSeptember high: 18°COctober high: 21°CNovember high: 25°CDecember high: 27°CJanuary low: 21°CFebruary low: 20°CMarch low: 19°CApril low: 15°CMay low: 10°CJune low: 9°CJuly low: 7°CAugust low: 8°CSeptember low: 11°COctober low: 13°CNovember low: 17°CDecember low: 19°CJFMAMJJASOND Avg high Avg low Rainfall

Santiago · Chile

January: 12 mm rainFebruary: 4 mm rainMarch: 3 mm rainApril: 16 mm rainMay: 30 mm rainJune: 97 mm rainJuly: 44 mm rainAugust: 65 mm rainSeptember: 31 mm rainOctober: 17 mm rainNovember: 8 mm rainDecember: 2 mm rainJanuary high: 30°CFebruary high: 30°CMarch high: 28°CApril high: 24°CMay high: 19°CJune high: 15°CJuly high: 15°CAugust high: 17°CSeptember high: 19°COctober high: 23°CNovember high: 26°CDecember high: 29°CJanuary low: 15°CFebruary low: 16°CMarch low: 14°CApril low: 12°CMay low: 9°CJune low: 7°CJuly low: 7°CAugust low: 7°CSeptember low: 9°COctober low: 10°CNovember low: 12°CDecember low: 14°CJFMAMJJASOND Avg high Avg low Rainfall

At a glance

MetricBuenos AiresSantiago
Hottest month high28°C30°C
Coldest month low7°C7°C
Annual rainfall943 mm329 mm
Avg sunshine9.8 h/day10.3 h/day
Best monthsFebruary–May & September–DecemberMarch–May & August–December

Travel score, month by month

MonthBuenos AiresSantiagoBetter weather
January 8.4 · Good 9.0 · Excellent Santiago
February 9.7 · Excellent 9.0 · Excellent Buenos Aires
March 9.5 · Excellent 10.0 · Excellent Santiago
April 9.7 · Excellent 10.0 · Excellent Santiago
May 9.7 · Excellent 10.0 · Excellent Santiago
June 7.7 · Good 7.8 · Good Santiago
July 7.5 · Good 8.7 · Excellent Santiago
August 8.8 · Excellent 9.3 · Excellent Santiago
September 10.0 · Excellent 10.0 · Excellent —
October 9.8 · Excellent 10.0 · Excellent Santiago
November 9.7 · Excellent 10.0 · Excellent Santiago
December 9.8 · Excellent 9.5 · Excellent Buenos Aires

More comparisons

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Frequently asked questions

Which has better weather, Buenos Aires or Santiago?

Santiago has the better travel weather in 9 of 12 months, versus 2 for Buenos Aires — based on temperature, rainfall and sunshine.

When is the best time to visit Buenos Aires?

The best months to visit Buenos Aires are February–May & September–December, based on six years of climate data.

When is the best time to visit Santiago?

The best months to visit Santiago are March–May & August–December, based on six years of climate data.

Where should you go next month?

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