Planning a Trip to Buenos Aires? Here's the Weather
See what weather to expect in Buenos Aires, Argentina and plan your trip with confidence. Monthly averages from real historical weather data.
Buenos Aires runs on a temperate rhythm that flips the northern calendar — its warmest months land in December and January, and the city's café culture and sprawling art museums make it rewarding in almost any season. Rainfall is fairly consistent year-round, with March the soggiest month at 139mm, so indoor anchors like the city's excellent history and fine-arts museums are never a bad fallback plan.
Written by Leo Vicente, founder & engineer who loves to travel
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21°C
Avg. high
14°C
Avg. low
1013mm
Yearly rainfall
5
Best months
Travel Window Score · 7.7/10
Buenos Aires's best travel month is November — around 9 rain days and daytime highs near 25°C, on a 10-year historical average (climatology tier).
Climatology · 10-YR AVG · How we forecast →
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Start PlanningMonthly Temperature & Rainfall
29°
21°
74mm
Jan
28°
21°
85mm
Feb
25°
19°
139mm
Mar
21°
15°
115mm
Apr
17°
11°
89mm
May
15°
8°
49mm
Jun
14°
8°
71mm
Jul
16°
9°
62mm
Aug
18°
11°
73mm
Sep
21°
14°
89mm
Oct
25°
17°
84mm
Nov
28°
19°
83mm
Dec
What Weather to Expect in Buenos Aires
Buenos Aires typically has the most favorable weather for travel during January, February, October, November, December, with comfortable temperatures and relatively low rainfall — ideal conditions for sightseeing and outdoor activities.
Best Time to Visit Buenos Aires
October through February offer the most comfortable temperatures for exploring on foot, with highs ranging from around 21°C in October to a peak near 29°C in January — warm enough for the city's outdoor plazas and street life without the heavier rains of autumn. This is the window when Buenos Aires feels most alive at street level.
The best time to visit Buenos Aires is October through February, when daytime highs average around 26°C and rainfall stays low at roughly 83mm per month. These months offer the most comfortable conditions for sightseeing, outdoor activities, and exploring the city at a relaxed pace. January is typically the driest of these months, with only around 74mm of precipitation.
The cooler months of mid-year bring highs that dip to 14°C and 15°C, which won't stop a determined visitor but can make long days of outdoor sightseeing less appealing.
Buenos Aires Weather by Season
Spring
Spring (March–May) brings mild weather to Buenos Aires, with highs averaging 21°C and lows around 15°C. The season is quite wet, accumulating around 343mm total with roughly 8 rainy days per month.
Summer
Summer (June–August) brings cool weather to Buenos Aires, with highs averaging 15°C and lows around 8°C. The season is moderately wet, accumulating around 182mm total with roughly 7 rainy days per month.
Autumn
Autumn (September–November) brings mild weather to Buenos Aires, with highs averaging 21°C and lows around 14°C. The season is moderately wet, accumulating around 246mm total with roughly 8 rainy days per month.
Winter
Winter (December–February) brings warm weather to Buenos Aires, with highs averaging 28°C and lows around 20°C. The season is moderately wet, accumulating around 242mm total with roughly 8 rainy days per month.
Things to do in Buenos Aires
Handpicked activities you can book now, matched to typical weather in Buenos Aires.
Climate data is a 10-year historical average (2016–2025), averaged across a wide area rather than a single weather station. Temperatures in Celsius. How we forecast →