30YearWeather
Buenos Aires
Buenos Aires weather and climate - scenic view of Buenos Aires, Argentina

Buenos Aires Weather Forecast

Plan your trip to Buenos Aires, Argentina with confidence. Based on 30 years of NASA satellite data, expect average temperatures of 21°C (high) to 14°C (low), with 489mm annual rainfall. The Río de la Plata averages 20°C for swimming. The best months to visit are January, February, March for optimal weather conditions. Explore daily forecasts for all 365 days.

Avg High
21°C

Peak in January

Avg Low
14°C

Coolest in July

Annual Rainfall
489mm

Heavy in February

Daily Sunshine
8hrs

Peak in dry season

Sea Temperature

Río de la Plata

19.5°C

Annual Average

Water Feel
🏊Pleasant

Comfortable for most swimmers

Swim Rating
👍Good for swimming

Based on average sea surface temperature

Body of Water
Río de la Plata

Buenos Aires coastline

Buenos Aires Monthly Weather Guide

Click any month to explore daily weather forecasts

Currency

ARS

$ Argentine peso

Language

Guaraní

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Driving

Right side

Connect

Cafés and restaurants commonly offer cus...

Safety

High Safety

GPI: 1.911

Best Time to Visit Buenos Aires

Location, climate overview & historical trends

Argentina

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Interactive Google Map

📍 34.6037° S, 58.3816° W

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Buenos Aires is a prominent destination in Argentina.

Located at 34.60°S latitude,Buenos Aires experiences a subtropical climate with distinct wet and dry seasons.

Based on 30 years of data, January is the warmest month (avg. 28°C), while July is the coolest. February sees the most rain (22% chance), making June the driest month.

Historical Climate Trend

30-Year Analysis

+1.11°C

Total over 30 years

+0.38°C

Per decade

Linear regression analysis of historical maximum temperatures for Buenos Aires, based on 1995-2024 satellite data from NASA POWER.

Best Time to Visit

NASA POWER Data (1991-2021)

January, February, March

Best months to visit

21°C

Avg High

Based on 30 years of NASA satellite data,Buenos Aires receives approximately 489mm of rainfall annually. These months offer optimal temperatures and minimal rain probability for your visit.

📊 30YearWeather🛰️ NASAView Full Guide →

Climate Trends

EXCLUSIVE

1995-2040 Temperature Trend

+0.3°C
By 2040
Historical (NASA)Projected (CMIP6)
1995← Historical | Projected →2040

1995 Avg

20.4°

2024 Avg

21.4°

2040 Proj

21.7°

Historical Rate

+0.38°C

per decade (observed)

Projected Rate

+0.21°C

per decade (CMIP6)

🌡️ Buenos Aires has warmed by +1.1°C since 1995. By 2040, an additional +0.3°C is projected (based on CMIP6 rate of 0.215°C/decade), for a total of +1.5°C from 1995 baseline.

NASA POWER (1995-2024) + CMIP6 (CMCC_CM2_VHR4, EC_Earth3P_HR, FGOALS_f3_H, HiRAM_SIT_HR, MRI_AGCM3_2_S, NICAM16_8S)

Travel Intelligence

Exclusive flight analytics & health data for Buenos Aires

Smart Flight Estimator

Airport-to-Airport Logistics

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Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Moderate
44/ 100
Traffic Index

Balanced traffic

Peak Daily Arrivals

0

slots per day

Peak

Dec

Low

Nov

Monthly Traffic Distribution

115
Jan
115
Feb
120
Mar
100
Apr
93
May
84
Jun
115
Jul
107
Aug
97
Sep
114
Oct
70
Nov
135
Dec
Traffic Level
Low Season

Key Connections

San Carlos de Bariloche (BRC)
Miami (MIA)
Tocumen (PTY)
Madrid Adolfo Suárez –Barajas (MAD)
Rio de Janeiro RIOgaleão – Tom Jobim (GIG)

Health & Safety Advisory

CDC travel health recommendations

8 Recommendations
COVID-19

All eligible travelers should be up to date with their COVID-19 vaccines. Please seeYour COVID-19 Vaccinationfor more information.

Chikungunya

All travelers should take steps to prevent mosquito bites. Chikungunya vaccination is generally not recommended. Travelers who wish to consider vaccination can visit “What to consider before traveling” on thechikungunya vaccinespage to learn more.

Hepatitis A

Recommended for unvaccinated travelers one year old or older going to Argentina.Infants 6 to 11 months old should also be vaccinated against Hepatitis A. The dose does not count toward the routine 2-dose series.Travelers allergic to a vaccine component should receive a single dose of immune globulin, which provides effective protection for up to 2 months depending on dosage given.Unvaccinated travelers who are over 40 years old, are immunocompromised, or have chronic medical conditions planning to depart to a risk area in less than 2 weeks should get the initial dose of vaccine and at the same appointment receive immune globulin.

Hepatitis B

Recommended for unvaccinated travelers younger than 60 years old traveling to Argentina. Unvaccinated travelers 60 years and older may get vaccinated before traveling to Argentina.

Measles

Cases of measles are on the rise worldwide. Travelers are at risk of measles if they have not been fully vaccinated at least two weeks prior to departure, or have not had measles in the past, and travel internationally to areas where measles is spreading.All international travelers should be fully vaccinated against measles with the measles-mumps-rubella (MMR) vaccine, including an early dose for infants 6–11 months, according toCDC’s measles vaccination recommendations for international travel.

Rabies

Dogs infected with rabies are not commonly found in Argentina.Rabies is commonly found in some terrestrial wildlife species and bats.If rabies exposures occur while in Argentina, rabies vaccines are typically available throughout most of the country.Rabies pre-exposure vaccination considerations include whether travelers 1) will be performing occupational or recreational activities that increase risk for exposure to potentially rabid animals and 2) might have difficulty getting prompt access to safe post-exposure prophylaxis.Please consult with a healthcare provider to determine whether you should receive pre-exposure vaccination before travel.For more information, seecountry rabies status assessments.

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Source: CDC Travelers' Health

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Buenos Aires Climate Data by Month

Historical temperature and precipitation averages

MonthAvg High C)Rain Probability (%)Status
January28°C20%✨ Perfect
February27°C22%✨ Perfect
March25°C21%✨ Perfect
April21°C20%✨ Perfect
May17°C16%😊 Pleasant
June14°C15%Neutral
July14°C16%Neutral
August16°C16%😊 Pleasant
September18°C17%😊 Pleasant
October21°C21%✨ Perfect
November24°C21%✨ Perfect
December27°C19%✨ Perfect

Weather in Cities Near Buenos Aires

Explore climate data for popular destinations within easy reach

Compare weather conditions with nearby destinations for your trip planning

Compare Buenos Aires Weather vs Popular Destinations

Similar Climate Destinations

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Buenos Aires:Avg 21°C19% rain

These destinations share similar weather patterns with Buenos Aires. Perfect alternatives if you're looking for the same climate in a different location.

Buenos Aires Weather FAQ

When is the best time to visit Buenos Aires?

Honestly, look for months with mild temperatures (20°C-25°C) and low rain chance. Based on historical data, January, February, March are usually great choices.

When is the hottest month in Buenos Aires?

January is historically the hottest month in Buenos Aires with average highs of 28°C.

When does it rain the most in Buenos Aires?

February typically sees the highest probability of rain (22%).

Is Buenos Aires expensive?

Prices vary by season. The "Perfect" weather months usually coincide with peak tourist season and higher prices, while the rainy or cold months offer better deals.