Buenos Aires Climate and Average Weather
Climate of Buenos Aires: average temperatures, rainfall and seasons month by month.
Climate in Buenos Aires month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 84° | 70° | 1,9 in | ★★★★★ |
| February | 85° | 71° | 3,5 in | ★★★★☆ |
| March | 79° | 66° | 8,2 in | ★★★☆☆ |
| April | 71° | 58° | 5,0 in | ★★★★☆ |
| May | 62° | 50° | 3,6 in | ★★★★☆ |
| June | 59° | 47° | 1,8 in | ★★★★☆ |
| July | 57° | 45° | 1,9 in | ★★★★☆ |
| August | 60° | 48° | 3,3 in | ★★★☆☆ |
| September | 66° | 52° | 2,2 in | ★★★★☆ |
| October | 73° | 57° | 3,1 in | ★★★★☆ |
| November | 77° | 62° | 4,6 in | ★★★★☆ |
| December | 82° | 66° | 3,2 in | ★★★★☆ |
Climate type: Temperate. Source: Open-Meteo archive (ERA5).
Recent extremes in Buenos Aires
Highest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Buenos Aires compares with nearby places
Annual averages, and the difference against Buenos Aires.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Uruguay | 128 mi | 62°F | 34°F cooler | 32 in |
Climate by airport in Buenos Aires
1 airports mapped in this atlas
Best time to visit Buenos Aires
Go in January, September and December. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: March, July and August - expect the least comfortable mix of heat, cold or rain.
What this means for Buenos Aires
Today is slightly cooler than average for September. The forecast high of 62°F is 4.3°F below the 66°F typical for this month.
Rain is very unlikely today - plans do not need a backup.
Gusts to 49 mph will push high-sided vehicles on exposed roads and bridges.
Southern Hemisphere, so peak summer falls in December to February.
The gap between the warmest and coldest month averages 59°F.
What to pack, what to skip
- Layers - the daily swing is 62°F, so mornings feel nothing like afternoons
- Avoid exposed ridgelines, small boats and rooftop viewpoints while gusts stay above 49 mph.
- If your dates are flexible, avoid March, July and August - historically the least comfortable months here.
Summary
Buenos Aires is a city in Argentina. Buenos Aires is known for Tango, steak and European boulevards. It has a population of about 3.1 million.
Right now it is 59°F (15°C) in Buenos Aires with clear. It feels like 54°F. Today runs from 52°F to 62°F. Chance of precipitation is 4%. Sightseeing conditions score 9.3/10 - excellent - go now.
The best time to visit Buenos Aires is January, September and December. The climate is temperate. March, July and August tend to be the least comfortable months. February is the warmest month with average highs near 85°F, while July is the coldest with lows near 45°F.
The closest major airport is Ezeiza International Airport (EZE), about 17 mi away.
In plain terms. Today is slightly cooler than average for September. The forecast high of 62°F is 4.3°F below the 66°F typical for this month. The best window to be outside is roughly 12 PM to 3 PM, when temperature, rain chance and wind line up best. stargazing is the strongest bet in Buenos Aires today at 9.9/10. Gusts to 49 mph will push high-sided vehicles on exposed roads and bridges.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about Buenos Aires
| Type | City |
|---|---|
| Country | Argentina |
| Continent | South America |
| Coordinates | 34°36′13.3″S 58°22′53.8″W (-34.6037, -58.3816) |
| Population | 3.100.000 |
| Known for | Tango, steak and European boulevards |
| Local time | 1:28 AM (UTC-03:00) |
| Best months | January, September and December |
| Climate | Temperate |
Weather map for Buenos Aires
Animated model layers. Pick a layer to load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Explore Buenos Aires
Every topic we hold for this place, and the same topic for the places around it.
Climate for related places
Frequently asked questions
Where is Buenos Aires?
Buenos Aires is a city in Argentina. Its coordinates are -34.6037, -58.3816. It lies in South America.
What is the weather like in Buenos Aires right now?
It is currently 59°F (15°C) with clear. Humidity is 64% and wind is 10 mph.
When is the best time to visit Buenos Aires?
January, September and December offer the most comfortable conditions in Buenos Aires, which has a temperate climate. March, July and August are usually the hardest months for outdoor plans.
What time zone is Buenos Aires in?
Buenos Aires observes America/Argentina/Buenos_Aires (UTC-03:00). The local time is 1:28 AM.
How many people live in Buenos Aires?
Buenos Aires has a population of approximately 3.1 million.
What is the nearest airport to Buenos Aires?
The closest airports are Ezeiza International Airport (EZE), 17 mi away.
What places are in Buenos Aires?
Buenos Aires covers 1 places in this atlas, including Ezeiza International Airport.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (cities-world) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated September 21, 2026 at 1:28 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
