- WinterJun–Aug9°16°
- June9°16°
- July8°16°
- August9°17°
- SpringSep–Nov14°22°
- September11°19°
- October14°22°
- November17°25°
- SummerDec–Feb20°28°
- December19°28°
- January21°29°
- February20°28°
- AutumnMar–May15°23°
- March18°26°
- April15°23°
- May12°19°
Buenos Aires, Buenos Aires F.D. Weather by Month and Climate Averages
Buenos Aires, Buenos Aires F.D. gets 881 mm of precipitation a year over about 65 rainy days. January is the warmest month (average high 29°C) and July the coldest (average low 8°C).
Buenos Aires climate at a glance
Buenos Aires, Buenos Aires F.D. has hot summers and mild winters. Daytime highs range from about 15°C in July to 29°C in January. February is usually the wettest month. The most comfortable time to visit is typically March to May and August to November, when daytime highs sit near 22°C.
How much rain does Buenos Aires get?
Buenos Aires gets 881 mm of precipitation in an average year, spread over about 65 days with measurable rain. That is more rainy days than 72% of Argentina.
February is the wettest month, with 99 mm. June is the driest, with 39 mm. October has the most rainy days, about 6.
Buenos Aires weather by month
Buenos Aires weather in January
In January, Buenos Aires averages a high of 29°C and a low of 21°C. It gets 94 mm of precipitation over about 6 rainy days. The sun is out about 65% of daylight hours. The January record high is 38°C (2012) and the record low is 11°C (1982).
Buenos Aires weather in February
In February, Buenos Aires averages a high of 28°C and a low of 20°C. It gets 99 mm of precipitation over about 5 rainy days. The sun is out about 62% of daylight hours. The February record high is 37°C (2023) and the record low is 8°C (2023).
Buenos Aires weather in March
In March, Buenos Aires averages a high of 26°C and a low of 18°C. It gets 78 mm of precipitation over about 5 rainy days. The sun is out about 60% of daylight hours. The March record high is 36°C (1980) and the record low is 7°C (1976). March is one of the most comfortable months to visit.
Buenos Aires weather in April
In April, Buenos Aires averages a high of 23°C and a low of 15°C. It gets 90 mm of precipitation over about 6 rainy days. The sun is out about 60% of daylight hours. The April record high is 32°C (2019) and the record low is 5°C (1979). April is one of the most comfortable months to visit.
Buenos Aires weather in May
In May, Buenos Aires averages a high of 19°C and a low of 12°C. It gets 66 mm of precipitation over about 5 rainy days. The sun is out about 54% of daylight hours. The May record high is 29°C (2009) and the record low is 1°C (2007). May is one of the most comfortable months to visit.
Buenos Aires weather in June
In June, Buenos Aires averages a high of 16°C and a low of 9°C. It gets 39 mm of precipitation over about 4 rainy days. The sun is out about 45% of daylight hours. The June record high is 28°C (1994) and the record low is -2°C (1981).
Buenos Aires weather in July
In July, Buenos Aires averages a high of 16°C and a low of 8°C. It gets 54 mm of precipitation over about 5 rainy days. The sun is out about 53% of daylight hours. The July record high is 27°C (2008) and the record low is -2°C (1977).
Buenos Aires weather in August
In August, Buenos Aires averages a high of 17°C and a low of 9°C. It gets 53 mm of precipitation over about 5 rainy days. The sun is out about 54% of daylight hours. The August record high is 32°C (2009) and the record low is 0°C (1976). August is one of the most comfortable months to visit.
Buenos Aires weather in September
In September, Buenos Aires averages a high of 19°C and a low of 11°C. It gets 66 mm of precipitation over about 5 rainy days. The sun is out about 52% of daylight hours. The September record high is 31°C (2019) and the record low is 0°C (1976). September is one of the most comfortable months to visit.
Buenos Aires weather in October
In October, Buenos Aires averages a high of 22°C and a low of 14°C. It gets 82 mm of precipitation over about 6 rainy days. The sun is out about 60% of daylight hours. The October record high is 34°C (2022) and the record low is 0°C (1976). October is one of the most comfortable months to visit.
Buenos Aires weather in November
In November, Buenos Aires averages a high of 25°C and a low of 17°C. It gets 80 mm of precipitation over about 6 rainy days. The sun is out about 63% of daylight hours. The November record high is 36°C (2021) and the record low is 3°C (1978). November is one of the most comfortable months to visit.
Buenos Aires weather in December
In December, Buenos Aires averages a high of 28°C and a low of 19°C. It gets 80 mm of precipitation over about 6 rainy days. The sun is out about 65% of daylight hours. The December record high is 38°C (2019) and the record low is 9°C (1974).
Sunshine, humidity and wind in Buenos Aires
January is the sunniest month in Buenos Aires, with sunshine about 65% of daylight hours. June is the cloudiest, at 45%. Over the year the sun shines about 58% of daylight hours. Buenos Aires is cloudier than 66% of Argentina.
Humidity peaks in June at 76% and is lowest in December at 63%.
Buenos Aires has about 6 days a year above 32°C. Buenos Aires is cooler than 90% of Argentina.
Buenos Aires weather records
The hottest temperature on record at the Buenos Aires station is 38°C, on December 27, 2013. The coldest is -2°C, on July 16, 1977.
The wettest day on record brought 250 mm of rain, on August 25, 1979.
28 all-time records have been set at the station since 1973.
The best time to visit Buenos Aires
The most comfortable time to visit is typically March to May and August to November, when daytime highs sit near 22°C.
Winter (June–August) is mild, with average highs around 16°C and lows near 9°C.
Spring (September–November) is warm, with average highs around 22°C and lows near 14°C.
Summer (December–February) is hot, with average highs around 29°C and lows near 20°C.
Autumn (March–May) is warm, with average highs around 23°C and lows near 15°C.
Monthly climate
| Month | Precip | Rain days | Humidity | Sunshine | Sea temp | Record high | Record low |
|---|---|---|---|---|---|---|---|
| January | 94 mm | 6 | 64% | 65% | -3° | 38° | 11° |
| February | 99 mm | 5 | 67% | 62% | -3° | 37° | 8° |
| March | 78 mm | 5 | 72% | 60% | -4° | 36° | 7° |
| April | 90 mm | 6 | 74% | 60% | -6° | 32° | 5° |
| May | 66 mm | 5 | 74% | 54% | -8° | 29° | 1° |
| June | 39 mm | 4 | 76% | 45% | -9° | 28° | -2° |
| July | 54 mm | 5 | 75% | 53% | -11° | 27° | -2° |
| August | 53 mm | 5 | 70% | 54% | -10° | 32° | 0° |
| September | 66 mm | 5 | 71% | 52% | -9° | 31° | 0° |
| October | 82 mm | 6 | 67% | 60% | -7° | 34° | 0° |
| November | 80 mm | 6 | 65% | 63% | -5° | 36° | 3° |
| December | 80 mm | 6 | 63% | 65% | -4° | 38° | 9° |
From ERA5 reanalysis. Sunshine is estimated from cloud cover.
Buenos Aires climate questions
How much rain does Buenos Aires get?
Buenos Aires gets 881 mm of precipitation in an average year, over about 65 rainy days.
What is the wettest month in Buenos Aires?
February is the wettest month in Buenos Aires, with 99 mm. June is the driest, with 39 mm.
How many rainy days does Buenos Aires have a year?
Buenos Aires has about 65 days with measurable rain in an average year. October has the most, about 6.
What is the hottest month in Buenos Aires?
January is the warmest month in Buenos Aires, with an average high of 29°C.
What is the coldest month in Buenos Aires?
July is the coldest month in Buenos Aires, with an average low of 8°C.
What is the record high temperature in Buenos Aires?
The record high at the Buenos Aires station is 38°C, set on December 27, 2013. The record low is -2°C, on July 16, 1977.
What is the sunniest month in Buenos Aires?
January is the sunniest month in Buenos Aires, with sunshine about 65% of daylight hours. June is the cloudiest.
What is the best time to visit Buenos Aires?
The most comfortable time to visit is typically March to May and August to November, when daytime highs sit near 22°C.
Source: NOAA GHCN-Daily station AEROPARQUE JORGE NEWBERY (7 km away).
Climate for places near Buenos Aires, Buenos Aires F.D.
Normals from NOAA GHCN-Daily station AEROPARQUE JORGE NEWBERY.