Buenos Aires, Argentina: Annual Weather Averages
January is the hottest month in Buenos Aires with an average temperature of 25°C (77°F) and the coldest is June at 12°C (54°F) with the most daily sunshine hours at 9 in February. The wettest month is January with an average of 100mm of rain. The best month to swim in the sea is in January when the average sea temperature is 23°C (73°F).
Average Temperature: Buenos Aires
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 25 | 22 | 22 | 19 | 15 | 12 | 12 | 14 | 15 | 18 | 21 | 23 |
| °F | 77 | 72 | 72 | 66 | 59 | 54 | 54 | 57 | 59 | 64 | 70 | 73 |
Average High/Low Temperature: Buenos Aires
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °C | 29 | 25 | 26 | 22 | 19 | 16 | 15 | 17 | 19 | 22 | 25 | 28 |
| Low °C | 20 | 19 | 18 | 15 | 11 | 8 | 8 | 10 | 11 | 14 | 16 | 18 |
| High °F | 84 | 77 | 79 | 72 | 66 | 61 | 59 | 63 | 66 | 72 | 77 | 82 |
| Low °F | 68 | 66 | 64 | 59 | 52 | 46 | 46 | 50 | 52 | 57 | 61 | 64 |
Average Rainfall: Buenos Aires
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | 100 | 90 | 90 | 100 | 80 | 30 | 50 | 50 | 50 | 80 | 80 | 90 |
| Days | 9 | 8 | 9 | 10 | 7 | 9 | 8 | 8 | 8 | 11 | 10 | 9 |
Average Daily Sunshine Hours: Buenos Aires
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hours | 9 | 9 | 7 | 7 | 5 | 4 | 5 | 6 | 6 | 7 | 8 | 8 |
Average Sea Temperature: Buenos Aires
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 23 | 23 | 22 | 19 | 16 | 13 | 11 | 10 | 11 | 14 | 18 | 22 |
| °F | 73 | 73 | 72 | 66 | 61 | 55 | 52 | 50 | 52 | 57 | 64 | 72 |
