Climate Chart of Buenos Aires, Argentina
Monthly data: Temperature °C, Rain (mm), Sunshine (h) · 2013–2023
For Buenos Aires, Argentina, the climate data cover 2013–2023. The monthly mean temperature reaches January at 24.4 °C and falls to July at 10.9 °C, giving a broad sense of the annual temperature range without describing daytime highs. Mean daily rainfall also varies by month, while sunshine duration provides another useful guide to changing outdoor conditions. These averages describe typical monthly patterns, not the weather on any particular day.
Climate overview
Temperature
The highest monthly mean temperature occurs in January, at 24.4 °C; this is a monthly average, not a daytime maximum. At the cooler end, July has the lowest monthly mean, 10.9 °C, so visitors prioritising cooler average temperatures may prefer that month. The unweighted mean across the calendar months is 17.5 °C; it is not a day-weighted annual average and does not capture daily fluctuations.
Rain
Mean daily rainfall is highest in February, at 3.39 mm/day, and lowest in August, at 1.47 mm/day. The latter may suit visitors prioritising lower average rainfall, while the higher monthly mean is a reason to prepare for possible rain. These are daily mean amounts, not monthly totals, and they do not show how often rain falls or guarantee dry weather. The unweighted mean across calendar-month means is 2.71 mm/day.
Sunshine
Mean daily sunshine duration peaks in December at 12.07 hours/day, while July records the lowest mean, 6.78 hours/day. This can help with planning outdoor time around typical sunshine, but sunshine duration is not the same as day length and does not predict conditions on an individual day. The unweighted mean across calendar-month means is 9.27 hours/day.
Best Travel Time Guide for Buenos Aires, Argentina: Ideal Seasons and Weather Insights
For travel weather, visitors who prioritise lower average rainfall could consider August, when mean daily rainfall is 1.47 mm/day; this is a comparison of averages, not a promise of rain-free days or a measure of rain frequency. In February, the mean is 3.39 mm/day, so packing rain protection is a sensible precaution. Those seeking cooler monthly mean temperatures may prefer July, with a mean of 10.9 °C; this does not specify daytime highs or the conditions of a particular visit. For outdoor sightseeing planned around typical sunshine, December has the highest mean daily sunshine duration, 12.07 hours/day, while July has the lowest, 6.78 hours/day. Sunshine hours can inform planning, but they are not a measure of daylight length or a guarantee of clear weather.
Climate Data Overview for Buenos Aires, Argentina
Explore the comprehensive climate data for Buenos Aires, Argentina. This detailed table provides valuable insights into temperature variations, precipitation levels, and seasonal changes, helping you understand the unique weather patterns of this region.
| Month | Average: Temperature °C | Rain (mm) / day | Snow (mm) / day | Sunshine (h) / day |
|---|---|---|---|---|
| Jan | 24.4 | 2.89 | 0.00 | 11.49 |
| Feb | 23.4 | 3.39 | 0.00 | 10.85 |
| Mar | 21.2 | 3.38 | 0.00 | 10.05 |
| Apr | 18.2 | 3.23 | 0.00 | 8.26 |
| May | 14.3 | 2.61 | 0.00 | 7.30 |
| Jun | 11.3 | 1.56 | 0.00 | 6.99 |
| Jul | 10.9 | 2.66 | 0.00 | 6.78 |
| Aug | 12.3 | 1.47 | 0.00 | 8.26 |
| Sep | 14.1 | 2.67 | 0.00 | 8.53 |
| Oct | 16.8 | 2.73 | 0.00 | 9.67 |
| Nov | 20.3 | 3.18 | 0.00 | 10.98 |
| Dec | 23.3 | 2.69 | 0.00 | 12.07 |
| Average | 17.5 | 2.71 | 0.00 | 9.27 |
