Buenos Aires Climate by Month
Buenos Aires, Buenos Aires F.D., Argentina
Warm summers and mild winters, with rain spread through the year.
Warm summers and mild winters, with rain spread through the year: that's Buenos Aires's climate in short. Expect highs of 86°F (30°C) in January and 59°F (15°C) in July, with the coldest nights (July) near 44°F (7°C). It gets 47 in (1187 mm) of rain a year, spread across the months.
- Warmest month
- 86°F(30°C)
- Average high, January
- Coldest nights
- 44°F(7°C)
- Average low, July
- Rain per year
- 47 in(1187 mm)
- No clear rainy season
- Humidity
- 70%
- Sunniest: December
Best and worst months in Buenos Aires
Best for weatherThe most comfortable weather comes in April, October and November, with highs around 74°F (24°C) and about 4.4 in (112 mm) of rain a month.
Least pleasantJune and July are the least pleasant; July is the coldest, with highs of only 59°F (15°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in April.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Buenos Aires weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 86°F(30°C) | 66°F(19°C) | 4.2 in(106 mm) | 62% | 6.1 |
| FebFebruary | 83°F(28°C) | 65°F(18°C) | 4.3 in(109 mm) | 66% | 5.6 |
| MarMarch | 80°F(26°C) | 62°F(17°C) | 4.4 in(112 mm) | 70% | 4.9 |
| AprAprilBest | 73°F(23°C) | 56°F(13°C) | 4.0 in(102 mm) | 73% | 3.8 |
| MayMay | 66°F(19°C) | 50°F(10°C) | 3.5 in(89 mm) | 78% | 2.3 |
| JunJune | 60°F(16°C) | 46°F(8°C) | 3.5 in(89 mm) | 80% | 1.7 |
| JulJuly | 59°F(15°C) | 44°F(7°C) | 3.5 in(90 mm) | 77% | 1.8 |
| AugAugust | 63°F(17°C) | 46°F(8°C) | 3.0 in(76 mm) | 69% | 2.5 |
| SepSeptember | 67°F(19°C) | 49°F(10°C) | 3.0 in(77 mm) | 67% | 3.4 |
| OctOctoberBest | 73°F(23°C) | 55°F(13°C) | 5.0 in(126 mm) | 70% | 4.9 |
| NovNovemberBest | 78°F(26°C) | 59°F(15°C) | 4.3 in(108 mm) | 67% | 5.8 |
| DecDecember | 84°F(29°C) | 64°F(18°C) | 4.1 in(103 mm) | 60% | 6.3 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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