Argentina
Argentina in August
Where it is warm, dry and good for swimming in Argentina in August — compared across the country’s main destinations.
Quick answers
- Where is it warmest in Argentina in August?
- Puerto Iguazú is the warmest of the 16 destinations compared, with highs of 25°C (77°F) in August; Ushuaia is the coolest at 5°C (40°F).
- Can you swim in the sea in Argentina in August?
- Hardly: even the warmest water, at Buenos Aires (13°C (56°F)), stays below 21 °C.
Warmest
25°
Puerto Iguazú
Coolest
5°
Ushuaia
Driest
1 mm
Humahuaca
Warmest sea
13°
Buenos Aires
Puerto Iguazú is the warm end of Argentina in August (25°C (77°F)); Ushuaia the cool end (5°C (40°F)). On average it is 2 °C (4 °F) warmer than July. Most destinations stay largely dry. Best bets this month: Salta, Catamarca, and San Miguel de Tucumán.
Best places in Argentina in August
94 
Salta
Salta · Argentina
22° / 5° 4 mm Aug
100
Catamarca
Catamarca · Argentina
23° / 7° 6 mm Aug
97
San Miguel de Tucumán
Tucuman · Argentina
23° / 8° 13 mm Aug
86
Córdoba
Cordoba · Argentina
19° / 6° 13 mm Aug
95
San Salvador de Jujuy
Jujuy · Argentina
21° / 6° 7 mm Aug
.JPG.avif)
97
La Rioja
La Rioja · Argentina
21° / 6° 6 mm Aug
96
Cafayate
Salta · Argentina
21° / 5° 1 mm Aug
96
Santiago del Estero
Santiago del Estero · Argentina
24° / 7° 5 mm Aug
Weather in August by city
| Place | Day | Night | Rain | Sea | Score |
|---|---|---|---|---|---|
| Salta | 22° | 5° | 4 mm | — | 94 |
| Córdoba | 19° | 6° | 13 mm | — | 86 |
| San Juan | 19° | 3° | 5 mm | — | 86 |
| Humahuaca | 19° | 0° | 1 mm | — | 83 |
| Puerto Iguazú | 25° | 11° | 116 mm | — | 81 |
| Mendoza | 17° | 3° | 8 mm | — | 78 |
| Rosario | 18° | 6° | 36 mm | — | 75 |
| Buenos Aires | 17° | 8° | 75 mm | 13° | 66 |
| Neuquén | 16° | 1° | 14 mm | — | 66 |
| Puerto Madryn | 14° | 3° | 11 mm | — | 63 |
| La Plata | 16° | 6° | 67 mm | 13° | 63 |
| Mar del Plata | 14° | 4° | 50 mm | — | 56 |
| El Calafate | 7° | -1° | 22 mm | — | 30 |
| El Chaltén | 7° | -1° | 67 mm | — | 29 |
| Ushuaia | 5° | 0° | 34 mm | — | 23 |
| Bariloche | 8° | -1° | 146 mm | — | 20 |
Frequently asked questions
What is the weather like in Argentina in August?
Average daytime highs range from 5° in Ushuaia to 25° in Puerto Iguazú.
Can you swim in Argentina in August?
The sea is cool: the warmest water is around Buenos Aires at about 13°.