Mountain town in Santa Cruz, Argentina
El Chaltén weather by month and the best time to visit
When to go to El Chaltén
Dec–Mar has the longest days and open trails; Feb–Mar is calmer and less crowded than Jan. Apr–May is cold with changing colours; Jun–Sep most businesses close.
El Chaltén weather by month
Average daily high, rainfall and conditions.
- Jan10°156 mm
- Feb11°125 mm
- Mar10°154 mm
- Apr8°160 mm
- May5°154 mm
- Jun2°156 mm
- Jul2°130 mm
- Aug3°134 mm
- Sep5°116 mm
- Oct7°130 mm
- Nov8°143 mm
- Dec10°153 mm
Monthly averages
| Month | High | Low | Rain | Humidity | Conditions |
|---|---|---|---|---|---|
| January | 10°C51°F | 5°C42°F | 156 mm | 82% | Cold |
| February | 11°C52°F | 6°C42°F | 125 mm | 83% | Cool |
| March | 10°C49°F | 4°C40°F | 154 mm | 85% | Cold |
| April | 8°C46°F | 3°C37°F | 160 mm | 87% | Rainy |
| May | 5°C41°F | 0°C32°F | 154 mm | 90% | Cold |
| June | 2°C36°F | -2°C28°F | 156 mm | 92% | Freezing |
| July | 2°C35°F | -3°C26°F | 130 mm | 92% | Freezing |
| August | 3°C37°F | -2°C28°F | 134 mm | 91% | Freezing |
| September | 5°C41°F | 0°C32°F | 116 mm | 88% | Cold |
| October | 7°C45°F | 2°C35°F | 130 mm | 84% | Cold |
| November | 8°C47°F | 3°C37°F | 143 mm | 82% | Cold |
| December | 10°C50°F | 4°C40°F | 153 mm | 82% | Cold |
Best months across Argentina
| Place | Best months | Warmest month |
|---|---|---|
| Buenos Aires | Mar–May, Oct–Nov | Jan (28°C) |
| Mendoza | Mar–May, Oct–Nov | Jan (33°C) |
| Bariloche | Jul–Aug, Dec–Mar | Feb (22°C) |
| El Calafate | Nov–Mar | Feb (15°C) |
| El Chaltén | Dec–Mar | Feb (11°C) |
| Ushuaia | Dec–Mar | Feb (12°C) |
| Salta | Apr–May, Sep–Oct | Nov (32°C) |
| Puerto Iguazú | Apr–Jun, Sep–Oct | Jan (32°C) |
| Córdoba | Mar–May, Sep–Nov | Jan (32°C) |
| Puerto Madryn | Sep–Nov | Jan (27°C) |
| Mar del Plata | Dec–Mar | Jan (24°C) |
| Quebrada de Humahuaca | Apr–May, Sep–Oct | Nov (28°C) |
| Cafayate | Mar–May, Sep–Oct | Nov (30°C) |
| Rosario | Mar–May, Oct–Nov | Jan (33°C) |
Quick answers
What is the best month to visit El Chaltén?
Dec–Mar. Dec–Mar has the longest days and open trails; Feb–Mar is calmer and less crowded than Jan. Apr–May is cold with changing colours; Jun–Sep most businesses close.
When is the rainy season in El Chaltén?
Rain peaks in April with about 160 mm. Months with 150 mm or more: Mar–Jun, Dec–Jan.
What is the hottest month in El Chaltén?
February, with average highs of 11°C (52°F).
How cold does El Chaltén get?
The coolest nights are in July, averaging -3°C (26°F).
More about El Chaltén
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Sources
Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Temperatures are adjusted by 4.5°C for the city's elevation. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.