Best Time to Hike Greater Patagonian Trail Section 21: Valle el Callao
Month-by-month temperatures and rainfall for Greater Patagonian Trail Section 21: Valle el Callao, Chile, based on 2-year climate normals.
Month-by-month weather on Greater Patagonian Trail Section 21: Valle el Callao
| Month | Avg high | Avg low | Rainfall | Rainy days |
|---|---|---|---|---|
| January | 59°F15°C | 38°F3°C | 60 mm | 9 |
| February | 56°F14°C | 38°F3°C | 121 mm | 11 |
| March | 49°F10°C | 34°F1°C | 222 mm | 18 |
| April | 42°F5°C | 30°F-1°C | 379 mm | 19 |
| May | 33°F0°C | 23°F-5°C | 419 mm | 19 |
| June | 31°F-1°C | 22°F-6°C | 446 mm | 23 |
| July | 34°F1°C | 20°F-6°C | 230 mm | 14 |
| August | 34°F1°C | 22°F-6°C | 275 mm | 15 |
| September | 33°F1°C | 22°F-5°C | 409 mm | 24 |
| October | 42°F6°C | 26°F-3°C | 165 mm | 16 |
| November | 47°F8°C | 30°F-1°C | 190 mm | 16 |
| December | 52°F11°C | 34°F1°C | 158 mm | 16 |
Highlighted rows are the recommended hiking window. Climate normals via Open-Meteo (2-year average). Mountain weather varies — always check a live forecast before you set off.
The best months to hike Greater Patagonian Trail Section 21: Valle el Callao are January. Expect daytime highs around 59°F15°C and nights near 37°F3°C.
Pack warm layers and a proper insulating jacket — nights get cold even in the best window.
Full route guide, interactive map and free GPX download.
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