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Best Time for the Carretera Austral
Sweet spot: April, September, October — computed from NASA POWER climate normals across the route's overnight towns, balancing temperature, rainfall and daylight.
Patagonian summer: 17 h of light and every ferry running — still pack for four seasons a day.
Winter thins ferries to a trickle and gravel turns to ice — most travelers wait for October.
| Month | Temp | Rain | Daylight | |
|---|---|---|---|---|
| January | -0.5–29.8°C | 64 mm | 15.0 h | ❄ |
| February | -0.6–32.2°C | 54 mm | 13.8 h | ❄ |
| March | -2.7–27.2°C | 74 mm | 12.4 h | ❄ |
| April | -4.4–22.7°C | 83 mm | 10.8 h | ❄ |
| May | -8.4–17.4°C | 118 mm | 9.4 h | ❄ |
| June | -12.7–11.6°C | 130 mm | 8.7 h | ❄ |
| July | -14.9–10.5°C | 104 mm | 8.9 h | ❄ |
| August | -12.3–13.5°C | 105 mm | 10.1 h | ❄ |
| September | -6.6–17.9°C | 63 mm | 11.7 h | ❄ |
| October | -4.9–22.7°C | 87 mm | 13.3 h | ❄ |
| November | -3.6–24.9°C | 80 mm | 14.7 h | ❄ |
| December | -1.8–28.4°C | 68 mm | 15.4 h | ❄ |