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Best Time for Cusco & the Sacred Valley
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Sweet spot: April, May, June. Computed from NASA POWER climate normals across the route's overnight towns, balancing temperature, rainfall and daylight.
💡 Good to know
- Dry season: crisp blue days, freezing nights, and peak Inca Trail demand — permits and Machu Picchu slots sell out months out.
- Wettest weeks — the Inca Trail closes for February maintenance; trains still run, ruins are moody and quiet.
| Month | Low | High | Rain | Daylight | |
|---|---|---|---|---|---|
| January | 4.8°C | 14.3°C | 131 mm | 12.7 h | |
| February | 4.7°C | 14.2°C | 128 mm | 12.4 h | |
| March | 4.5°C | 14.2°C | 98 mm | 12.1 h | |
| April | 4.6°C | 14.0°C | 43 mm | 11.7 h | |
| May | 3.9°C | 14.1°C | 10 mm | 11.4 h | |
| June | 3.1°C | 14.1°C | 4 mm | 11.2 h | |
| July | 2.4°C | 14.4°C | 11 mm | 11.3 h | |
| August | 2.9°C | 15.3°C | 9 mm | 11.6 h | |
| September | 3.9°C | 15.6°C | 20 mm | 11.9 h | |
| October | 4.3°C | 15.8°C | 62 mm | 12.3 h | |
| November | 4.7°C | 15.8°C | 72 mm | 12.6 h | |
| December | 4.7°C | 14.8°C | 137 mm | 12.8 h |