Cusco · Month comparison
July vs May
May ranks #1 overall vs July at #5. The dry season arrives — clear skies, the Inca Trail fully open, and Machu Picchu at its most reliably beautiful.
July
#5 of 12 months
Strong option
The driest month and the most crowded — Machu Picchu and the Inca Trail at peak season and peak price.
- ↑July is the single driest month of the year: only 13mm of rain, 8.3 sunshine hours daily, and the clearest mountain views in the calendar — conditions for Machu Picchu photography and high-altitude trekking are unmatched
- ↑Inca Trail is fully operational in optimal dry conditions; the classic hike is at its most rewarding, with clear passes and stunning Andean views that have made it famous
May
#1 of 12 months
Best match
The dry season arrives — clear skies, the Inca Trail fully open, and Machu Picchu at its most reliably beautiful.
- ↑Dry season proper begins: 44mm of rain is minimal, skies are consistently clear, and the mountain views from Machu Picchu and the Sacred Valley are sharp and unobscured
- ↑Inca Trail permits are still available in May (unlike the July–August peak when they sell out months ahead) — the optimal window for hiking with full conditions and manageable crowds
| Factor | July | May |
|---|---|---|
| Weather score | 10 | 9 |
| Value score | 2 | 6 |
| Crowd score | 2 | 6 |
| Events score | 7 | 7 |
| Atmosphere | 8 | 8 |
| Avg high temp | 19°C | 20°C |
| Monthly rain | 13mm | 44mm |
| Daily sunshine | 8.3hrs | 7.8hrs |
July trade-offs
- ↓Peak season, peak prices: Cusco hotels are at their most expensive, Machu Picchu entrance requires advance booking (timed-entry slots fill weeks ahead), and the Inca Trail permits sold out months ago
- ↓Machu Picchu is at maximum permitted capacity — expect queues at the entry gates, crowded sunrise viewpoints, and a more managed, less intimate experience
- ↓Cold nights (2°C) at altitude require proper gear; the thermal contrast between sunny days (19°C) and freezing nights is significant and catches underprepared visitors off guard
May trade-offs
- ↓Nights are cold (4°C) and can catch visitors off guard; altitude at 3,400m intensifies the chill — warm layers are non-negotiable
- ↓Prices begin rising as the dry season is recognised; May is still moderate but more expensive than the wet-season months
- ↓Inca Trail permits for the popular Classic Trail sell out in advance — book at least two to three months ahead for May departures
Scores compare months within Cusco. Climate data: Open Meteo ERA5 30-year normals (1991–2020). Methodology →