Cusco · Month comparison

October vs May

May ranks #1 overall vs October at #6. The dry season arrives — clear skies, the Inca Trail fully open, and Machu Picchu at its most reliably beautiful.

Cusco October — panoramic view over the Andean Sacred Valley from high altitude, mountains stretching to the horizon

October

#6 of 12 months

Strong option

Shoulder season returns — affordable, uncrowded, and still largely dry with only occasional afternoon showers.

  • ↑Only 63mm of rain and 6.8 sunshine hours — more variable than the peak dry season but still predominantly clear mornings and manageable afternoons for outdoor sites
  • ↑Accommodation pricing has retreated from peak levels; good-value options are available across all tiers without advance planning pressure
Cusco May — Plaza de Armas with the cathedral and dramatic clouds over the ancient colonial square

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
FactorOctoberMay
Weather score
7
9
Value score
6
6
Crowd score
6
6
Events score
4
7
Atmosphere
6
8
Avg high temp21°C20°C
Monthly rain63mm44mm
Daily sunshine6.8hrs7.8hrs

October trade-offs

  • ↓The transitional wet season is approaching: afternoon rain becomes increasingly common through October, and some days feel more like the wet season than the dry
  • ↓Landscape is beginning to dry out; the lush green of January–March is gone but the wet season's dramatic cloudscapes have not yet fully arrived
  • ↓The most interesting event calendar is in June (Inti Raymi) or February (Carnaval) — October is pleasant but lacks a standout festival

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
See all 12 months for Cusco →October in detail →May in detail →
Scores compare months within Cusco. Climate data: Open Meteo ERA5 30-year normals (1991–2020). Methodology →