Machu Picchu Climate: Mild Days, Cold Nights, and Two Distinct Seasons

Perched at 2,430 m (7,970 ft) in the Andean cloud forest, Machu Picchu enjoys a subtropical highland climate (Cwb) with remarkably stable daytime temperatures year-round.

Temperature Profile

  • Daytime highs: ~18–21°C (64–70°F) — very consistent.
  • Nighttime lows: ~5–9°C (41–48°F) — can dip near freezing in dry season.
  • UV index: Extreme year-round; high-elevation sun is intense.

Two Seasons

SeasonMonthsCharacteristics
Dry (Winter)April – SeptemberSunny mornings, cold nights, minimal rain. Best time to visit. Peak season: June–August.
Wet (Summer)October – MarchFrequent afternoon showers, higher humidity, lush vegetation. Fewer tourists. Inca Trail closes February for maintenance.

Practical Tips

  • Layer clothing: base layer, fleece, waterproof shell.
  • Sun protection: broad-brim hat, high-SPF sunscreen, sunglasses.
  • Acclimatize in Cusco (3,400 m) 2–3 days before ascending.
  • Early morning entry (6 AM) offers best light and fewest crowds.

Microclimates abound: the citadel can be shrouded in mist while Huayna Picchu basks in sun, or vice versa. Flexibility and rain gear are essential in any season.

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