SeasonScore
Machu Picchu, Peru
Photo: Elena Tatiana Chis · CC BY-SA 4.0

Peru

Machu Picchu in December

🌧️ Rainy season

Pleasant and very wet.

🎒 Pack: compact umbrella or rain jacket

Best months: Jun (9.4), Jul (9.4), Aug (9.4)

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Why December scores 8.6What goes into the score

How it works
🌡️ 21° / 12°C🌧️ 275 mm💧 dew pt 12°🍃 PM2.5 4
  • Weather comfort7.8
    • ✓Comfortable temperatures (21°C highs / 12°C lows)
    • ✓Comfortable humidity (dew point 11.7°C)
    • !Wet: ~275 mm rain, ~6 heavy-rain days
  • Air quality10.0
    • ✓Good (within WHO guideline) (PM2.5 ~4 µg/m³)
  • Seasonal hazards9.5
    • !Flood: ~6 heavy-rain days in an average December
  • Safety baseline7.5
    • ·Increased caution
Compare monthsPut December side by side with another month
DecJun
Score8.6 Excellent9.4 Excellent
Season🌧️ Rainy season🌤️ Cool dry season
High / low21° / 12°22° / 10°
Rain275 mm51 mm
Humiditydew pt 12°dew pt 10°
PM2.54 µg/m³6 µg/m³

Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast). Temperatures: Machu Picchu weather-station normals. Rainfall: Machu Picchu weather-station normals (national met service).

Holidays & crowdsDecember 2026

Long weekend

There's at least one long weekend. Domestic travel picks up and popular spots get busier over those days.

  • Christmas Day 25–27 Dec · 3 days off in a row

Other public holidays: Immaculate Conception (8 Dec) · Battle of Ayacucho Day (9 Dec)

National holidays only; regional holidays and school breaks aren't included. Source: holidays (open-source public-holiday calendar).

Explore Machu PicchuEvents, sights, food & souvenirs

Check event dates locally

A 15th-century Inca citadel high in the Peruvian Andes, reached by train or the Inca Trail via Aguas Calientes.

Events in December

No major events on our calendar for December.

Coming up later

Corpus Christi in CuscoDate variesUsually late May or June

Statues of saints from Cusco's parishes are paraded to the cathedral.

Why go: Try chiriuchu, the cold festive dish sold on the day.

Where: Cusco

Inti RaymiEvery year24 June every year

A large reenactment of the Inca festival of the sun at the winter solstice.

Why go: Cusco is packed; book accommodation and Machu Picchu tickets well ahead.

Where: Cusco and Sacsayhuamán