Peru in December: where is it warmest?
In December, Iquitos is the warmest place with 30 °C by day, La Rinconada the coolest with 6 °C. 2 of 6 destinations have good holiday weather.
All destinations in December, warmest first
Long-term averages for the month: daytime high, sea, sunshine and rainy days.
| Place | Score | Air | Sun | Rain days |
|---|---|---|---|---|
| Iquitos | 37 | 30° | 5 h | 27 |
| Lima | 92 | 23° | 7 h | 2 |
| Arequipa | 94 | 20° | 7 h | 4 |
| Machu Picchu | 52 | 19° | 4 h | 31 |
| Cusco | 52 | 16° | 4 h | 31 |
| La Rinconada | 3 | 6° | 4 h | 28 |
Peru in December: quick answers
Peru in December: where is it warmest?
The warmest places in December are Iquitos (30 °C), Lima (23 °C) and Arequipa (20 °C).
Peru in December: where is the weather best?
The best holiday weather in December – warm, sunny and dry – is in Arequipa, Lima and Machu Picchu.
Peru month by month
Peru: weather & best time to visit
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences