Climate averages 1991–2020
Weather in Peru in December
In December, average daytime highs across the 24 cities listed in Peru range from 14.2°C in Huancayo to 31.6°C in Sullana. Monthly rainfall ranges from 1.5 mm in Chincha Alta to 330 mm in Puerto Maldonado.
Long-term climate patterns, not a forecast for a particular trip.
City by city
December in Peru
| City | Average highHigh / low | Average low | Rainfall mm | Rain days |
|---|---|---|---|---|
| Lima | 24.2°C18.5°C | 18.5°C | 6.2 | 1.7 |
| Callao | 23.7°C18.5°C | 18.5°C | 2.7 | 0.6 |
| Trujillo | 25.0°C18.9°C | 18.9°C | 9.0 | 2.2 |
| Piura | 31.1°C20.0°C | 20.0°C | 21 | 4.8 |
| Chiclayo | 25.5°C19.2°C | 19.2°C | 8.9 | 2.6 |
| Huancayo | 14.2°C6.0°C | 6.0°C | 214 | 28.4 |
| Cusco | 15.9°C8.4°C | 8.4°C | 196 | 27.6 |
| Iquitos | 29.9°C23.4°C | 23.4°C | 263 | 27.2 |
| Pucallpa | 29.6°C23.3°C | 23.3°C | 289 | 25.5 |
| Chimbote | 23.3°C18.3°C | 18.3°C | 4.5 | 1.1 |
| Tacna | 25.3°C16.3°C | 16.3°C | 5.6 | 1.4 |
| Ica | 28.8°C19.0°C | 19.0°C | 4.7 | 1.7 |
| Juliaca | 15.1°C4.8°C | 4.8°C | 140 | 21.7 |
| Huánuco (approximate) | 23.5°C16.7°C | 16.7°C | 138 | 25.1 |
| Santa Anita - Los Ficus | 22.1°C17.1°C | 17.1°C | 6.2 | 1.7 |
| Sullana | 31.6°C20.0°C | 20.0°C | 18 | 3.8 |
| Chincha Alta | 25.2°C18.7°C | 18.7°C | 1.5 | 0.4 |
| Puno | 15.2°C5.8°C | 5.8°C | 156 | 23.5 |
| Talara | 26.9°C20.0°C | 20.0°C | 14 | 2.7 |
| Tumbes | 30.2°C22.3°C | 22.3°C | 34 | 5.8 |
| Chosica | 24.1°C18.2°C | 18.2°C | 20 | 6.2 |
| Puerto Maldonado | 29.4°C23.0°C | 23.0°C | 330 | 26.1 |
| San Juan, Peru | 29.9°C23.4°C | 23.4°C | 263 | 27.2 |
| Abancay | 20.4°C12.4°C | 12.4°C | 178 | 27.8 |
A rain day is a local calendar day with at least 1 mm of precipitation.