Climate averages 1991–2020
Weather in Peru in May
In May, average daytime highs across the 24 cities listed in Peru range from 13.6°C in Huancayo to 31.7°C in Sullana. Monthly rainfall ranges from under 1 mm in Ica to 271 mm in Iquitos.
Long-term climate patterns, not a forecast for a particular trip.
City by city
May in Peru
| City | Average highHigh / low | Average low | Rainfall mm | Rain days |
|---|---|---|---|---|
| Lima | 23.0°C17.7°C | 17.7°C | 1.8 | 0.4 |
| Callao | 22.3°C17.6°C | 17.6°C | 2.3 | 0.2 |
| Trujillo | 24.6°C18.9°C | 18.9°C | 3.6 | 0.8 |
| Piura | 31.2°C20.3°C | 20.3°C | 6.7 | 2.3 |
| Chiclayo | 25.1°C19.2°C | 19.2°C | 5.2 | 1.9 |
| Huancayo | 13.6°C4.5°C | 4.5°C | 53 | 15.7 |
| Cusco | 15.3°C6.5°C | 6.5°C | 24 | 8.1 |
| Iquitos | 28.8°C22.9°C | 22.9°C | 271 | 26.7 |
| Pucallpa | 28.6°C22.6°C | 22.6°C | 158 | 19.3 |
| Chimbote | 22.6°C18.0°C | 18.0°C | 1.3 | 0.2 |
| Tacna | 21.6°C15.0°C | 15.0°C | 4.1 | 0.4 |
| Ica | 27.2°C18.0°C | 18.0°C | 0.2 | 0.0 |
| Juliaca | 14.2°C-0.5°C | -0.5°C | 22 | 5.4 |
| Huánuco (approximate) | 23.0°C15.3°C | 15.3°C | 48 | 13.3 |
| Santa Anita - Los Ficus | 20.9°C16.3°C | 16.3°C | 1.8 | 0.4 |
| Sullana | 31.7°C20.4°C | 20.4°C | 4.9 | 1.8 |
| Chincha Alta | 24.2°C18.3°C | 18.3°C | 0.2 | 0.0 |
| Puno | 14.6°C0.7°C | 0.7°C | 20 | 5.6 |
| Talara | 27.5°C20.5°C | 20.5°C | 4.8 | 1.5 |
| Tumbes | 29.7°C22.9°C | 22.9°C | 41 | 7.1 |
| Chosica | 24.1°C18.1°C | 18.1°C | 4.4 | 1.3 |
| Puerto Maldonado | 27.7°C21.1°C | 21.1°C | 88 | 13.8 |
| San Juan, Peru | 28.8°C22.9°C | 22.9°C | 271 | 26.7 |
| Abancay | 19.4°C10.1°C | 10.1°C | 26 | 8.4 |
A rain day is a local calendar day with at least 1 mm of precipitation.