Best Time to Visit Cusco
No month in Cusco combines a mild average temperature (15–28°C) with low rainfall. The driest are May to June and August, with 4–9 mm of rain.
Cusco weather by month
The wettest month in Cusco is December with 137 mm of rain, and the warmest is November at an average 9°C. The coolest is July at 7°C.
| Month | Average temperature | Rainfall | Verdict |
|---|---|---|---|
| January | 9°C / 47°F | 129 mm | Cool |
| February | 9°C / 47°F | 127 mm | Cool |
| March | 8°C / 47°F | 96 mm | Cool |
| April | 8°C / 47°F | 44 mm | Cool |
| May | 8°C / 46°F | 9 mm | Driest |
| June | 8°C / 46°F | 4 mm | Driest |
| July | 7°C / 45°F | 11 mm | Cool |
| August | 8°C / 46°F | 8 mm | Driest |
| September | 9°C / 47°F | 18 mm | Cool |
| October | 9°C / 48°F | 63 mm | Cool |
| November | 9°C / 48°F | 72 mm | Cool |
| December | 9°C / 48°F | 137 mm | Cool |
How we pick the best months
- Best: an average temperature of 15–28°C and low rainfall for Cusco: under 150 mm, and no more than 67 mm, a quarter above Cusco's median month (never set below 60 mm).
- If no month qualifies, we show the three driest months that average 10–30°C instead.
- Wet: 150 mm of rain or more. Rainy: more than 67 mm. Hot: 29°C or more on average. Cool: under 15°C. Cold: under 5°C.
Averages cover day and night, so afternoons are warmer than the figure shown. Weather is only one reason to pick a month: school holidays, festivals and prices matter too.
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Where these numbers come from
Monthly averages for January 2001 – December 2020 from the NASA POWER project, for the area around Alejandro Velasco Astete International (CUZ) at -13.54, -71.94. The model covers a grid about 50 km across, so a coastal or hilly spot can run a degree or two different. Retrieved 12 September 2026.
The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center (LaRC) Prediction of Worldwide Energy Resource (POWER) Project funded through the NASA Earth Science/Applied Science Program.