Cusco weather in August
August in Cusco: nice, dry, with clean air — one of the best months to visit.
#2 of 12 months in Cusco · #25 of 604 destinations to visit in August · comfort 93/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Cusco climate normals — August
| Daytime high | 18°C / 64°F | 😎 nice |
|---|---|---|
| Nighttime low | 7°C / 44°F | |
| Feels like (high) | 16°C / 61°F | |
| Rainfall | 13 mm / 0.5 in | ☀️ dry |
| Rainy days | 5 days | |
| Humidity | 59% | 🍃 comfortable |
| Dew point | 3°C / 37°F | |
| Sunshine | 10.6 h/day | |
| Daylight | 11.7 h | |
| Wind | 9 km/h / 6 mph | |
| Air quality (US AQI) | 35 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Cusco?
Loading map…
Cusco in August — FAQ
- Is August a good time to visit Cusco?
- August in Cusco: nice, dry, with clean air — one of the best months to visit. It ranks #2 of 12 months for Cusco on SeasonMap's comfort score (93/100).
- What is the weather like in Cusco in August?
- In August, Cusco averages a daily high of 17.7°C and a low of 6.6°C, with about 12.9 mm of rain over roughly 5.4 rainy days.
- What is the air quality in Cusco in August?
- Cusco has a mean US Air Quality Index of about 35 in August.