Cusco weather in May
May in Cusco: cool, dry, with clean air — an excellent time to visit.
#5 of 12 months in Cusco · #72 of 604 destinations to visit in May · comfort 90/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Cusco climate normals — May
| Daytime high | 16°C / 60°F | 🙂 cool |
|---|---|---|
| Nighttime low | 7°C / 44°F | |
| Feels like (high) | 14°C / 57°F | |
| Rainfall | 28 mm / 1.1 in | ☀️ dry |
| Rainy days | 6 days | |
| Humidity | 70% | 💧 humid |
| Dew point | 5°C / 41°F | |
| Sunshine | 10.1 h/day | |
| Daylight | 11.5 h | |
| Wind | 7 km/h / 4 mph | |
| Snowfall | 1.3 cm / 0.5 in | |
| Air quality (US AQI) | 27 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Cusco in May — FAQ
- Is May a good time to visit Cusco?
- May in Cusco: cool, dry, with clean air — an excellent time to visit. It ranks #5 of 12 months for Cusco on SeasonMap's comfort score (90/100).
- What is the weather like in Cusco in May?
- In May, Cusco averages a daily high of 15.6°C and a low of 6.6°C, with about 27.8 mm of rain over roughly 6.4 rainy days.
- What is the air quality in Cusco in May?
- Cusco has a mean US Air Quality Index of about 27 in May.
- Does it snow in Cusco in May?
- Cusco sees roughly 1.3 cm of snowfall in May.