Cusco weather in December
December in Cusco: nice, soaked, with clean air — a great time to visit.
#12 of 12 months in Cusco · #183 of 604 destinations to visit in December · comfort 78/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Cusco climate normals — December
| Daytime high | 16°C / 61°F | 😎 nice |
|---|---|---|
| Nighttime low | 9°C / 47°F | |
| Feels like (high) | 17°C / 63°F | |
| Rainfall | 210 mm / 8.3 in | ⛈ soaked |
| Rainy days | 27 days | |
| Humidity | 74% | 💧 humid |
| Dew point | 7°C / 45°F | |
| Sunshine | 9.1 h/day | |
| Daylight | 12.9 h | |
| Wind | 7 km/h / 4 mph | |
| Snowfall | 1.1 cm / 0.4 in | |
| Air quality (US AQI) | 28 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Cusco in December — FAQ
- Is December a good time to visit Cusco?
- December in Cusco: nice, soaked, with clean air — a great time to visit. It ranks #12 of 12 months for Cusco on SeasonMap's comfort score (78/100).
- What is the weather like in Cusco in December?
- In December, Cusco averages a daily high of 16.2°C and a low of 8.6°C, with about 210.2 mm of rain over roughly 26.6 rainy days.
- What is the air quality in Cusco in December?
- Cusco has a mean US Air Quality Index of about 28 in December.
- Does it snow in Cusco in December?
- Cusco sees roughly 1.1 cm of snowfall in December.