December · Peru
Best time to visit Cusco in December Weather, crowds & prices
Weather in Cusco in December
Average temperature 12°C, 181 mm of rain, about 28 days with 6+ hours of sunshine and 75% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
6.5/10
Ranked #9 of 12 months
- Avg temp
- 12°C
- Rainfall
- 181 mm
- Humidity
- 75%
- Days with 6h+ sun
- 28
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $$ · Moderate Cost ($$)
December in Cusco scores 6.5/10 for sightseeing and cultural travel - ranked #9 of 12. Expect around 12°C, 181 mm of rain, and roughly 28 days with 6+ hours of sunshine this month.
Inca stone streets and Sacred Valley day trips shine in the drier November-March window.
December in Cusco: mixed conditions, plan around the weather
Temperatures hover around 12°C (54°F) — the kind of month where neither heat nor cold forces the schedule.
181 mm of rain makes this a wet month here, though with about 28 days with 6+ hours of sunshine there is still bright weather between the fronts.
That is 6.5/10 on the same scale — 9th of 12 months, versus 9.2/10 for the best month here.
Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella.
Budget for mid-season pricing, and crowds are light for this destination.
If your dates are flexible, August is materially better in Cusco — 2.7 points higher on the same scale.
Frequently asked
- What is the weather like in Cusco in December?
- In December, Cusco averages 12°C, 181 mm of rain, and about 28 days with 6+ hours of sunshine. Its climate-comfort score is 6.5/10.
- Is December a good time to visit Cusco?
- December earns a 6.5/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Cusco in December?
- Expect about 181 mm of rain in December. Average humidity is 75% and there are about 28 days with 6+ hours of sunshine.
Curated in Cusco
Tickets & experiences
Things to do in Cusco
Cusco, Peru. Live activities and tours from GetYourGuide, matched to this destination.