Cusco Weather in December
Cusco in December sees moderate daytime temperatures of 16°C (61°F) and nighttime lows of 6°C (43°F). As part of the rainy season, showers are frequent and often heavy. Budget around 208 mm (8.2 in) of rainfall for the month.
Rainfall in Cusco in December
Cusco is in the rainy season in December, with rain on around 15 days and an average of 208 mm (8.2 in). Rain during the rainy season is significant rather than just light drizzle. Expect proper showers on most rainy days.
Temperature in Cusco in December
December in Cusco brings moderate temperatures, with highs of 16°C (61°F) and nights around 6°C (43°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights fall to 6°C (43°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep. On average, it is the month with the highest temperature of the year.
Sunshine in Cusco in December
The area enjoys a moderate level of sunlight, with around 155 hours. It's a good balance between sunny and rainy days.
Wind Speed in Cusco in December
Wind speeds average 3 m/s (6 knots) during December. At this speed, light breezes keep leaves and small twigs in gentle motion while the wind also provides natural cooling. Since this is an average, some days are more tranquil while others have more persistent light winds that are more noticeable.December in Cusco can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Peru, check out our Cusco's climate page.
Cusco Temperature in December
Min Temperature
6°C (43°F)
Max Temperature
16°C (61°F)
Chance of Rain
51%
Precipitation
208 mm (8.2 in)
Rainy days
15 days
Humidity
62%
Windspeed
3 m/s (6 knots)
Sunshine
155 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Cusco typically stay consistent throughout December, with daily highs averaging around 16°C (61°F). Nights are cold, with lows around 8°C (46°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Cusco in December
Browse day-by-day weather records for Cusco spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Cusco historical weather extremes in December
Based on weather observations in Cusco between 2014 and 2025, these are the recorded extremes during December.
- On December 14, 2025, temperatures climbed to 26°C (79°F), marking the warmest December day on record.
- The lowest daytime temperature in December was 12°C (54°F), recorded on December 22, 2020.
- The coldest night in December in Cusco was on December 10, 2018, with a minimum of 3°C (37°F).
- The wettest day in December Cusco was on December 7, 2020 with 90 mm (3.5 in) of precipitation.
Best Places in Peru in December
Find out more about the weather in Peru and which places have the best travel conditions in this month. See all of Peru in December →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Cusco in December
The weather can be unpredictable in December, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. Also bring a poncho, it will rain a lot! Waterproof everything you can. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Cusco in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Peru, check out our Cusco's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Cusco climate overview or explore weather in Peru.
