Visit the Rainbow Mountains
The Rainbow Mountain (Vinicunca) is acolored rainbow mountain that will steal your heart forever and the view from the top will take your breath away.
Juliaca in December averages 18°C (64°F) during the day and 6°C (43°F) at night. Keep in mind that quite a bit of rainfall is expected this month.
If you prefer dry days with pleasant temperatures, August typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Pick a month to see the average temperature, rainfall and sunshine in Juliaca - and find the best time to visit.
46-year average (1976-2025)
Based on our historical records, temperatures in Juliaca typically stay consistent throughout December, with daily highs averaging around 18°C (64°F). Nights are cold, with lows around 6°C (43°F).
46-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Juliaca spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
According to our 20 years of weather records for Juliaca, the following extremes were recorded between 2005 and 2025.
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 is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Pleasant temperatures in December mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Heavy rain is guaranteed, please bring a good poncho and waterproof everything!
We rated the following activities from 1 (least suitable) to 10 (best) to do.
See the full Juliaca climate overview or explore weather in Peru.
Where to go in December - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
Visit the Rainbow Mountains
The Rainbow Mountain (Vinicunca) is acolored rainbow mountain that will steal your heart forever and the view from the top will take your breath away.
"The other" Machu Picchu: the Inca City of Choquequirao
Discover Choquequirao, the hidden Inca city near Cusco. Hike through stunning landscapes and explore ancient ruins with fewer crowds than Machu Picchu.
Hike the inca Trail
Few walking tours speak so much to the imagination as the Inca Trail to Machu Picchu. The tour leads through beautiful mountain landscapes and it is called the 'Royal Highway'
The Inkaterra Reserva Amazonica
One of your highlights during a trip in Peru might be this eco-luxury lodge in front of the Madre de Dios River, called Inkaterra Reserva Amazonica.