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.
Cajamarca Weather in December
During December, Cajamarca experiences moderate daytime temperatures of 18°C (64°F) and cooler nights around 8°C (46°F). December sits within the rainy season, so expect regular and often heavy rainfall.
Rainfall in Cajamarca in December
Cajamarca is in the rainy season in December, with rain on around 13 days and an average of 293 mm (12 in). Rain during the rainy season here tends to be intense rather than just persistent drizzle. Expect significant downpours.
Temperature in Cajamarca in December
Daytime temperatures in Cajamarca reach 18°C (64°F) in December, dropping to 8°C (46°F) at night. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. At 8°C (46°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.
Wind Speed in Cajamarca in December
Wind speeds average 1 m/s (2 knots) during December. At this speed, you'll experience mostly light air movement that's just barely noticeable. As an average, some days will be completely calm while others have gentle breezes you can feel on your skin.December in Cajamarca has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Cajamarca Temperature in December
Min Temperature
8°C (46°F)
Max Temperature
18°C (64°F)
Chance of Rain
44%
Precipitation
293 mm (12 in)
Rainy days
13 days
Humidity
64%
Windspeed
1 m/s (2 knots)
Cajamarca Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Cajamarca - and find the best time to visit.
Daily Historical Temperatures
32-year average (1984-2025)
Based on our historical records, temperatures in Cajamarca typically stay consistent throughout December, with daily highs averaging around 18°C (64°F). Nights are cool, with lows typically ranging from 8°C (46°F) to 10°C (50°F).
Average temperatures in December
Daily Historical Precipitation
32-year average (1984-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather records for Cajamarca in December
Browse day-by-day weather records for Cajamarca spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Cajamarca historical weather extremes in December
Based on weather observations in Cajamarca between 2005 and 2025, these are the recorded extremes during December.
- On December 26, 2021, temperatures climbed to 26°C (79°F), marking the warmest December day on record.
- The lowest daytime temperature in December was 10°C (50°F), recorded on December 18, 2005.
- The lowest overnight temperature recorded in December was 1°C (34°F) (December 6, 2025).
- The wettest December day on record brought 200 mm (7.9 in) of precipitation to Cajamarca (December 29, 2014).
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
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).
What to Wear in Cajamarca in December
For Cajamarca in December, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Also bring a poncho, it will rain a lot! Waterproof everything you can.
What To Do in Cajamarca in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling5/10 -
Walking5/10 -
Camping3/10
Cajamarca 3-Day Forecast
More climate data for Cajamarca
Temperature Rainfall Humidity Wind Speed
See the full Cajamarca climate overview or explore weather in Peru.
Popular in December
Where to go in December - average daytime high across popular destinations.
Iquitos
31°C (88°F) Trujillo
24°C (75°F) Lima
23°C (73°F) Arequipa
18°C (64°F) Puno16°C (61°F) Cusco16°C (61°F) Machu Picchu16°C (61°F) Urubamba14°C (57°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Visit the Rainbow Mountains
"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.