Salta Weather in December
December in Salta sees daytime temperatures around 25°C (77°F) and lows of 15°C (59°F) at night. Being part of the rainy season, heavy rainfall is a regular part of the day, so pack accordingly.
Rainfall in Salta in December
As part of the rainy season, Salta sees around 13 days of rain in December, with an average of 284 mm (11 in). With high rainfall totals spread across the month, individual showers can be very heavy. Waterproof gear is strongly recommended.
Temperature in Salta in December
December in Salta sees highs of 25°C (77°F) and lows of 15°C (59°F) overnight. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights drop to around 15°C (59°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable. This month tends to be the warmest of the year. Light, comfortable clothing will serve you well.
Sunshine in Salta in December
Expect a lot of sunshine this month, with about 198 hours of sun. Showers typically arrive in the late afternoon or evening, keeping mornings and early afternoons sunny. Even during the wet season, there's plenty of sunshine for sightseeing.December in Salta 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 Argentina, check out our Salta's climate page.
Salta Temperature in December
Min Temperature
15°C (59°F)
Max Temperature
25°C (77°F)
Chance of Rain
43%
Precipitation
284 mm (11 in)
Rainy days
13 days
Humidity
73%
Sunshine
198 hours
Percentage Sunshine
39%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Salta typically stay consistent throughout December, with daily highs averaging around 25°C (77°F). Nights are pleasant, with lows typically ranging from 16°C (61°F) to 18°C (64°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 Salta in December
Browse day-by-day weather records for Salta spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Salta historical weather extremes in December
Based on 49 years of weather observations in Salta between 1976 and 2025, these are the recorded extremes.
- The warmest day in December was on December 17, 2023, with a maximum of 40°C (104°F).
- Salta experienced its chilliest December day on December 2, 2018, reaching only 15°C (59°F).
- The lowest overnight temperature recorded in December was 8°C (46°F) (December 18, 1980).
Best Places in Argentina in December
Find out more about the weather in Argentina and which places have the best travel conditions in this month. See all of Argentina in December →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Salta in December
Warm weather calls for comfortable, breathable clothing in December. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Salta 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 Argentina, check out our Salta's climate page.
Temperature Rainfall Sunshine Humidity
See the full Salta climate overview or explore weather in Argentina.
