December · Argentina
Best time to visit Salta in December Weather, crowds & prices
Weather in Salta in December
Average temperature 18°C, 120 mm of rain, about 31 days with 6+ hours of sunshine and 68% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
8.0/10
Ranked #8 of 12 months
- Avg temp
- 18°C
- Rainfall
- 120 mm
- Humidity
- 68%
- Days with 6h+ sun
- 31
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
December in Salta scores 8.0/10 for sightseeing and cultural travel - ranked #8 of 12. Expect around 18°C, 120 mm of rain, and roughly 31 days with 6+ hours of sunshine this month.
Salta's colonial squares and Andean trains open Argentina's north-west canyon country.
December in Salta — reliably good (8th best month)
Temperatures hover around 18°C (65°F) — the kind of month where neither heat nor cold forces the schedule.
120 mm of rain makes this a wet month here, though with about 31 days with 6+ hours of sunshine there is still bright weather between the fronts.
That is 8/10 on the same scale — 8th of 12 months, versus 10/10 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 moderate.
If your dates are flexible, October is materially better in Salta — 2 points higher on the same scale.
Frequently asked
- What is the weather like in Salta in December?
- In December, Salta averages 18°C, 120 mm of rain, and about 31 days with 6+ hours of sunshine. Its climate-comfort score is 8.0/10.
- Is December a good time to visit Salta?
- December earns a 8.0/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Salta in December?
- Expect about 120 mm of rain in December. Average humidity is 68% and there are about 31 days with 6+ hours of sunshine.
Curated in Salta
Tickets & experiences
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Salta, Argentina. Live activities and tours from GetYourGuide, matched to this destination.