December · Bolivia
Best time to visit Salar de Uyuni in December Weather, crowds & prices
Weather in Salar de Uyuni in December
Average temperature 12°C, 47 mm of rain, about 31 days with 6+ hours of sunshine and 48% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
9.7/10
Ranked #2 of 12 months
- Avg temp
- 12°C
- Rainfall
- 47 mm
- Humidity
- 48%
- Days with 6h+ sun
- 31
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
December in Salar de Uyuni scores 9.7/10 for nature and wildlife travel - one of the top 12-month picks (#2). Expect around 12°C, 47 mm of rain, and roughly 31 days with 6+ hours of sunshine this month.
Endless salt mirror under Andean sky work best in May-October for dry flats, January-March for mirrors.
December is one of the strongest months in Salar de Uyuni (2nd)
December averages 12°C (54°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Rainfall runs 47 mm, so plan one flexible day in three; you still get about 31 days with 6+ hours of sunshine and 13.2 hours of daylight.
A 9.7/10 puts this among the year's best months in Salar de Uyuni (2nd of 12); only November scores higher, at 9.8/10.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer, footwear you can get muddy.
Figure on peak pricing, with this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Frequently asked
- What is the weather like in Salar de Uyuni in December?
- In December, Salar de Uyuni averages 12°C, 47 mm of rain, and about 31 days with 6+ hours of sunshine. Its climate-comfort score is 9.7/10.
- Is December a good time to visit Salar de Uyuni?
- December earns a 9.7/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Salar de Uyuni in December?
- Expect about 47 mm of rain in December. Average humidity is 48% and there are about 31 days with 6+ hours of sunshine.
Curated in Salar de Uyuni
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Things to do in Salar de Uyuni
Salar de Uyuni, Bolivia. Live activities and tours from GetYourGuide, matched to this destination.