SoloSquareGuides Meet people in UyuniMeet people

Town in Potosí, Bolivia

Uyuni weather by month and the best time to visit

Updated October 2026Sources
May–OctBest time to visit

When to go to Uyuni

May–Oct is dry, with full access across the salt flat but freezing nights. Jan–Mar is the rainy season with mirror effects but some routes closed.

Uyuni weather by month

Average daily high, rainfall and conditions.

PleasantHotRainyCool or coldBest months
-5°0°5°10°15°20°25°JFMAMJJASOND
Average highAverage lowRainfall

Monthly averages

MonthHighLowRainHumidityConditions
January20°C68°F5°C40°F92 mm58%Pleasant
February19°C67°F4°C40°F79 mm62%Pleasant
March19°C66°F3°C38°F50 mm60%Pleasant
April16°C62°F0°C32°F12 mm53%Cool
May13°C55°F-4°C25°F2 mm40%Cool
June11°C51°F-5°C24°F2 mm36%Cold
July10°C51°F-5°C23°F2 mm35%Cold
August13°C55°F-4°C24°F2 mm33%Cool
September16°C61°F-3°C27°F7 mm33%Cool
October18°C65°F0°C31°F20 mm35%Pleasant
November20°C69°F2°C35°F22 mm37%Pleasant
December21°C69°F4°C40°F64 mm47%Pleasant

Best months across Bolivia

PlaceBest monthsWarmest month
La PazMay–SepNov (16°C)
UyuniMay–OctDec (21°C)
SucreMay–SepNov (23°C)
CopacabanaMay–SepNov (15°C)
Santa CruzMay–SepOct (33°C)
RurrenabaqueMay–SepSep (33°C)
PotosíMay–Jun, Sep–OctNov (18°C)

Quick answers

What is the best month to visit Uyuni?

May–Oct. May–Oct is dry, with full access across the salt flat but freezing nights. Jan–Mar is the rainy season with mirror effects but some routes closed.

When is the rainy season in Uyuni?

Rain peaks in January with about 92 mm. No month averages 150 mm or more.

What is the hottest month in Uyuni?

December, with average highs of 21°C (69°F).

How cold does Uyuni get?

The coolest nights are in July, averaging -5°C (23°F).

More about Uyuni

Going to Uyuni solo?

SoloSquare is where travelers, nomads and locals in Uyuni meet up for small plans: coffee, dinners, walks and day trips. Join one, or start your own in a minute.

See plans in Uyuni

Sources

Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Temperatures are adjusted by 0.9°C for the city's elevation. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.