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Monthly climate in Uyuni, Bolivia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Uyuni features a cold semi-arid climate (BSk). Temperatures typically range between 4 °C (39 °F) and 13 °C (55 °F) through the year, but rarely can drop to -10 °C (14 °F) or can rise to as high as 25 °C (78 °F). The average annual precipitation amounts to about 426 mm (16.8 inches) and receives 70 rainy days on the 1 mm (0.04 inches) threshold annually. Uyuni enjoys an average of 4090 hours of sunshine throughout the year, and daylight varies from 10 hours 53 minutes to 13 hours 20 minutes per day.

Monthly average temperatures in Uyuni, Bolivia

The warmest months in Uyuni are February, November and December, with daily mean temperatures ranging from 12 to 13 °C (53 - 55 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 4 to 5 °C (39 - 41 °F) throughout the day. On average each year, Uyuni experiences 0 days above 25 °C (77.0 °F) and 119 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Uyuni. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum23°C
(73°F)		24°C
(76°F)		23°C
(73°F)		23°C
(74°F)		20°C
(69°F)		17°C
(63°F)		17°C
(63°F)		19°C
(67°F)		23°C
(73°F)		23°C
(74°F)		25°C
(77°F)		25°C
(78°F)
Mean maximum22°C
(71°F)		22°C
(71°F)		21°C
(70°F)		21°C
(69°F)		18°C
(66°F)		15°C
(59°F)		16°C
(61°F)		17°C
(64°F)		21°C
(70°F)		22°C
(71°F)		23°C
(74°F)		24°C
(75°F)
Average high18°C
(64°F)		18°C
(65°F)		18°C
(64°F)		17°C
(63°F)		14°C
(58°F)		12°C
(55°F)		13°C
(55°F)		14°C
(58°F)		17°C
(63°F)		19°C
(66°F)		20°C
(69°F)		20°C
(68°F)
Daily mean11°C
(53°F)		12°C
(53°F)		11°C
(52°F)		9°C
(49°F)		6°C
(43°F)		4°C
(39°F)		4°C
(40°F)		5°C
(41°F)		8°C
(48°F)		11°C
(52°F)		12°C
(54°F)		13°C
(55°F)
Average low6°C
(43°F)		6°C
(43°F)		5°C
(41°F)		2°C
(36°F)		-1°C
(30°F)		-3°C
(28°F)		-3°C
(28°F)		-2°C
(28°F)		1°C
(33°F)		2°C
(37°F)		4°C
(40°F)		6°C
(43°F)
Mean minimum2°C
(36°F)		3°C
(38°F)		2°C
(35°F)		-3°C
(26°F)		-5°C
(23°F)		-5°C
(23°F)		-7°C
(19°F)		-6°C
(22°F)		-4°C
(25°F)		-2°C
(29°F)		0°C
(32°F)		0°C
(33°F)
Minimum0°C
(32°F)		1°C
(33°F)		-0°C
(32°F)		-5°C
(24°F)		-6°C
(22°F)		-8°C
(17°F)		-10°C
(14°F)		-7°C
(19°F)		-5°C
(23°F)		-4°C
(24°F)		-4°C
(26°F)		-3°C
(27°F)

Compare climate in Uyuni with other places

Compare temperature, precipitation, sunshine, UV index in Uyuni, Bolivia with other places around the world.

Monthly average precipitation in Uyuni, Bolivia

Uyuni usually has the most precipitation in January, February and December, with an average of 14 rainy days and 99 mm (3.9 inches) of precipitation per month. The driest months in Uyuni are May, June and August. On average, 1 mm (0.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Uyuni. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)104 (4.1)103 (4.1)74 (2.9)11 (0.4)1 (0.0)1 (0.0)4 (0.2)2 (0.1)8 (0.3)11 (0.4)16 (0.6)90 (3.5)
Average precipitation days (≥ 1 mm)1516143001012513

Monthly sunshine hours in Uyuni, Bolivia

The sunniest months in Uyuni are October, November and December, when the sun shines an average of 12 hours 13 minutes a day. Least sunny months in Uyuni: January, February and June receive an average of 10 hours 12 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Uyuni. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours293311347334337314330347348375378370
Mean daily daylight hours13h 11m12h 44m12h 10m11h 35m11h 7m10h 53m11h 1m11h 25m11h 58m12h 33m13h 4m13h 20m

Solar UV radiation in Uyuni, Bolivia

Uyuni experiences the highest level of ultraviolet (UV) radiation in January, November and December, when the maximum UV index can reach values of 19 - 19, which corresponds to the Extreme category of sun exposure. May, June and July are in the Very High / Extreme exposure category. In these months, the maximum values of the UV index do not exceed 12. For more detailed information, check out our hourly Uyuni UV Index data.

Average daily maximum UV levels by month for Uyuni. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)19191715129101316191919