Uyuni in Winter
In winter (June, July and August), Uyuni sees average daytime highs around 13°C and overnight lows near -3°C, with 7 mm of precipitation over about 2 wet days across the season. It is the coldest season of the year and the driest season of the year.
Over the season highs climb from about 13°C in early June to 15°C by late August. The sky is clear or mostly clear about 80% of the time across winter, and the air most often feels dry.
Winter is Uyuni's weakest season of the year to visit on our travel score. For the whole year in context, see Uyuni's year-round climate.
- Avg daytime high
- 13°C
- coldest season of the year
- Avg overnight low
- -3°C
- Precipitation
- 7 mm
- 2 wet days
- Avg wind
- 13 km/h
- Travel score
- 4.7
- weakest season of the year
- Months
- Jun · Jul · Aug
Temperature in Uyuni in Winter
Over the season highs climb from about 13°C in early June to 15°C by late August.
A typical winter day in Uyuni reaches about 13°C and drops to -3°C overnight. The warmest of the three months is August, the coolest July.
How winter really feels in Uyuni
Once humidity and wind are folded in, winter brings about 0 days that feel above 32°C and 92 that feel at or below 0°C.
The story in winter is cold — wind chill drags the overnight "feels like" below the raw low.
Uyuni weather by month
How the three winter months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 18° / 6° | 131 | 19.4 | 13.1 | 4.5 |
| Feb | 17° / 6° | 108 | 17 | 12.7 | 4.5 |
| Mar | 18° / 5° | 54 | 11.8 | 12.1 | 5.6 |
| Apr | 17° / 2° | 10 | 2.5 | 11.5 | 6.7 |
| May | 14° / -2° | 2 | 0.5 | 11 | 5.5 |
| Jun | 12° / -3° | 1 | 0.3 | 10.8 | 4.4 |
| Jul | 12° / -3° | 3 | 0.7 | 10.9 | 4.3 |
| Aug | 14° / -2° | 3 | 0.9 | 11.3 | 5.5 |
| Sep | 16° / -1° | 4 | 1.2 | 11.9 | 6.7 |
| Oct | 18° / 2° | 9 | 1.9 | 12.5 | 7.5 |
| Nov | 20° / 4° | 13 | 3.4 | 13 | 7.5 |
| Dec | 20° / 6° | 62 | 10.4 | 13.2 | 6.2 |
Cloud cover in Winter
The sky is clear or mostly clear about 80% of the time across winter.
Chance of precipitation in Winter
Uyuni gets around 7 mm of rain and snow over 2 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 13 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 10 h 54 min in early June to 11 h 36 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 5.8 kWh/m².
Is winter a good time to visit Uyuni?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is a reasonable time to visit Uyuni for sightseeing.
What to pack for Uyuni in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Uyuni sees daytime highs around 13°C and nights near -3°C. Pack a warm layer and sun protection.
UV index in Uyuni in Winter
Clear-sky midday UV across winter averages around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Uyuni peaks around February 9 at about 19 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 9 at about 8 (very high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 19 | 20 | 16 | 13 | 11 | 9 | 8 | 12 | 15 | 17 | 17 | 18 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 19 | Extreme |
| Feb | 20 | Extreme |
| Mar | 16 | Extreme |
| Apr | 13 | Extreme |
| May | 11 | Extreme |
| Jun | 9 | Very high |
| Jul | 8 | Very high |
| Aug | 12 | Extreme |
| Sep | 15 | Extreme |
| Oct | 17 | Extreme |
| Nov | 17 | Extreme |
| Dec | 18 | Extreme |
Where is Uyuni?
Uyuni sits at 20.5°S, 66.8°W, 0 m above sea level, in Bolivia. The nearest listed city is Potosí, 148 km away.
Topography around Uyuni
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Uyuni.
Within 3 km, the terrain around Uyuni has only modest variations in elevation — a maximum elevation change of 29 m around an average of 3,668 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 906 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,212 m.
The land around Uyuni is covered by bare terrain (55%) and grassland (30%) within 3 km, bare terrain (66%) and grassland (33%) within 16 km, and bare terrain (66%) and grassland (34%) within 80 km.
Bolivia travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type A / B / C
- 230 V · 50 Hz
- Prices
- ≈ 40% of US
- price level, 2025
- GDP per capita
- $5,148
- 2025
- Happiness
- 5.8 / 10
- World Happiness, 2025
- Homicide rate
- 4.4
- per 100k, 2023
- Road deaths
- 21.1
- per 100k/yr, 2019
- Income group
- Lower middle
- World Bank
- English
- Moderate
- EF EPI 521
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Uyuni (-20.4597°, -66.825°, elevation 0 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.