Potosí in Summer
In summer (December, January and February), Potosí sees average daytime highs around 15°C and overnight lows near 6°C, with 451 mm of rain over about 72 wet days across the season. It is the coldest season of the year and the wettest season of the year.
Over the season highs ease from about 17°C in early December to 15°C by late February. The sky is clear or mostly clear about 7% of the time across summer, and the air most often feels dry.
Summer is Potosí's weakest season of the year to visit on our travel score. For the whole year in context, see Potosí's year-round climate.
- Avg daytime high
- 15°C
- coldest season of the year
- Avg overnight low
- 6°C
- Rainfall
- 451 mm
- 72 wet days
- Avg wind
- 6 km/h
- Travel score
- 3.0
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Potosí in Summer
Over the season highs ease from about 17°C in early December to 15°C by late February.
A typical summer day in Potosí reaches about 15°C and drops to 6°C overnight. The warmest of the three months is December, the coolest February.
How summer really feels in Potosí
Once humidity and wind are folded in, summer brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
summer sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Potosí weather by month
How the three summer months (December, January and February) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 15° / 6° | 171 | 25.8 | 0.2 | 13.1 | 2.7 |
| Feb | 15° / 6° | 147 | 23.4 | 0.1 | 12.7 | 2.7 |
| Mar | 15° / 5° | 108 | 21.4 | 0.2 | 12.1 | 3.3 |
| Apr | 16° / 3° | 35 | 9.6 | 0 | 11.6 | 5.1 |
| May | 16° / -0° | 6 | 1.8 | 0.1 | 11.1 | 6.4 |
| Jun | 15° / -2° | 2 | 0.5 | 0.1 | 10.8 | 6.3 |
| Jul | 15° / -3° | 4 | 1 | 0.3 | 10.9 | 6.1 |
| Aug | 16° / -1° | 10 | 2.6 | 0.6 | 11.3 | 6.5 |
| Sep | 17° / 2° | 26 | 6.5 | 0.2 | 11.9 | 6.2 |
| Oct | 18° / 4° | 51 | 11.8 | 0.2 | 12.5 | 5.6 |
| Nov | 17° / 5° | 77 | 15.6 | 0.2 | 12.9 | 4.7 |
| Dec | 16° / 6° | 133 | 22.5 | 0.1 | 13.2 | 3.5 |
Cloud cover in Summer
The sky is clear or mostly clear about 7% of the time across summer.
Chance of precipitation in Summer
Potosí gets around 451 mm of rain over 72 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 6 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 13 h 06 min in early December to 12 h 24 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 6.6 kWh/m².
Hazard calendar for Potosí
In summer, Potosí overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Potosí's rainy season runs November–March, when most of the year's rain falls.
Is summer a good time to visit Potosí?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a weaker month for outdoor sightseeing in Potosí.
What to pack for Potosí in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Potosí sees daytime highs around 15°C and nights near 6°C. Pack rain gear and sun protection. Worth having: a warm layer. About 72 days see rain.
UV index in Potosí in Summer
Clear-sky midday UV across summer averages around 18 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Potosí peaks around January 21 at about 18 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 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 | 18 | 16 | 13 | 10 | 8 | 9 | 12 | 15 | 16 | 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 | 18 | Extreme |
| Mar | 16 | Extreme |
| Apr | 13 | Extreme |
| May | 10 | Extreme |
| Jun | 8 | Very high |
| Jul | 9 | Very high |
| Aug | 12 | Extreme |
| Sep | 15 | Extreme |
| Oct | 16 | Extreme |
| Nov | 17 | Extreme |
| Dec | 18 | Extreme |
Where is Potosí?
Potosí sits at 19.6°S, 65.8°W, 3,967 m above sea level, in Bolivia. The nearest listed city is Sucre, 80 km away.
Topography around Potosí
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Potosí.
Within 3 km, the terrain around Potosí has large variations in elevation — a maximum elevation change of 695 m around an average of 4,008 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,712 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,305 m.
The land around Potosí is covered by artificial surfaces (51%) and bare terrain (29%) within 3 km, grassland (72%) and bare terrain (24%) within 16 km, and grassland (71%) and bare terrain (23%) 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 Potosí (-19.5836°, -65.7531°, elevation 3,967 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.