Potosí weather in August

August in Potosí: cool, dry, with clean air — an excellent time to visit.

Updated September 2026 · climate normals from ERA5 reanalysis

Potosí🇧🇴 Bolivia · Altiplano & Lake Titicaca · City81
  1. 74Jan
  2. 75Feb
  3. 75Mar
  4. 81Apr
  5. 82May
  6. 80Jun
  7. 81Jul
  8. 81Aug
  9. 82Sep
  10. 83Oct
  11. 82Nov
  12. 76Dec

#7 of 12 months in Potosí · #640 of 1413 destinations to visit in August · comfort 81/100 (tier A)

Days
15°C
Nights
-2°C
Wet days
2
Sun
10.6 h
Humidity
31%
Daylight
12 h
Potosí, Bolivia
Photo: Parallelepiped09 · CC BY-SA 4.0

Traveller notes on Potosí in August

Other months in Potosí

Forum posters describe Bolivia's rainy season as running roughly late December through March, with March still solidly within it though conditions improve noticeably as April approaches. Posters specifically discussing the Altiplano, where Potosí sits, note rain here usually isn't a major problem for city-based travel, though it's still wise to build in a few spare days for potential delays. Posters describe the typical pattern as heavy afternoon rain for a few hours rather than an all-day event, with rains generally easing toward the end of March. Posters do caution that March isn't ideal for trekking or mountain excursions specifically, since peaks are often shrouded in cloud this time of year. Posters generally rate March as still rainy but genuinely improving for Potosí, city sightseeing more reliable than mountain-based activities.
Tripadvisor community · March · 1 month ago · Read more on Tripadvisor ↗
Forum posters place September within Bolivia's dry season (roughly May-September) and its spring shoulder (September-November) - genuinely one of the better windows, with plenty of sunshine and very little rain across the Altiplano and salt flats. The clear tradeoff, though, is night cold: even with excellent, continuously clear daytime skies, nighttime temperatures on the high plain drop sharply, and posters say a proper sleeping bag or well-insulated accommodation is essential rather than optional. One seasonal caveat specific to this time of year: farmers burning cleared land in August-September can create haze that dulls the views on some days.
Tripadvisor community · September · 1 month ago · Read more on Tripadvisor ↗

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Potosí climate normals — August

Daytime high15°C / 59°F🙂 cool
Nighttime low-2°C / 28°F
Feels like (high)11°C / 52°F
Rainfall7 mm / 0.3 in☀️ dry
Rainy days2 days
Humidity31%🌵 dry
Dew point-14°C / 7°F
Sunshine10.6 h/day
Daylight11.5 h
Wind15 km/h / 9 mph
Snowfall1.2 cm / 0.5 in
Air quality (US AQI)31🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Potosí in August

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

Peak crowdsIndependence Day, Ch'utillos(estimated)

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Peak crowdsBusyShoulder seasonQuiet

Best months for Potosí's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Fair weatherPotosí's weather doesn't swing hard through the year — comfort stays fairly steady in every month.

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What's on in Potosí in August

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Season

    Freezing nights above 4,000 m

    1 Jun – 15 Aug · usuallyExtreme cold

    Potosí is one of the highest cities in the world and the dry-season nights go well below zero in buildings that are almost never heated. The mine tours run regardless; the wait outside is the hard part.

  • Holiday

    Independence Day

    5–7 AugNational holidayClosuresCrowded

    6 August is Bolivia's national day: schoolchildren, civic groups and the military parade around the main square, flags hang from every building, and banks, offices and many shops close. Streets in the centre are closed for the parades. Source ↗

  • Festival

    Ch'utillos

    28–30 AugReligious feastCrowdedBook early

    Bolivia's second-largest festival: three days of village troupes and city fraternities dancing the length of Potosí for San Bartolomé, with the ride out to the Cueva del Diablo. UNESCO-listed since 2023. Source ↗

What's on around the world in August →

Where is Potosí?

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Potosí in August — FAQ

Is August a good time to visit Potosí?
August in Potosí: cool, dry, with clean air — an excellent time to visit. It ranks #7 of 12 months for Potosí on SeasonMap's comfort score (81/100).
What is the weather like in Potosí in August?
In August, Potosí averages a daily high of 15.1°C and a low of -2.3°C, with about 6.6 mm of rain over roughly 1.8 rainy days.
What is the air quality in Potosí in August?
Potosí has a mean US Air Quality Index of about 31 in August.
Does it snow in Potosí in August?
Potosí sees roughly 1.2 cm of snowfall in August.