Things to Do in South America in August
August weather, activities, events & insider tips
Low Season · Budget Friendly
August Weather in South America
Temperature, rainfall and humidity at a glance
74°F (23°C)
High Temp
57°F (14°C)
Low Temp
0.1 inches (3 mm)
Rainfall
70%
Humidity
⚠ High-altitude UV can burn in 20 min despite cool air - reapply sunscreen every 90 min above 3 000 m (9 840 ft).
Is August Right for You?
Weigh the advantages and considerations before booking
Advantages
- + Southern cone ski season hits peak powder in August - resorts like Portillo and Bariloche run empty mid-week, with snow depths around 2 m (6.6 ft) and lift lines that disappear after 11 AM.
- + High-altitude Atacama and Uyuni enter their clearest skies of the year - night temperatures drop to -5 °C (23 °F) but days hit 20 °C (68 °F) under razor-sharp visibility, good for astro-tourism and mirror-flat salt-flat photos.
- + Colombia's second dry window means Cartagena's walled city stays near 30 °C (86 °F) with almost zero afternoon storms. Café terraces on Plaza Santo Domingo stay full until midnight without the usual steam-bath humidity.
- + Whale season peaks along Ecuador's coast and Galápagos - humpbacks breach off Puerto López every morning, and park boats still run at 70 % capacity, so you can snag last-minute berths a day ahead.
Considerations
- − The Amazon is at its driest on paper but still swarms with pint-size mosquitoes. River levels drop 3 m (10 ft), exposing sandbanks that turn afternoon boat rides into a 35 °C (95 °F) toaster oven.
- − Brazil's south (Rio to São Paulo) is winter-grey and drizzly - beaches empty by 4 PM, ocean dips to 18 °C (64 °F), and beachfront kiosks roll down metal shutters mid-week.
- − High Andean passes above 4 000 m (13 120 ft) can ice over without warning. Buses from Salta to San Pedro de Atacama sometimes chain-up, adding four-hour delays on border single-lane roads.
Best Activities in August
Top things to do during your visit
Central Andes Ski-&-Wine day trips
August snow is cold, dry and champagne-powdery above Santiago. You can carve groomers at Valle Nevado in the morning, then drop 2 000 m (6 560 ft) to the Maipo Valley for Carmenère tastings by 4 PM while still wearing base-layer tops.
Booking Tip: Book lift-plus-transfer packages 5-7 days ahead. Weekday rates stay gentle and most operators throw in a winery stop if you ask before departure - see current combos in the booking section.
Salar de Uyuni mirror-effect photography circuits
Thin rainfall in August isn't enough to flood the salt. But night frost creates a micro-film that reflects dawn like liquid glass. You get the mirror without the ankle-deep cold water of summer.
Booking Tip: Three-day jeep loops from Uyuni town fill slower than holiday months. Aim for shared tours departing Sunday night for smallest groups - check live availability in the widget below.
Pacific humpback whale-watching zodiac tours
Humpbacks cruise Ecuador's coast mid-July to September. Morning departures from Puerto López give you breaching adults plus the backdrop of 25 °C (77 °F) dry-forest hills still green from July rains.
Booking Tip: Morning slots (8 AM) have the calmest seas; motion-sickness-prone travelers should pick catamarans - compare boat styles in the current operator list.
Cartagena sunset chiva bar-hopping rides
August evenings hover near 27 °C (81 °F) with trade-wind breezes; open-sided chiva buses roll along the city walls blasting vallenato while you sip aguardiente from plastic cups - no rain cuts the party short.
Booking Tip: Buy tickets at Portal de los Dulces by 5 PM for 6 PM departures; you'll share the bus with more locals than tourists this month.
Quito Old Town night photography walks
Equatorial skies stay crystal-clear in August. At 2 850 m (9 350 ft) the air is cool enough (10 °C / 50 °F) for sweaters but zero haze means the illuminated basilica domes glow against Milky Way skies you can capture on phone cameras.
Booking Tip: Free walking tours start at 7 PM from Plaza Grande. Bring a small tripod - police allow them if you stay on pedestrian streets.
Where to Stay in South America in August
Hand-picked hotels across price tiers for August travellers.
August Events & Festivals
What's happening during your visit
Mid to Late August
Fiesta de la Virgen del Cisne (Ecuador)
A 74-km (46-mile) foot procession carries a 12-inch carved virgin from Cisne to Loja (August 15-30). Pilgrims camp roadside, brass bands play all night, and free bowls of colada morada (purple corn drink) appear every kilometer.
Late August
Semana de la Nieve - Ski Week (Chile)
Resort towns above Santiago run parallel slalom races, torchlight descents and open-air fondue parties. Hotel prices stay winter-low but the slopes buzz with Chilean families on school break.
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View South America Packing List →Essential Tips
Insider knowledge and common pitfalls to avoid
Insider Knowledge
Domestic flights inside Brazil drop 20 % after the July school break. If you're chaining Rio-Iguaçu-Salvador, book the Brazilian legs once you land for August dates.
ATMs in small Bolivian salt-flat towns (Colchani, Tahua) run dry on weekends. Withdraw cash in Uyuni before the jeep rolls.
Colombian coffee farms around Manizales start harvest in August - fincas will let you pick cherries for free if you buy a 250 g (0.5 lb) bag afterward.
Santiago metro now accepts contactless credit cards (2026 upgrade), so you can ride straight from the airport without queuing for a Bip! card.
Avoid These Mistakes
Assuming 'dry season' in the Amazon means no bugs - bring 30 % DEET anyway. River breezes disappear when the skiff stops.
Scheduling tight onward connections same-day after Uyuni jeep tours. Vehicles break axles on salt ridges and delays of 3 h are routine.
Wearing ski goggles only on the mountain - Santiago's winter smog burns eyes downhill too. Keep lenses on the bus ride back.
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