Uruguay in August: Weather, Crowds & What to Expect
Climate Map for August
Average temperature across Uruguay in August.
City Weather in August
| City | High | Low | Rain | UV | Feels |
|---|---|---|---|---|---|
| Montevideo | 16° | 7° | 76 mm | moderate | Cool |
| Salto, Uruguay | 20° | 8° | 61 mm | moderate | Cool |
| Paysandú | 18° | 8° | 66 mm | moderate | Cool |
| Las Piedras, Uruguay | 16° | 6° | 85 mm | moderate | Cool |
| Rivera | 20° | 8° | 101 mm | moderate | Cool |
| Maldonado, Uruguay | 15° | 8° | 94 mm | moderate | Cool |
| Tacuarembó | 20° | 7° | 92 mm | moderate | Cool |
High / low are average daily temperatures (°C). “Feels” reflects how hot or cold it feels, allowing for humidity.
Montevideo & Río de la Plata Coast
Early signs of spring begin in August with incrementally milder days and longer sunlight; morning fog over the Río de la Plata is still possible but decreases. The city’s trees begin to bud and cafés reopen terraces when a sunny spell hits; pack layers as temperatures can swing widely in a single day. Birdwatchers find increasing activity along the coast and parks as migratory species return.
Punta del Este & Maldonado Coast
August begins to show hints of spring: sunlight increases and some cafés reopen terraces on warm days, although strong breezes remain common. Migratory birds return to coastal lagoons around Rocha and Maldonado, improving opportunities for nature trips. Travellers should bring layers for temperature swings and be prepared for off-season closures at smaller beachfront businesses.
Rocha Coast, Nature Reserves & Cabo Polonio
August shows incremental warming and more daylight while keeping the coast fairly peaceful; spring birds begin to appear in the lagoons. Fishermen and surfers use the beaches on windier days, and cafés re-open as the first signs of the season approach. A warm hat and windproof jacket remain essential for mornings beside the sea.
Southwest: Colonia, Carmelo & Río de la Plata Estuary
August hints at spring as temperatures slowly climb and daylight lengthens; the estuary can still be blustery but there are clean, bright days for exploring. Locals begin to reopen services, and Carmelo’s vineyards prepare for pruning and later budburst. A midweight jacket and flexible itinerary are useful because sudden warm spells can alternate with chilly snaps.
Interior Plains & Northwest (Salto, Paysandú, Tacuarembó)
August shows the first reliable hints of spring with more daylight and warming afternoons; agricultural activity increases as farmers prepare for planting. Streams rise with occasional rains and the countryside greening is obvious, making it a fine month for landscape photography. A flexible wardrobe is wise because cool mornings and warm afternoons alternate quickly.