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Aiguá Weather in August
August in Aiguá brings moderate temperatures around 18°C (64°F) during the day, dropping to 7°C (45°F) at night, with quite a bit of rainfall expected, averaging around 106 mm (4.2 in) for the month.
Rainfall in Aiguá in August
Typically, you can expect about 10 days of rain this month, with 106 mm (4.2 in) on average. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Aiguá in August
Daytime highs in Aiguá in August reach 18°C (64°F), with nights around 7°C (45°F). August marks the winter season. The difference between afternoon and evening temperatures is usually noticeable. Nights drop to 7°C (45°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Aiguá in August
You can expect a moderate amount of sunlight, with approximately 169 hours. This means a pleasant mix of sun and overcast.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January and December typically offer the best weather for Aiguá.
Aiguá Temperature in August
Min Temperature
7°C (45°F)
Max Temperature
18°C (64°F)
Chance of Rain
33%
Precipitation
106 mm (4.2 in)
Rainy days
10 days
Humidity
79% *
Sunshine
169 hours *
Percentage Sunshine
*
* Data from: Rocha, Uruguay (49 KM, 30 Miles).
Aiguá Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Aiguá - and find the best time to visit.
Daily Historical Temperatures
46-year average (1980-2025)
Based on our historical records, temperatures in Aiguá typically stay consistent throughout August, with daily highs averaging around 18°C (64°F). Nights are cold, with lows typically ranging from 6°C (43°F) to 9°C (48°F).
Average temperatures in August
Daily Historical Precipitation
46-year average (1980-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather records for Aiguá in August
Browse day-by-day weather records for Aiguá spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Aiguá historical weather extremes in August
According to our 45 years of weather records for Aiguá, the following extremes were recorded between 1981 and 2026.
- On August 26, 2002, temperatures climbed to 33°C (91°F), marking the warmest August day on record.
- On August 1, 1991, Aiguá saw its coldest August day with temperatures maxing out at 6°C (43°F).
- Nighttime temperatures dropped to -2°C (28°F) on August 11, 2010, marking the coldest August night on record.
Best Places in Uruguay in August
Find out more about the weather in Uruguay and which places have the best travel conditions in this month. See all of Uruguay in August →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Aiguá in August
Pleasant temperatures in August mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. Sunglasses could come in handy during the sunnier parts of your trip.
What To Do in Aiguá in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming6/10 -
Cycling5/10 -
Walking5/10 -
Camping3/10 -
Outdoor sports9/10
Aiguá 3-Day Forecast
More climate data for Aiguá
Temperature Rainfall Sunshine Humidity
See the full Aiguá climate overview or explore weather in Uruguay.
Popular in August
Where to go in August - average daytime high across popular destinations.
La Pedrera
16°C (61°F) Piriápolis16°C (61°F) Montevideo17°C (63°F) Colonia del Sacramento
16°C (61°F) José Ignacio16°C (61°F) La Paloma16°C (61°F) Punta Del Diablo16°C (61°F) Punta del Este15°C (59°F) Bucket list
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