The 10 most alternative cities in South America
Discover South America's top 10 alternative cities! From Valparaíso's vibrant streets to La Paz's high-altitude charm and Medellín's innovative spirit.
Gualeguaychú Weather in August
August is one of the excellent months to visit Gualeguaychú, with daytime temperatures of 20°C (68°F) and lows of 8°C (46°F) at night. Do note that quite a bit of rainfall is typical, averaging around 89 mm (3.5 in).
Rainfall in Gualeguaychú in August
Historically, the month has about 7 days of rain, averaging 89 mm (3.5 in) in total. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Gualeguaychú in August
August is a good time to be in Gualeguaychú. Days are excellent, reaching 20°C (68°F), with nights around 8°C (46°F). The winter season takes place during August. The difference between afternoon and evening temperatures is usually noticeable. With lows around 8°C (46°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Gualeguaychú in August
The month experiences a moderate amount of sunlight, with 167 hours of sunshine. This provides a nice balance between sunshine and clouds.If your ideal day consists of dry skies and pleasant temperatures, May, August and September typically offer the best circumstances for Gualeguaychú.
Gualeguaychú Temperature in August
Min Temperature
8°C (46°F)
Max Temperature
20°C (68°F)
Chance of Rain
24%
Precipitation
89 mm (3.5 in)
Rainy days
7 days
Humidity
74% *
Sunshine
167 hours *
Percentage Sunshine
*
* Data from: Mercedes, Uruguay (49 KM, 30 Miles).
Gualeguaychú Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Gualeguaychú - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Gualeguaychú typically stay consistent throughout August, with daily highs averaging around 20°C (68°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
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather records for Gualeguaychú in August
Browse day-by-day weather records for Gualeguaychú spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Gualeguaychú historical weather extremes in August
Our historical data for Gualeguaychú spans 1976 to 2026, revealing these weather extremes.
- The hottest August day on record in Gualeguaychú reached 35°C (95°F) (August 24, 1996).
- On August 3, 1982, Gualeguaychú saw its coldest August day with temperatures maxing out at 6°C (43°F).
- The lowest overnight temperature recorded in August was -4°C (25°F) (August 14, 2019).
Best Places in Argentina in August
Find out more about the weather in Argentina and which places have the best travel conditions in this month. See all of Argentina 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 Gualeguaychú in August
Comfortable temperatures call for an easy wardrobe in August. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. Bring sunglasses since you'll have some sunny periods throughout the month
What To Do in Gualeguaychú in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
-
Swimming6/10 -
Cycling9/10 -
Walking9/10 -
Camping4/10 -
Outdoor sports9/10
Gualeguaychú 3-Day Forecast
More climate data for Gualeguaychú
Temperature Rainfall Sunshine Humidity
See the full Gualeguaychú climate overview or explore weather in Argentina.
Popular in August
Where to go in August - average daytime high across popular destinations.
Córdoba
21°C (70°F) Salta20°C (68°F) Villa Carlos Paz19°C (66°F) Mendoza17°C (63°F) Buenos Aires
18°C (64°F) Mar del Plata15°C (59°F) San Carlos de Bariloche
6°C (43°F) San Martín de los Andes6°C (43°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
The 10 most alternative cities in South America
Warm Days, Cool Nights: 8 Destinations With the Perfect Day-Night Temperature
Prefer warm sunny days but cool evenings? Compare eight destinations with daytime temperatures of around 25–30°C, cooler nights, low rainfall and plenty of sunshine.
Be amazed by Buenos Aires
The city of beautiful museums, cute streets, green parks, lots of good food, interesting local neighborhoods and impressive historical buildings.
Argentina in November: Where to Go for the Best Weather
Compare November weather in Mendoza, Buenos Aires, Cafayate, Bariloche and Ushuaia to find Argentina's warmest, sunniest and driest places.