AR Iguazú · Summer

Visit Iguazú
in August?

Good window in August — September is a notch above.

Open-Meteo · 10 years · 12 months compared · -25.69°N 54.44°W
79°FMax temperature
23%Rainy days
10.7hSunshine / day

Iguazú weather in August

✅ Good
🌡️ Temperature min / max
59°F – 79°F
🌧 Rainy days
23% of days
☀️ Sunshine
10.7h per day on average
🌊 🌊 Season
Summer
⭐ ⭐ Weather score
8.3/10
📅 📅 Best month
September (8.4/10)

Should you visit Iguazú in August?

✅ Good

✅ Yes if: you want long sunny days and outdoor activities.

❌ No if: you want to avoid summer crowds — this is peak tourist season.

🌧 Rain : ██░░░░░░░░ 23%
🌡 Temperature : ██████░░░░ 79°F
☀️ Sunshine : ████████░░ 10.7h/d

Our take: Iguazú in August: 79°F and 10.7h of sunshine. Decent, but not the peak.

Iguazú in August by trip type

What to expect in August

Summer in Iguazú brings pleasant temperatures (26°F) and long sunny days (10.7h of sunshine). Rain risk remains low (23% of days), leaving good room for outdoor activities. A good balance between weather and crowds, even if September (8.4/10) remains theoretically better.

All months for Iguazú

Month-by-month comparison

MonthMin °FMax °FRain %Precip inSun h/dScore
🌤️ January73°F90°F54%0.3in12.3h7.2/10
🌤️ February73°F90°F47%0.2in12.1h7.3/10
🌤️ March72°F88°F42%0.2in11.5h7.5/10
🌤️ April68°F82°F30%0.2in10.9h8.3/10
🌤️ May63°F77°F35%0.2in9.7h7.7/10
🌤️ June59°F73°F31%0.2in9.9h7.6/10
🌤️ July59°F75°F19%0.1in10.2h8.1/10
☀️ August59°F79°F23%0.1in10.7h8.3/10
🌤️ September64°F82°F28%0.1in11.0h8.4/10
🌤️ October66°F82°F46%0.3in11.2h7.8/10
🌤️ November70°F88°F36%0.2in12.8h7.7/10
🌤️ December72°F90°F48%0.2in13.0h7.4/10
Ideal Fair Challenging climate ◀ Current month · Source Open-Meteo · 10 years
📊 Data source Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In August, Iguazú averages 79°F, 23% rainy days and 10.7h of sunshine per day. Overall weather score: 8.3/10. See methodology →

August vs September (best month)

The best month is September (score 8.4/10). Difference:

FAQ — Iguazú in August

Is August a good time to visit Iguazú?
August is an excellent time to visit Iguazú (score 8.3/10). With 79°F, 10.7h of sunshine and 23% rain, conditions are very favourable.
What to do in Iguazú in August?
With 79°F and 10.7h of sunshine, all outdoor activities are possible: hiking, sightseeing and terraces.

Find a place to stay in Iguazú

Find places to stay in Iguazú in August Search on Hotels.com

Activities and tours in Iguazú

Guided tours, skip-the-line tickets and local experiences. Browse activities on GetYourGuide

Find a flight to Iguazú

Compare flights from all airlines. Search flights

Similar destinations in August

Other top destinations in August

Compare destinations by weather

Explore or compare

📅 Live forecast — next 12 months

Real-time data with ECMWF seasonal corrections · updated daily

Try the weather app