Iguazú Falls in August
In August, Iguazú Falls averages 25°C (77°F) during the day and 15°C (59°F) at night, with around 10 days of rain (95 mm total).
High seasonConditions are comfortable for sightseeing without being sweltering. Plan for unsettled weather and bring rain gear.
August offers comfortable temperatures in Iguazú Falls, with some rain to plan around.
How August compares to the rest of the year in Iguazú Falls
August is in the middle of the year for warmth in Iguazú Falls (9th of 12) and one of the driest months (11th of 12). Daytime temperature runs 2°C below the annual average (27°C). August runs 2°C warmer than July (23°C) and warms a further 3°C into September (28°C).
August sunrise & sunset in Iguazú Falls
Times shown for Iguazú Falls local time (America/Argentina/Cordoba), calculated for the 15th of August. They shift by a few minutes day to day across the month.
Photography light in Iguazú Falls — August
Golden-hour and blue-hour windows for the 15th of August, in Iguazú Falls's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Iguazú Falls in August
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on August's tier (High season) and Iguazú Falls's popularity.
Crowds & pricing — August in Iguazú Falls
This is a busy month in Iguazú Falls — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.
Why this tier: excellent tourism weather
Sun & mosquito risk — August in Iguazú Falls
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Iguazú Falls in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 31°C / 87°F | 23°C / 73°F | 218 mm | 26 | — |
| February | 31°C / 87°F | 22°C / 71°F | 147 mm | 20 | — |
| March | 29°C / 85°F | 21°C / 69°F | 172 mm | 20 | — |
| April | 27°C / 81°F | 18°C / 65°F | 130 mm | 14 | — |
| May | 23°C / 74°F | 15°C / 59°F | 174 mm | 16 | — |
| June | 22°C / 72°F | 14°C / 57°F | 131 mm | 12 | — |
| July | 23°C / 73°F | 13°C / 56°F | 98 mm | 9 | — |
| August | 25°C / 77°F | 15°C / 59°F | 95 mm | 10 | — |
| September | 28°C / 82°F | 17°C / 63°F | 132 mm | 14 | — |
| October | 29°C / 83°F | 19°C / 66°F | 219 mm | 19 | — |
| November | 30°C / 85°F | 20°C / 67°F | 164 mm | 17 | — |
| December | 31°C / 87°F | 22°C / 71°F | 206 mm | 20 | — |
Other cities with similar August weather
🌍 See the full ranked list of climate twins for Iguazú Falls in August →
Frequently asked questions
How hot is Iguazú Falls in August?
In August, Iguazú Falls averages a high of 25°C (77°F) and a low of 15°C (59°F) — generally warm.
Does it rain a lot in Iguazú Falls in August?
August can be fairly wet in Iguazú Falls, with about 10 rainy days on average.
Is August a good time to visit Iguazú Falls?
August is warm. It suits travelers who are comfortable with warm weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Iguazú Falls in August?
Pack light layers for warm days and cooler evenings, plus a compact umbrella or rain jacket. See the full August packing list for Iguazú Falls for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.