Iguazú Falls in October
In October, Iguazú Falls averages 29°C (83°F) during the day and 19°C (66°F) at night, with frequent rain — about 19 days of the month see precipitation (219 mm total).
ShoulderConditions are warm and beach-friendly. Expect daily rain or showers, often in heavy bursts.
October offers comfortable temperatures in Iguazú Falls, with some rain to plan around.
How October compares to the rest of the year in Iguazú Falls
October is in the middle of the year for warmth in Iguazú Falls (6th of 12) and moderately rainy compared to the rest of the year (5th of 12). Daytime temperature runs 1°C above the annual average (27°C). October runs 1°C warmer than September (28°C) and warms a further 1°C into November (30°C).
October sunrise & sunset in Iguazú Falls
Times shown for Iguazú Falls local time (America/Argentina/Cordoba), calculated for the 15th of October. They shift by a few minutes day to day across the month.
Photography light in Iguazú Falls — October
Golden-hour and blue-hour windows for the 15th of October, in Iguazú Falls's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Iguazú Falls in October
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 October's tier (Shoulder) and Iguazú Falls's popularity.
Crowds & pricing — October in Iguazú Falls
Iguazú Falls is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.
Sun & mosquito risk — October 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 October weather
🌍 See the full ranked list of climate twins for Iguazú Falls in October →
Frequently asked questions
How hot is Iguazú Falls in October?
In October, Iguazú Falls averages a high of 29°C (83°F) and a low of 19°C (66°F) — generally warm.
Does it rain a lot in Iguazú Falls in October?
October is quite rainy in Iguazú Falls, with about 19 rainy days on average.
Is October a good time to visit Iguazú Falls?
October is warm but on the rainy side. 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 October?
Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full October packing list for Iguazú Falls for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.