Puerto Iguazú Weather in October
Puerto Iguazú in October averages 30°C (86°F) during the day and 18°C (64°F) at night. This is the wettest month of the year.
Rainfall in Puerto Iguazú in October
This month marks the year's heaviest rainfall, with frequent intense showers. It's advisable to be prepared with appropriate rain gear to stay dry. Expect around 10 days of rain based on historical data, with 207 mm (8.1 in) 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 Puerto Iguazú in October
In October, Puerto Iguazú sees high temperatures, with highs of 30°C (86°F). Nights drop to around 18°C (64°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights drop to around 18°C (64°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.
Sunshine in Puerto Iguazú in October
The month brings about 167 hours of sunlight, offering a comfortable mix of sun and overcast.If you prefer dry days with pleasant temperatures, October may not be the ideal month to visit Puerto Iguazú. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Argentina, check out our Puerto Iguazú's climate page.
Puerto Iguazú Temperature in October
Min Temperature
18°C (64°F)
Max Temperature
30°C (86°F)
Chance of Rain
33%
Precipitation
207 mm (8.1 in)
Rainy days
10 days
Humidity
78%
Sunshine
167 hours
Percentage Sunshine
43%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Puerto Iguazú typically stay consistent throughout October, with daily highs averaging around 30°C (86°F). Nights are pleasant, with lows typically ranging from 16°C (61°F) to 19°C (66°F).
Average temperatures in October
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 October
Historical weather for Puerto Iguazú in October
Browse day-by-day weather records for Puerto Iguazú spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Puerto Iguazú historical weather extremes in October
According to our 49 years of weather records for Puerto Iguazú, the following extremes were recorded between 1976 and 2025.
- The hottest October day on record in Puerto Iguazú reached 40°C (104°F) (October 2, 2020).
- The lowest overnight temperature recorded in October was 4°C (39°F) (October 4, 1999).
- The heaviest October precipitation occurred on October 5, 1978, when 140 mm (5.5 in) of precipitation fell.
Best Places in Argentina in October
Find out more about the weather in Argentina and which places have the best travel conditions in this month. See all of Argentina in October →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Puerto Iguazú in October
Warm temperatures in October make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Puerto Iguazú in October
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Argentina, check out our Puerto Iguazú's climate page.
Temperature Rainfall Sunshine Humidity
See the full Puerto Iguazú climate overview or explore weather in Argentina.
