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Foz do Iguaçu Weather in October
Thinking of visiting Foz do Iguaçu in October? Expect high temperatures reaching 30°C (86°F) during the day, dropping to 19°C (66°F) at night, and be prepared for the wettest month of the year.
Rainfall in Foz do Iguaçu in October
The heaviest rainfall of the year happens this month, with frequent showers. A poncho is your best bet to stay dry. On average, there are about 10 days with rain during this month, averaging 204 mm (8 in). 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 Foz do Iguaçu in October
If you're visiting Foz do Iguaçu in October, expect highs of 30°C (86°F) and overnight lows around 19°C (66°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With lows of 19°C (66°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.
Sunshine in Foz do Iguaçu in October
The days are predominantly sunny, with an estimated total of around 197 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.Our weather planner can help you find worldwide destinations with pleasant weather during this period. August typically offers the best weather for Foz do Iguaçu.
Foz do Iguaçu Temperature in October
Min Temperature
19°C (66°F)
Max Temperature
30°C (86°F)
Chance of Rain
33%
Precipitation
204 mm (8 in)
Rainy days
10 days
Humidity
78%
Sunshine
197 hours
Percentage Sunshine
Foz do Iguaçu Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Foz do Iguaçu - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Foz do Iguaçu 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 records for Foz do Iguaçu in October
Browse day-by-day weather records for Foz do Iguaçu spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Foz do Iguaçu historical weather extremes in October
The extremes listed below come from historical weather data collected in Foz do Iguaçu from 1976 through 2025.
- On October 2, 2020, temperatures climbed to 40°C (104°F), marking the warmest October day on record.
- Nighttime temperatures dropped to 5°C (41°F) on October 4, 1999, marking the coldest October night on record.
- The heaviest October precipitation occurred on October 5, 1978, when 140 mm (5.5 in) of precipitation fell.
Best Places in Brazil in October
Find out more about the weather in Brazil and which places have the best travel conditions in this month. See all of Brazil in October →
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 Foz do Iguaçu 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! And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Foz do Iguaçu in October
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming7/10 -
Cycling7/10 -
Walking7/10 -
Camping6/10 -
Outdoor sports7/10
Foz do Iguaçu 3-Day Forecast
More climate data for Foz do Iguaçu
Temperature Rainfall Sunshine Humidity
See the full Foz do Iguaçu climate overview or explore weather in Brazil.
Popular in October
Where to go in October - average daytime high across popular destinations.
Fortaleza
31°C (88°F) Rio de Janeiro
28°C (82°F) Salvador
28°C (82°F) Sao Paulo27°C (81°F) Búzios
25°C (77°F) Paraty
25°C (77°F) Gramado24°C (75°F) Florianópolis24°C (75°F) Bucket list
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