Foz do Iguaçu Weather in March
During March, Foz do Iguaçu experiences very high daytime temperatures of 31°C (88°F) and cooler nights around 21°C (70°F). Expect quite a bit of rainfall. Around 150 mm (5.9 in) is typical.
Rainfall in Foz do Iguaçu in March
Typically, you can expect about 8 days of rain this month, with 150 mm (5.9 in) on average. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in Foz do Iguaçu in March
Expect highs of 31°C (88°F) in Foz do Iguaçu in March, with nights dropping to around 21°C (70°F). The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. At 21°C (70°F) overnight, nights are warm enough to sit outside comfortably in light clothing.
Sunshine in Foz do Iguaçu in March
The days are predominantly sunny, with an estimated total of around 210 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.For Foz do Iguaçu itself, August generally stands out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Brazil, check out our Foz do Iguaçu's climate page.
Foz do Iguaçu Temperature in March
Min Temperature
21°C (70°F)
Max Temperature
31°C (88°F)
Chance of Rain
25%
Precipitation
150 mm (5.9 in)
Rainy days
8 days
Humidity
82%
Sunshine
210 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Foz do Iguaçu typically stay consistent throughout March, with daily highs averaging around 31°C (88°F). Nights are pleasant, with lows typically ranging from 19°C (66°F) to 21°C (70°F).
Average temperatures in March
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 March
Historical weather for Foz do Iguaçu in March
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 March
Based on weather observations in Foz do Iguaçu between 1976 and 2026, these are the recorded extremes during March.
- On March 12, 2005, temperatures climbed to 40°C (104°F), marking the warmest March day on record.
- On March 31, 1977, Foz do Iguaçu saw its coldest March day with temperatures maxing out at 20°C (68°F).
- Nighttime temperatures dropped to 7°C (45°F) on March 28, 2012, marking the coldest March night on record.
Best Places in Brazil in March
Find out more about the weather in Brazil and which places have the best travel conditions in this month. See all of Brazil in March →
perfect weather
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tolerable
unpleasant
poor
What to Wear in Foz do Iguaçu in March
Warm weather calls for comfortable, breathable clothing in March. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Foz do Iguaçu in March
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 Brazil, check out our Foz do Iguaçu's climate page.
Temperature Rainfall Sunshine Humidity
See the full Foz do Iguaçu climate overview or explore weather in Brazil.
