Foz do Iguaçu Weather
Foz do Iguaçu weather today, the 14-day forecast, and average temperature, rain and what to wear for every month — compared against Hong Kong. Best months to visit: Mar, Apr, May, Jun, Jul, Aug and Sep.
Foz do Iguaçu current weather
Foz do Iguaçu now (local time 05:15)
19°C
Drizzle
- Feels like
- 20°
- Humidity
- 98%
- Wind
- 13 km/h
Next 7 days · what to wear
19° – 29°C
Rain likely on 7 of 7 days
👕 Short sleeves, plus a light layer for air-conditioned interiors; it's wet, so pack a compact umbrella.
Foz do Iguaçu 14-day forecast
Today
10/4
⛈️
26°
19°
💧100%
Mon
10/5
⛈️
24°
20°
💧98%
Tue
10/6
⛈️
27°
20°
💧71%
Wed
10/7
⛈️
29°
20°
💧65%
Thu
10/8
⛈️
25°
22°
💧84%
Fri
10/9
⛈️
26°
22°
💧95%
Sat
10/10
⛈️
27°
21°
💧85%
Sun
10/11
🌦️
25°
21°
💧49%
Mon
10/12
🌦️
25°
20°
💧77%
Tue
10/13
⛈️
24°
19°
💧82%
Wed
10/14
🌦️
26°
21°
💧69%
Thu
10/15
🌦️
25°
20°
💧37%
Fri
10/16
🌦️
26°
18°
💧27%
Sat
10/17
🌤️
26°
16°
💧22%
Best time to visit Foz do Iguaçu
On temperature and rainfall, the most comfortable months in Foz do Iguaçu are Mar, Apr, May, Jun, Jul, Aug and Sep. The hottest month is January (average high 32°C) and the coldest is July (average low 13°C).
Foz do Iguaçu climate by month
| Month | Avg high | Avg low | Rain | Humidity | vs Hong Kong |
|---|---|---|---|---|---|
| Jan | 32°C | 24°C | 147 mm | 73% | +11°C |
| Feb | 32°C | 23°C | 129 mm | 72% | +10°C |
| MarBest | 32°C | 22°C | 117 mm | 71% | +7°C |
| AprBest | 29°C | 19°C | 124 mm | 74% | +1°C |
| MayBest | 24°C | 15°C | 163 mm | 80% | -7°C |
| JunBest | 22°C | 14°C | 108 mm | 83% | -11°C |
| JulBest | 22°C | 13°C | 85 mm | 80% | -12°C |
| AugBest | 24°C | 14°C | 70 mm | 74% | -10°C |
| SepBest | 27°C | 16°C | 121 mm | 71% | -7°C |
| Oct | 29°C | 20°C | 211 mm | 75% | -2°C |
| Nov | 30°C | 21°C | 159 mm | 73% | +3°C |
| Dec | 32°C | 23°C | 179 mm | 71% | +9°C |
Data: NASA POWER 2001–2020 climatology (MERRA-2, elevation-corrected); Hong Kong comparison uses HKO 1991–2020 normals.
Foz do Iguaçu weather month by month: what to wear
Foz do Iguaçu in OctoberThis month
October in Foz do Iguaçu is warm to hot: average highs of 29°C and lows of 20°C, around 211 mm of rain (wet) and 75% humidity — about 2°C colder than Hong Kong.
👕 Short sleeves, plus a light layer for air-conditioned interiors; big day–night swing, so dress in layers; it's wet, so pack a compact umbrella.
Foz do Iguaçu in November
November in Foz do Iguaçu is warm to hot: average highs of 30°C and lows of 21°C, around 159 mm of rain (wet) and 73% humidity — about 3°C warmer than Hong Kong.
👕 T-shirts, shorts and breathable fabrics; sunscreen and water; big day–night swing, so dress in layers; it's wet, so pack a compact umbrella.
Foz do Iguaçu in December
December in Foz do Iguaçu is hot: average highs of 32°C and lows of 23°C, around 179 mm of rain (wet) and 71% humidity — about 9°C warmer than Hong Kong.
👕 T-shirts, shorts and breathable fabrics; sunscreen and water; big day–night swing, so dress in layers; it's wet, so pack a compact umbrella.
Foz do Iguaçu in January
January in Foz do Iguaçu is hot: average highs of 32°C and lows of 24°C, around 147 mm of rain (some rain) and 73% humidity — about 11°C warmer than Hong Kong.
👕 T-shirts, shorts and breathable fabrics; sunscreen and water.
Foz do Iguaçu in February
February in Foz do Iguaçu is hot: average highs of 32°C and lows of 23°C, around 129 mm of rain (some rain) and 72% humidity — about 10°C warmer than Hong Kong.
👕 T-shirts, shorts and breathable fabrics; sunscreen and water.
Foz do Iguaçu in MarchBest month
March in Foz do Iguaçu is hot: average highs of 32°C and lows of 22°C, around 117 mm of rain (some rain) and 71% humidity — about 7°C warmer than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 T-shirts, shorts and breathable fabrics; sunscreen and water; big day–night swing, so dress in layers.
Foz do Iguaçu in AprilBest month
April in Foz do Iguaçu is warm to hot: average highs of 29°C and lows of 19°C, around 124 mm of rain (some rain) and 74% humidity — about the same as Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves, plus a light layer for air-conditioned interiors; big day–night swing, so dress in layers.
Foz do Iguaçu in MayBest month
May in Foz do Iguaçu is pleasantly warm: average highs of 24°C and lows of 15°C, around 163 mm of rain (wet) and 80% humidity — about 7°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings; big day–night swing, so dress in layers; it's wet, so pack a compact umbrella.
Foz do Iguaçu in JuneBest month
June in Foz do Iguaçu is pleasantly warm: average highs of 22°C and lows of 14°C, around 108 mm of rain (some rain) and 83% humidity — about 11°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings.
Foz do Iguaçu in JulyBest month
July in Foz do Iguaçu is pleasantly warm: average highs of 22°C and lows of 13°C, around 85 mm of rain (some rain) and 80% humidity — about 12°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings; big day–night swing, so dress in layers.
Foz do Iguaçu in AugustBest month
August in Foz do Iguaçu is pleasantly warm: average highs of 24°C and lows of 14°C, around 70 mm of rain (mostly dry) and 74% humidity — about 10°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings; big day–night swing, so dress in layers.
Foz do Iguaçu in SeptemberBest month
September in Foz do Iguaçu is warm to hot: average highs of 27°C and lows of 16°C, around 121 mm of rain (some rain) and 71% humidity — about 7°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves, plus a light layer for air-conditioned interiors; big day–night swing, so dress in layers.
FAQ
›What is the best time to visit Foz do Iguaçu?
On temperature and rainfall, the most comfortable months in Foz do Iguaçu are Mar, Apr, May, Jun, Jul, Aug and Sep. The hottest month is January (average high 32°C) and the coldest is July (average low 13°C).
›What's the weather like in Foz do Iguaçu in October, and what should I wear?
October in Foz do Iguaçu is warm to hot: average highs of 29°C and lows of 20°C, around 211 mm of rain (wet) and 75% humidity — about 2°C colder than Hong Kong. What to wear: Short sleeves, plus a light layer for air-conditioned interiors; big day–night swing, so dress in layers; it's wet, so pack a compact umbrella.
›What's the weather like in Foz do Iguaçu in November, and what should I wear?
November in Foz do Iguaçu is warm to hot: average highs of 30°C and lows of 21°C, around 159 mm of rain (wet) and 73% humidity — about 3°C warmer than Hong Kong. What to wear: T-shirts, shorts and breathable fabrics; sunscreen and water; big day–night swing, so dress in layers; it's wet, so pack a compact umbrella.
›When is the rainy season in Foz do Iguaçu?
Foz do Iguaçu is wettest in October, with about 211 mm on average, and driest in August, with about 70 mm.
›How cold does Foz do Iguaçu get? Does it snow?
The coldest month is July, averaging 22°C by day and 13°C at night. Snow is very unlikely.
Planning a trip to Foz do Iguaçu?
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Forecast data: Open-Meteo.com (CC BY 4.0), refreshed every 3 hours. Hottest month: January; coldest: July.