☀️ SunnyWhen

Best Time to Visit Foz do Iguacu

Brazil · 30-year monthly climate averages

☀️ When to go

Based on 30 years of climate data, the most comfortable months to visit Foz do Iguacu are June, July and August, when daytime temperatures are agreeable and rainfall is relatively low.

JuneJulyAugust

Climate profile

Foz do Iguacu sees its warmest weather in January, when daytime highs average around 32°C, and its coolest in June (around 22°C).

Annual precipitation totals roughly 1960mm — October is typically the wettest month (~247mm) and August the driest (~84mm).

A distinctly wetter period runs from September to June — worth planning around if you prefer dry days.

January is the sunniest month, with about 202 hours of sunshine.

Year at a glance

JanFebMarAprMayJunJulAugSepOctNovDec0°16°32°

🟧 avg daytime high · 🟦 dashed: avg nighttime low · bars: monthly rainfall

🔥 Recent heat vs normal

Daily forecast highs vs the 30-year normal — last 61 days

19/ 61
days ≥2°C above normal
34°C
highest recorded · September 29
-0.4°C
avg anomaly · vs 30-year normal
2026-08-01: +2.3°C2026-08-02: +2.3°C2026-08-03: +2.3°C2026-08-04: +1.1°C2026-08-05: +0.6°C2026-08-06: +0.2°C2026-08-07: -6.3°C2026-08-08: -0.8°C2026-08-09: -5.2°C2026-08-10: -1.8°C2026-08-11: -2.7°C2026-08-12: 0.0°C2026-08-13: -1.4°C2026-08-14: -1.5°C2026-08-15: +3.5°C2026-08-16: +4.3°C2026-08-17: +5.5°C2026-08-18: +5.4°C2026-08-19: -0.2°C2026-08-20: -7.7°C2026-08-21: -5.1°C2026-08-22: -3.9°C2026-08-23: -2.2°C2026-08-24: -2.0°C2026-08-25: -0.6°C2026-08-26: +1.0°C2026-08-27: +3.0°C2026-08-28: +7.8°C2026-08-29: +6.3°C2026-08-30: +3.8°C2026-08-31: -1.8°C2026-09-01: -2.6°C2026-09-02: -1.8°C2026-09-03: +0.6°C2026-09-04: -0.5°C2026-09-05: -5.3°C2026-09-06: -9.4°C2026-09-07: -7.1°C2026-09-08: -3.3°C2026-09-09: -3.6°C2026-09-10: -1.4°C2026-09-11: +2.9°C2026-09-12: -4.9°C2026-09-13: -6.1°C2026-09-14: -5.0°C2026-09-15: -3.6°C2026-09-16: -2.5°C2026-09-17: -0.4°C2026-09-18: +1.1°C2026-09-19: -0.7°C2026-09-20: +3.3°C2026-09-21: +2.4°C2026-09-22: -4.5°C2026-09-23: -4.4°C2026-09-24: -0.8°C2026-09-25: +2.1°C2026-09-26: +5.2°C2026-09-27: +6.3°C2026-09-28: +6.7°C2026-09-29: +7.0°C2026-09-30: -1.0°C

Each bar is one day: orange above normal, blue below.

Month by month

MonthHigh / LowRainfallTravel rating
January32° / 21°C180mm⚠️ Challenging
February32° / 20°C150mm🤔 Fair
March31° / 19°C153mm🤔 Fair
April28° / 17°C161mm🤔 Fair
May24° / 13°C186mm👍 Good
June22° / 12°C146mm👍 Good
July23° / 11°C107mm🌟 Great
August25° / 12°C84mm🌟 Great
September27° / 14°C155mm👍 Good
October29° / 17°C247mm🤔 Fair
November30° / 18°C172mm🤔 Fair
December31° / 20°C219mm⚠️ Challenging

Foz do Iguacu Weather in January

⚠️ Challenging time to visit

January in Foz do Iguacu is hot, with average daytime highs around 32°C (90°F) and nighttime lows near 21°C (69°F). Expect roughly 180mm of precipitation spread over about 9 rainy days, and this is one of the wetter months.

Avg high
32°C
90°F
Avg low
21°C
69°F
Rainfall
180mm
rainy
Rainy days
9
days with ≥1mm

☀️ About 202 hours of sunshine over the month (~7h/day).

🎒 What to pack — breathable summer clothing · sunscreen, hat and sunglasses · refillable water bottle · compact umbrella or rain jacket

Foz do Iguacu Weather in February

🤔 Fair time to visit

February in Foz do Iguacu is hot, with average daytime highs around 32°C (89°F) and nighttime lows near 20°C (69°F). Expect roughly 150mm of precipitation spread over about 9 rainy days, and this is one of the wetter months.

Avg high
32°C
89°F
Avg low
20°C
69°F
Rainfall
150mm
rainy
Rainy days
9
days with ≥1mm

☀️ About 182 hours of sunshine over the month (~6h/day).

🎒 What to pack — breathable summer clothing · sunscreen, hat and sunglasses · refillable water bottle · compact umbrella or rain jacket

Foz do Iguacu Weather in March

🤔 Fair time to visit

March in Foz do Iguacu is hot, with average daytime highs around 31°C (87°F) and nighttime lows near 19°C (67°F). Expect roughly 153mm of precipitation spread over about 8 rainy days, and this is one of the wetter months.

Avg high
31°C
87°F
Avg low
19°C
67°F
Rainfall
153mm
rainy
Rainy days
8
days with ≥1mm

☀️ About 174 hours of sunshine over the month (~6h/day).

🎒 What to pack — breathable summer clothing · sunscreen, hat and sunglasses · refillable water bottle · compact umbrella or rain jacket

Foz do Iguacu Weather in April

🤔 Fair time to visit

April in Foz do Iguacu is warm, with average daytime highs around 28°C (82°F) and nighttime lows near 17°C (62°F). Expect roughly 161mm of precipitation spread over about 7 rainy days, and this is one of the wetter months.

Avg high
28°C
82°F
Avg low
17°C
62°F
Rainfall
161mm
rainy
Rainy days
7
days with ≥1mm

☀️ About 167 hours of sunshine over the month (~6h/day).

🎒 What to pack — light summer clothing · sunscreen and sunglasses · compact umbrella or rain jacket

Foz do Iguacu Weather in May

👍 Good time to visit

May in Foz do Iguacu is pleasantly warm, with average daytime highs around 24°C (74°F) and nighttime lows near 13°C (56°F). Expect roughly 186mm of precipitation spread over about 8 rainy days, and this is one of the wetter months.

Avg high
24°C
74°F
Avg low
13°C
56°F
Rainfall
186mm
rainy
Rainy days
8
days with ≥1mm

☀️ About 132 hours of sunshine over the month (~4h/day).

🎒 What to pack — light layers · comfortable walking shoes · compact umbrella or rain jacket

Foz do Iguacu Weather in June

👍 Good time to visit

June in Foz do Iguacu is pleasantly warm, with average daytime highs around 22°C (72°F) and nighttime lows near 12°C (54°F). Expect roughly 146mm of precipitation spread over about 8 rainy days, and this is one of the wetter months.

Avg high
22°C
72°F
Avg low
12°C
54°F
Rainfall
146mm
rainy
Rainy days
8
days with ≥1mm

☀️ About 112 hours of sunshine over the month (~4h/day).

🎒 What to pack — light layers · comfortable walking shoes · compact umbrella or rain jacket

Foz do Iguacu Weather in July

🌟 Great time to visit

July in Foz do Iguacu is pleasantly warm, with average daytime highs around 23°C (73°F) and nighttime lows near 11°C (52°F). Expect roughly 107mm of precipitation spread over about 7 rainy days, with a moderate amount of rain.

Avg high
23°C
73°F
Avg low
11°C
52°F
Rainfall
107mm
moderate
Rainy days
7
days with ≥1mm

☀️ About 141 hours of sunshine over the month (~5h/day).

🎒 What to pack — light layers · comfortable walking shoes

Foz do Iguacu Weather in August

🌟 Great time to visit

August in Foz do Iguacu is warm, with average daytime highs around 25°C (77°F) and nighttime lows near 12°C (54°F). Expect roughly 84mm of precipitation spread over about 6 rainy days, with a moderate amount of rain.

Avg high
25°C
77°F
Avg low
12°C
54°F
Rainfall
84mm
moderate
Rainy days
6
days with ≥1mm

☀️ About 172 hours of sunshine over the month (~6h/day).

🎒 What to pack — light summer clothing · sunscreen and sunglasses

Foz do Iguacu Weather in September

👍 Good time to visit

September in Foz do Iguacu is warm, with average daytime highs around 27°C (80°F) and nighttime lows near 14°C (58°F). Expect roughly 155mm of precipitation spread over about 8 rainy days, and this is one of the wetter months.

Avg high
27°C
80°F
Avg low
14°C
58°F
Rainfall
155mm
rainy
Rainy days
8
days with ≥1mm

☀️ About 132 hours of sunshine over the month (~4h/day).

🎒 What to pack — light summer clothing · sunscreen and sunglasses · compact umbrella or rain jacket

Foz do Iguacu Weather in October

🤔 Fair time to visit

October in Foz do Iguacu is warm, with average daytime highs around 29°C (84°F) and nighttime lows near 17°C (63°F). Expect roughly 247mm of precipitation spread over about 11 rainy days, and heavy rainfall is common — this is peak wet season territory.

Avg high
29°C
84°F
Avg low
17°C
63°F
Rainfall
247mm
very wet
Rainy days
11
days with ≥1mm

☀️ About 163 hours of sunshine over the month (~5h/day).

🎒 What to pack — light summer clothing · sunscreen and sunglasses · compact umbrella or rain jacket

Foz do Iguacu Weather in November

🤔 Fair time to visit

November in Foz do Iguacu is hot, with average daytime highs around 30°C (86°F) and nighttime lows near 18°C (64°F). Expect roughly 172mm of precipitation spread over about 8 rainy days, and this is one of the wetter months.

Avg high
30°C
86°F
Avg low
18°C
64°F
Rainfall
172mm
rainy
Rainy days
8
days with ≥1mm

☀️ About 199 hours of sunshine over the month (~7h/day).

🎒 What to pack — breathable summer clothing · sunscreen, hat and sunglasses · refillable water bottle · compact umbrella or rain jacket

Foz do Iguacu Weather in December

⚠️ Challenging time to visit

December in Foz do Iguacu is hot, with average daytime highs around 31°C (88°F) and nighttime lows near 20°C (68°F). Expect roughly 219mm of precipitation spread over about 10 rainy days, and heavy rainfall is common — this is peak wet season territory.

Avg high
31°C
88°F
Avg low
20°C
68°F
Rainfall
219mm
very wet
Rainy days
10
days with ≥1mm

☀️ About 188 hours of sunshine over the month (~6h/day).

🎒 What to pack — breathable summer clothing · sunscreen, hat and sunglasses · refillable water bottle · compact umbrella or rain jacket

FAQ

What is the best time to visit Foz do Iguacu?
Based on 30 years of climate data, the most comfortable months to visit Foz do Iguacu are June, July and August, when daytime temperatures are agreeable and rainfall is relatively low.
What is the hottest month in Foz do Iguacu?
January is typically the hottest month in Foz do Iguacu, with average daytime highs around 32°C.
What is the rainiest month in Foz do Iguacu?
October is usually the wettest month, with around 247mm of precipitation.