Best Time to Visit Iguazu Falls for Hiking | Weather by Month

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Outdoor activities Potential

72/100

Good

Based on optimal climate

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Seasonality

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Best Time

July, August, September

Avoid

Avoid (Extreme Weather)

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Weather

16°C – 27°C

Avg Temp Range

Precipitation

Seasonal (check heatmap)

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Good For

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🥾 Planning a hiking trip to Iguazu Falls?

The best time to visit Iguazu Falls for hiking is July, August, September, when trail conditions are most favorable and the weather is more stable. If you're planning your trip around this period, it can be helpful to look into where to stay and how to organize your hikes in advance.

→ Explore places to stay near hiking areas in Iguazu Falls

→ Discover hiking routes and experiences in Iguazu Falls

Climate Heatmap

See at a glance which months offer the best outdoor activities conditions — based on temperature, rainfall and climate scores.

Summer offers the most reliable hiking conditions in Iguazu Falls, with open trails and longer daylight hours.

→ See where to stay in Iguazu Falls

Outdoor activities conditions breakdown

Monthly weather & climate data for Iguazu Falls

Month	Climate Score	Predictability	Avg Temp	Max Temp	Rain (mm)	Rain Days	Humidity	Season
January	22Poor Warm temperatures. High rain conditions.	Predictability 100Weather conditions are fairly consistent throughout the year.	27°	32°	163	11.2	76%	wet
February	25Poor Warm temperatures. High rain conditions.	Predictability 100Weather conditions are fairly consistent throughout the year.	26°	32°	160	12	78%	wet
March	39Poor Warm temperatures. High rain conditions.	Predictability 100Weather conditions are fairly consistent throughout the year.	25°	31°	133	8.4	81%	shoulder
April	56Suboptimal Warm temperatures. High rain conditions.	Predictability 100Weather conditions are fairly consistent throughout the year.	22°	28°	172	9.3	82%	wet
May	45Poor Mild temperatures. High rain conditions.	Predictability 100Weather conditions are fairly consistent throughout the year.	18°	24°	152	9.9	89%	wet
June	45Poor Mild temperatures. High rain conditions.	Predictability 100Weather conditions are fairly consistent throughout the year.	17°	22°	104	8.2	90%	shoulder
July	72Good Mild temperatures. High rain conditions.	Predictability 100Weather conditions are fairly consistent throughout the year.	16°	22°	107	8	84%	shoulder
August	71Good Mild temperatures. Some rain conditions.	Predictability 100Weather conditions are fairly consistent throughout the year.	18°	25°	73	7.5	80%	shoulder
September	61Suboptimal Mild temperatures. High rain conditions.	Predictability 100Weather conditions are fairly consistent throughout the year.	20°	26°	117	10.1	82%	shoulder
October	46Poor Warm temperatures. High rain conditions.	Predictability 90Weather conditions are fairly consistent throughout the year.	22°	28°	217	11.8	79%	wet
November	39Poor Warm temperatures. High rain conditions.	Predictability 100Weather conditions are fairly consistent throughout the year.	24°	30°	186	11.1	76%	wet
December	31Poor Warm temperatures. High rain conditions.	Predictability 100Weather conditions are fairly consistent throughout the year.	26°	32°	161	9.6	74%	wet