Climate Overview
The climate in Cataratas del Iguazú International Airport is warm and mild. The average annual temperature is 22°C and approximately 1665mm of precipitation falls per year. Cataratas del Iguazú International Airport receives a notable amount of rainfall throughout the year, including during its driest month. Cataratas del Iguazú International Airport is in the Southern Hemisphere. The seasons are reversed: summer runs from December to February, while winter falls between June and August. The summer months are: January, February, December. The coldest months are July, June, August, when temperatures can drop to 13°C.
Temperature
Cataratas del Iguazú International Airport sees moderate temperature variation throughout the year, ranging from 13°C to 31°C. The warmest month is January, when average highs reach 31°C and the mean temperature sits around 26°C. July is the coolest month, with minimum temperatures around 13°C and an average of 17°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 4°C shift in average temperatures.
Precipitation
Cataratas del Iguazú International Airport is a fairly wet location, receiving approximately 1665mm of precipitation annually, which averages out to around 139mm per month. The wettest month is October, averaging 209mm of rainfall. December and January also tend to see above-average precipitation. The driest month is July, with just 57mm. That's 152mm less than October, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.
Wind
Cataratas del Iguazú International Airport is relatively calm, with an average annual wind speed of 9km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is August, averaging 10km/h, though still comfortable for most outdoor activities. The calmest conditions occur in February, with average winds dropping to 8km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.
Seasons
1 day until Spring
It is currently winter in Cataratas del Iguazú International Airport, which began on June 21, 2026. Cataratas del Iguazú International Airport is in the Southern Hemisphere, where the seasons are reversed: spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in January at around 31°C, while the coldest stretch bottoms out in July near 13°C. Spring is next, beginning on September 23, 2026 (1 days from now).
Spring
Temperatures range from 17 to 30°C. Rainfall is heavy, totalling around 441mm across the season with a monthly average of 147mm. Winds are generally light, averaging 10km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 21 to 31°C. Rainfall is heavy, totalling around 489mm across the season with a monthly average of 163mm. Winds are generally light, averaging 8km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.
Autumn
Temperatures range from 15 to 30°C. Rainfall is heavy, totalling around 456mm across the season with a monthly average of 152mm. Winds are generally light, averaging 8km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 13 to 25°C. Precipitation is moderate at around 280mm for the season, averaging 93mm per month. Winds are generally light, averaging 10km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Cataratas del Iguazú International Airport is during July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 81mm per month. By contrast, January can be uncomfortably hot with temperatures reaching 31°C. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.
Monthly Climate Data
The table below shows monthly climate averages for Cataratas del Iguazú International Airport based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.
