Climate and monthly weather forecast
Cataratas del Iguazú, Argentina

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The climate of Cataratas del Iguazú

Cataratas del Iguazú, Argentina, lies within the Cfa category of the Köppen climate classification which signifies a humid subtropical climate, with no dry season. This geographical location means the region experiences warm weather throughout the year, making it a habitat for an array of flora and fauna.

Analyzing the climatological data, it becomes evident that the Cataratas del Iguazú area is characterized by high levels of humidity, fluctuating between 74% to 87%. This is complimented by the presence of breeze throughout the year, with the wind speed varying within a narrow band, from 6.6km/h (4.1mph) to 8.5km/h (5.3mph). As far as temperature is concerned, this location sees a fluctuation from 12.3°C (54.1°F) to 31.3°C (88.3°F) over the course of the year. While there can be a considerable disparity in temperature between different times of the year, the overall average temperature remains relatively high.

In terms of rainfall, Cataratas del Iguazú sees ample precipitation throughout the year. However, a moderate climatic variance does exist. The maximum average rainfall is witnessed in the month of October, measuring 125mm (4.92"). On the flip side, the least precipitation is observed in August, with an average measurement of 47mm (1.85"). Furthermore, the average number of daylight hours experiences a subtle variation, between a maximum of 13.7 hours in December to a minimum of 10.6 hours in June.

The best time to visit Cataratas del Iguazú

The best time to visit Cataratas del Iguazú largely depends on an individual's weather preferences. However, considering various climatological factors, the balmy spring months from September to November could provide an optimal experience for most visitors. During this period, one can avoid the scorching summer temperatures and still appreciate extended daylight hours, with an average of 12 hours to 13.4 hours of daylight. Moreover, the precipitation levels tend to be moderate, providing a comfortable climate to explore the outdoor wonders of the region.

The worst time to visit Cataratas del Iguazú

Conversely, the least favorable time to visit Cataratas del Iguazú could be the winter months from June to August. This is primarily due to the relatively lower temperatures, which can drop to an average minimum of 12.3°C (54.1°F). Moreover, with an average of only 10.6 to 11.2 hours of daylight in these months, the day ends early, leaving lesser time for outdoor activities.

Spring weather in Cataratas del Iguazú

Spring in Cataratas del Iguazú, extending from September to November, paints a delightful picture of favourable weather conditions. The temperature in this season ranges from a minimum of 13.4°C (56.1°F) to a maximum of 28.6°C (83.5°F). It is further accompanied by 9.7 to 15.7 days of rainfall per month, ensuring a pleasant, damp environment. Additionally, daylight hours extend progressively during the season, providing ample time for sightseeing and exploration.

Summer weather in Cataratas del Iguazú

Summer, extending from December to February, is characterized by high temperatures in Cataratas del Iguazú. The temperature can soar up to 31.3°C (88.3°F). Humidity also tends to be high during the summer months, averaging between 78% to 79%. Despite these soaring temperatures, visitors can find solace in the extended daylight hours, providing ample time for pursuits.

Autumn weather in Cataratas del Iguazú

During the autumn months, from March to May, temperature starts showing a downward trend, varying between 14.4°C (57.9°F) to 30.3°C (86.5°F). Precipitation levels stay quite high with an average rainfall between 75mm (2.95") to 114mm (4.49"). The weather during these months can be quite comfortable for outdoor activities, as the harsh heat of summer begins to subside.

Winter weather in Cataratas del Iguazú

Winter in Cataratas del Iguazú is characterized by the coolest temperatures of the year, ranging from 12.3°C (54.1°F) to 21.3°C (70.3°F) from June to August. Despite experiencing the shortest daylight hours in a year, the number of sunshine days rises, allowing some warm and clear days for exploration. The mean monthly rainfall dips to its lowest in August at 47mm (1.85"), providing a drier atmosphere compared to other seasons.

Weather in January

Cataratas del Iguazú starts its calendar year with humid weather characterized by contrasts in daily high and low temperatures. January brings notable heat with temperatures ranging from a sweltering high of 31.3°C (88.3°F) to a balmy low of 20.8°C (69.4°F). Weather in January »

Weather in February

The weather in Cataratas del Iguazú enters its second month with similar conditions to those in January. February continues the high-temperature trend with only a slight drop in humidity levels. The visibility remains constant, preserving an unobstructed view of the stunning waterfalls. Weather in February »

Weather in March

March ushers in a subtle transition in the weather of Cataratas del Iguazú. Compared to its preceding months, it registers a noticeable decline in temperatures, from 31.3°C (88.3°F) in February to 30.3°C (86.5°F) in this month. Weather in March »

Weather in April

April marks a significant shift in Cataratas del Iguazú's climatic pattern, steering away from the intense heat of its preceding months. The average high and low temperatures fall to 27.5°C (81.5°F) and 16.8°C (62.2°F) respectively, bringing forth a refreshing change. Weather in April »

Weather in May

May greets Cataratas del Iguazú with a further drop in temperature, paving the way for the colder months. This month's relative humidity levels peak at 86%, distinguishing it from the surrounding months. Despite the rise in humidity, May's cooling trend counteracts potential discomfort, providing an enjoyable climate. Weather in May »

Weather in June

Cataratas del Iguazú arrives at its mid-year with the advent of cooler temperatures. June stands out with temperatures plunging to their annual low of 21.2°C (70.2°F) during day and 12.8°C (55°F) at night. Despite minimal rainfall, the city retains its lush landscape. Weather in June »

Weather in July

July brings along the subtle onset of winter in Cataratas del Iguazú, introducing a noticeable chill in the air. This month holds the distinction of minimum rainfall, with a record low of 64mm (2.52"). Despite the cold, activities in the city continue unabated, offering visitors plenty of enjoyment. Weather in July »

Weather in August

As August enters, a notable rise in temperature gives a refreshing feel to the weather of Cataratas del Iguazú. Despite the increase in temperature from July, temperatures still linger in the mild range, making it comfortable for outdoor activities. Weather in August »

Weather in September

September brings with it a gradual rise in temperatures, signifying the end of the brief winter period in Cataratas del Iguazú. The daylight hours extend further, inviting more tourists to relish the city's outdoor attractions. Weather in September »

Weather in October

October introduces Cataratas del Iguazú to its second rainiest month of the year, with a marked surge to 125mm (4.92") precipitation. Throughout the month, visitors should be prepared for unexpected downpours, adding a unique dimension to the city's climate. Weather in October »

Weather in November

As November arrives, the rainfall in Cataratas del Iguazú slightly recedes while temperatures continue on an upward trend. This fluctuation of climatic variables creates a pleasant equilibrium in the city's weather. Despite a marginally reduced rainfall, the cityscape remains radiant with lush trees and shimmering waterfalls. Weather in November »

Weather in December

Closing the calendar year, December returns to the high temperature trend with increased rainfall. Despite this return to warm and humid conditions, Cataratas del Iguazú continues to attract a significant volume of tourists. The high pressure throughout the month contributes to a stable and predictable climate pattern. Weather in December »
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Frequently asked questions

What are the warmest months in Cataratas del Iguazú?

January and February are known as Cataratas del Iguazú's warmest months, with an average high-temperature of 31.3°C (88.3°F).

How much does it rain in Cataratas del Iguazú?

In Cataratas del Iguazú, Argentina, during the entire year, the rain falls for 165.2 days and collects up to 1060mm (41.73") of precipitation.

What is the month with the highest UV index in Cataratas del Iguazú?

January is the month with the highest UV index in Cataratas del Iguazú, with an average maximum UV index of 7.

When is the lowest UV index in Cataratas del Iguazú?

May and June, with an average maximum UV index of 4, are months with the lowest UV index in Cataratas del Iguazú.

What is the coldest time of year in Cataratas del Iguazú?

The coldest temperatures occur during June, when averages reach a peak of 21.2°C (70.2°F) and a low of 12.8°C (55°F).

What is the most humid month in Cataratas del Iguazú?

June is the most humid month in Cataratas del Iguazú, Argentina, with an average relative humidity of 87%.

What is the month with the shortest days in Cataratas del Iguazú?

June has the shortest days of the year in Cataratas del Iguazú, Argentina, with an average of 10h and 36min of daylight.

What is the month with the least sunshine in Cataratas del Iguazú?

June has the least sunshine of the year in Cataratas del Iguazú, Argentina, with an average of 7.1h of sunshine.

What is the driest month in Cataratas del Iguazú?

The month with the least rainfall in Cataratas del Iguazú, Argentina, is August, when the rain falls for 8.9 days and typically collects 47mm (1.85") of precipitation.

What is the least humid month in Cataratas del Iguazú?

With an average relative humidity of 74%, September is the least humid month in Cataratas del Iguazú, Argentina.

What is the rainiest month in Cataratas del Iguazú?

The month with the most rainfall is October, when the rain falls for 15.7 days and typically aggregates up to 125mm (4.92") of precipitation.

What is the month with the most sunshine in Cataratas del Iguazú?

The months with the most sunshine in Cataratas del Iguazú are November and December, with an average of 8.7h of sunshine.

When are the longest days in Cataratas del Iguazú?

With an average of 13h and 42min of daylight, December has the longest days of the year in Cataratas del Iguazú, Argentina.

Is there Daylight Saving Time (DST) in Cataratas del Iguazú?

Cataratas del Iguazú does not utilize Daylight Saving Time (DST). -03 timezone is used throughout the entire year.

Average temperature
Cataratas del Iguazú, Argentina

Average temperature - Cataratas del Iguazú, Argentina

The warmest months (with the highest average high temperature) are January and February (31.3°C).
The month with the lowest average high temperature is June (21.2°C).

The month with the highest average low temperature is January (20.8°C).
The coldest month (with the lowest average low temperature) is July (12.3°C).

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Average pressure
Cataratas del Iguazú, Argentina

Average pressure - Cataratas del Iguazú, Argentina

The month with the highest atmospheric pressure is July (1018mbar).
The month with the lowest atmospheric pressure is December (1009.4mbar).

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Average wind speed
Cataratas del Iguazú, Argentina

Average wind speed - Cataratas del Iguazú, Argentina

The windiest month (with the highest average wind speed) is August (8.5km/h).
The calmest month (with the lowest average wind speed) is March (6.6km/h).

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Average humidity
Cataratas del Iguazú, Argentina

Average humidity - Cataratas del Iguazú, Argentina

The month with the highest relative humidity is June (87%).
The month with the lowest relative humidity is September (74%).

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Average rainfall
Cataratas del Iguazú, Argentina

Average rainfall - Cataratas del Iguazú, Argentina

The wettest month (with the highest rainfall) is October (125mm).
The driest month (with the least rainfall) is August (47mm).

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Average rainfall days
Cataratas del Iguazú, Argentina

Average rainfall days - Cataratas del Iguazú, Argentina

The month with the highest number of rainy days is December (19.2 days).
The month with the least rainy days is August (8.9 days).

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Average daylight / Average sunshine
Cataratas del Iguazú, Argentina

Average daylight / Average sunshine - Cataratas del Iguazú, Argentina

The month with the longest days is December (Average daylight: 13h and 42min).
The month with the shortest days is June (Average daylight: 10h and 36min).

The months with the most sunshine are November and December (Average sunshine: 8h and 42min).
The month with the least sunshine is June (Average sunshine: 7h and 6min).

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Average sunshine days
Cataratas del Iguazú, Argentina

Average sunshine days - Cataratas del Iguazú, Argentina

The month with the most sunshine days is August (21.3 days).
The month with the least sunshine days is February (7.8 days).

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Average cloud cover
Cataratas del Iguazú, Argentina

Average cloud cover - Cataratas del Iguazú, Argentina

The month with the most cloud cover is May (Cloud cover 47).
The months with the least cloud cover are August and September (Cloud cover 29).

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Average visibility
Cataratas del Iguazú, Argentina

Average visibility - Cataratas del Iguazú, Argentina

The month with the highest visibility is September (9km).
The months with the lowest visibility are May, June and July (7km).

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Cataratas del Iguazú, Argentina

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