October weather forecast
Cataratas del Iguazú, Argentina

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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. Despite the increased rainfall, temperatures stay comfortably warm, making the city hospitable for tourists. The combination of rain and sunshine creates a dynamic weather pattern, offering moments of brilliant sunshine speared by sudden showers, adding to Cataratas del Iguazú's charm.

Temperature

The shift from September to October is characterized by an average high-temperature of a still warm 28.6°C (83.5°F), not significantly different from the 26.5°C (79.7°F) of September. Cataratas del Iguazú, during the month of October, experiences an average low-temperature of 17.5°C (63.5°F).

Heat index

The heat index value for October is evaluated at a tropical 33°C (91.4°F). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.
Be advised, the heat index considers values for conditions in shade and with a light breeze. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.

Humidity

The average relative humidity in October is 78%.

Rainfall

October is the month with the most rainfall in Cataratas del Iguazú, Argentina. Rain falls for 15.7 days and accumulates 125mm (4.92") of precipitation.

Daylight

The average length of the day in October in Cataratas del Iguazú is 12h and 43min.
On the first day of October in Cataratas del Iguazú, sunrise is at 06:16 and sunset at 18:37. On the last day of the month, sunrise is at 05:49 and sunset at 18:53 -03.

Sunshine

In October, the average sunshine is 8.3h.

UV index

The average daily maximum UV index in October is 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: In October, a daily UV index of 6 turns into the following recommendations:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Boost your sun resistance with garments that are densely woven yet spacious.
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Frequently asked questions

How hot does it get in Cataratas del Iguazú in October?

In October, the average high-temperature and low-temperature in Cataratas del Iguazú are 28.6°C (83.5°F) and 17.5°C (63.5°F) respectively. The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in October is evaluated at 33°C (91.4°F).

What is the average humidity in October in Cataratas del Iguazú?

In October, the average relative humidity in Cataratas del Iguazú is 78%.

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.

How many days does it rain in October in Cataratas del Iguazú?

In Cataratas del Iguazú, in October, it is raining for 15.7 days, with typically 125mm (4.92") of accumulated precipitation.

How many hours of daylight does Cataratas del Iguazú have in October?

The average day length in October in Cataratas del Iguazú is 12h and 43min.

When are sunrise and sunset in October in Cataratas del Iguazú?

In October, on the first day of the month, sunrise is at 06:16 and sunset at 18:37. On the last day of the month, sunrise is at 05:49 and sunset at 18:53 -03.

How long on average sun shines in October in Cataratas del Iguazú?

In Cataratas del Iguazú, the average sunshine duration in October is 8.3h.

How high is the UV index in October in Cataratas del Iguazú?

In Cataratas del Iguazú, the average daily maximum UV index in October is 6. A UV Index estimate of 6 to 7 represents a high health threat from unprotected exposure to UV radiation.

Average temperature in October
Cataratas del Iguazú, Argentina

Average temperature in October - Cataratas del Iguazú, Argentina
  • Average high temperature in October: 28.6°C

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).

  • Average low temperature in October: 17.5°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 in October
Cataratas del Iguazú, Argentina

Average pressure in October - Cataratas del Iguazú, Argentina
  • Average pressure in October: 1011.9mbar

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 in October
Cataratas del Iguazú, Argentina

Average wind speed in October - Cataratas del Iguazú, Argentina
  • Average wind speed in October: 8.2km/h

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 in October
Cataratas del Iguazú, Argentina

Average humidity in October - Cataratas del Iguazú, Argentina
  • Average humidity in October: 78%

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 in October
Cataratas del Iguazú, Argentina

Average rainfall in October - Cataratas del Iguazú, Argentina
  • Average rainfall in October: 125mm

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 in October
Cataratas del Iguazú, Argentina

Average rainfall days in October - Cataratas del Iguazú, Argentina
  • Average rainfall days in October: 15.7 days

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 in October /
Average sunshine in October
Cataratas del Iguazú, Argentina

Average daylight in October / Average sunshine in October - Cataratas del Iguazú, Argentina
  • Average daylight in October: 12h and 4min

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).

  • Average sunshine in October: 8h and 2min

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 in October
Cataratas del Iguazú, Argentina

Average sunshine days in October - Cataratas del Iguazú, Argentina
  • Average sunshine days in October: 13.9 days

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 UV index in October
Cataratas del Iguazú, Argentina

Average UV index in October - Cataratas del Iguazú, Argentina
  • Average UV index in October: 6

The month with the highest UV index is January (UV index 7).
The months with the lowest UV index are May and June (UV index 4).

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Average cloud cover in October
Cataratas del Iguazú, Argentina

Average cloud cover in October - Cataratas del Iguazú, Argentina
  • Average cloud cover in October: 35

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 in October
Cataratas del Iguazú, Argentina

Average visibility in October - Cataratas del Iguazú, Argentina
  • Average visibility in October: 8km

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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