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When is the best time to visit Iguazu?
In general the best time to visit Iguazu is probably December, when the weather is usually great. The hottest months are January, March, December, while the coldest months are May, June, July.
Depending on the activities you want to experience, you may choose different months to visit:
- The best time for a sunbathing holiday is January, March, December. Average maximum temperatures are up to +31°C in December and it has 7 sunny days on average.
- In general, it’s pleasant to walk and do outdoor activities during January - December.
- If you want to avoid wet weather, then your choice is April, May, June with the lowest chance of rain.
Average weather in Iguazu in different months
This is the average weather in Iguazu for each month based on historic data:
August usually has good weather. Average maximum temperature reaches +25°C during August.
In January, February, March, April, May, June, July, September, October, November, December the weather is average. Expect around 166 rainy days, and the precipitation amounts to approximately 208 mm in October.
Climate in Iguazu
Here is the detailed breakdown of the climate in Iguazu for each month:
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum Temperature | |||||||||||
| +40°C | +38°C | +38°C | +35°C | +32°C | +30°C | +31°C | +35°C | +39°C | +40°C | +41°C | +40°C |
| Average Maximum Temperature | |||||||||||
| +31°C | +30°C | +30°C | +27°C | +23°C | +21°C | +22°C | +25°C | +26°C | +28°C | +29°C | +31°C |
| Minimum Temperature | |||||||||||
| +12°C | +11°C | +8°C | +5°C | +1°C | -1°C | -1°C | 0°C | +2°C | +6°C | +7°C | +10°C |
| Avg. water temperature | |||||||||||
| - | - | - | - | - | - | - | - | - | - | - | - |
| Humidity, % | |||||||||||
| 80 | 81 | 81 | 82 | 84 | 85 | 81 | 76 | 75 | 78 | 76 | 77 |
| Rain, mm | |||||||||||
| 191 | 180 | 153 | 161 | 172 | 143 | 125 | 103 | 152 | 208 | 165 | 196 |
| Snow, mm | |||||||||||
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Average wind speed, m/s | |||||||||||
| 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 |
| Sunny Days | |||||||||||
| 4 | 4 | 7 | 10 | 12 | 11 | 14 | 15 | 11 | 9 | 9 | 7 |
| Cloud Days | |||||||||||
| 2 | 2 | 2 | 4 | 6 | 7 | 6 | 6 | 5 | 4 | 3 | 3 |
| Rainy Days | |||||||||||
| 21 | 19 | 19 | 14 | 12 | 11 | 10 | 9 | 12 | 15 | 15 | 18 |
| Snowy Days | |||||||||||
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Average Temperature
Here are the average maximum and minimum temperatures in Iguazu during the whole year:
The hottest month in Iguazu is December with average maximum temperature going up to +31°C. The coldest month is June with the lowest temperatures of +13°C.
Humidity
The temperature feels different depending on humidity. Here is how humidity in Iguazu looks throughout the year, in %:
The most humid month in Iguazu is June with average humidity going up to 85%. The least humid month is September with an average humidity of 75%.
Rain
Amount of rainfall in mm. in Iguazu during the whole year based on historical data:
The sunniest and driest month is August with approximately 15 sunny days and a total precipitation of around 103 mm. The rainiest and wettest month is October with approximately 15 rainy days and 208 mm of total precipitation.
FAQ
Frequently asked questions about the weather in Iguazu:
What is the hottest month in Iguazu?
The hottest month in Iguazu is December with average maximum temperature of +31°C.
What is the coldest month in Iguazu?
The coldest month in Iguazu is June with minimum temperatures of +13°C.
Is Iguazu worth visiting in winter?
Winter in Iguazu could be a good time to visit, as the weather is generally ok.
When does it rain the least in Iguazu?
if you're looking to visit Iguazu when it rains the least, you should plan your trip for October, December, January. During this time, rainfall is rare with the driest month being August with only 103 mm of rain.
Other cities in Argentina
Check out the weather for other cities in Argentina.
Monthly weather in Iguazu
Source of the data
For this page, we’ve looked at the typical weather in Iguazu, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.