Weather in Iguazu in December 2024
- December is usually the hottest month of the year in Iguazu;
Average weather
Average temperature in Iguazu in December
Going from a maximum of +37°C during the day to a minimum of +17°C during the night, the temperature in December averages around +31°C.
The average maximum temperature goes down 20% by the end of the month, compared with the beginning of the month, from +35°C to +31°C.
Is Iguazu warm or cold in December?
Iguazu is typically hot in December.
Maximum temperatures go up compared to the previous month from +29°C to +31°C. The minimum temperature also goes up from +19°C to +21°C.
Make sure that you pack your summer linen and swimming costumes; it’s probably going to be hot.
December is the hottest month in Iguazu, here is the comparison with other months:
Climate in Iguazu in December
| November | December | January | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +29°C | +31°C | +31°C | ||||
| Min. temperature | ||||||
| +7°C | +10°C | +12°C | ||||
| Max. temperature | ||||||
| +41°C | +40°C | +40°C | ||||
| Rainfall | ||||||
| 165 mm | 196 mm | 191 mm | ||||
| Wind | ||||||
| 2 m/s | 1 m/s | 1 m/s | ||||
| Humidity | ||||||
| 76% | 77% | 80% | ||||
| Air pressure | ||||||
| 1010 HPa | 1009 HPa | 1009 HPa | ||||
| Sunny days | ||||||
| 9 | 7 | 4 | ||||
| Cloudy days | ||||||
| 3 | 3 | 2 | ||||
| Rainy days | ||||||
| 15 | 18 | 21 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
December weather is still as ok as in November. It’s getting warmer as December arrives. The average maximum temperature goes up from +29°C to +31°C during the day. Prepare for more rain. Average rainfall goes from 165 mm to 196 mm. Humidity rises from 76% to 77%. Winds are calmer in comparison to November, going down from 2 m/s to 1 m/s on average. The days becoming less sunny, going from 9 sunny days in November to 7 in December.
January brings much the same weather, it remains ok.
Wind
The average wind speed is 2 m/s getting up to 3 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Iguazu is gradually decreasing during December, going from 2 m/s to 1 m/s over the course of the month.
Rain
How was the weather last December in Iguazu?
Climate Change over Years
The climate in Iguazu in December has not changed much over the last 43 years.
The average temperature was the lowest in 1983 (+26°C) and the highest in 2020 (+28°C). The driest year was 2020 with only 1219 mm of rainfall, and the wettest year was 1983 with 3257 mm.
FAQ
Is December a good time to visit Iguazu?
Can you sunbathe in Iguazu in December?
Is Iguazu rainy in December?
Is it sunny in Iguazu in December?
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.