Foz do Iguaçu
December
Weather in Foz do Iguaçu for December 2025
Your guide to Foz do Iguaçu weather in December - trends and predictions
Rain, Hail and Thunderstorms Warning - See hour by hour.
So far, December 2025 in Foz do Iguaçu is slightly warmer than the historical average by 0.6 °C.
The forecast for the upcoming days in Foz do Iguaçu predicts a temperature of 31.2 °C, which is slightly above the historical average.
In general, the average temperature in Foz do Iguaçu at the beginning of December is 31.1 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 34.1 °C by the end of December.
Foz do Iguaçu in December brings notable rainfall, with an average of 16 rainy days and a total precipitation of 195.3 mm.
Official Weather Alert ⚠️
Temperatures
Rain 🌧️
15
Dry days
16
Rainy days
0
Snow days
31°/18°
Temperatures
10 km/h
Avg max wind
72 %
Avg humidity
Foz do Iguaçu Weather December
Move between months or click on a day
Temperatures trend during December in Foz do Iguaçu
See the weather trend as well as the moving average line
December weather in Foz do Iguaçu day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. |  Patchy light rain with thunder | 31° /20° | 9.6 mm | 10 | |
| 2 Dec. |  Moderate or heavy rain shower | 30° /18° | 5.5 mm | 10 | |
| 3 Dec. |  Light rain shower | 30° /18° | 5.7 mm | 10 | |
| 4 Dec. | Light rain shower | 29° /17° | 2.6 mm | 10 | |
| 5 Dec. | Patchy rain possible | 32° /18° | 0 mm | 11 | |
| 6 Dec. | Moderate rain at times | 35° /21° | 5 mm | 11 | |
| 7 Dec. | Moderate or heavy rain shower | 31° /20° | 22 mm | 10 | |
| 8 Dec. | Light rain shower | 24° /19° | 21.1 mm | 9 | |
| 9 Dec. | Light rain shower | 23° /18° | 10.8 mm | 8 | |
| 10 Dec. |  Fog | 27° /17° | 1 mm | 9 | |
| 11 Dec. |  Partly cloudy | 32° /15° | 0 mm | 11 | |
| 12 Dec. | Partly cloudy | 26° /17° | 33.1 mm | 10 | |
| 13 Dec. | Light rain shower | 24° /18° | 13.5 mm | 8 | |
| 14 Dec. | Fog | 30° /19° | 2.1 mm | 10 | |
| 15 Dec. | Fog | 31° /17° | 0 mm | 10 | |
| 16 Dec. | Patchy rain possible | 31° /17° | 0.3 mm | 3.3 | |
| 17 Dec. |  Sunny | 31° /14° | 0 mm | 3.8 | |
| 18 Dec. | Sunny | 32° /19° | 0 mm | 3.6 | |
| 19 Dec. | Sunny | 34° /19° | 0 mm | 3.8 | |
| 20 Dec. | Sunny | 33° /21° | 0 mm | 0.8 | |
| 21 Dec. | Patchy rain possible | 30° /24° | 0.2 mm | 9 | |
| 22 Dec. |  Moderate rain | 26° /23° | 7.7 mm | 8 | |
| 23 Dec. | Patchy rain possible | 26° /22° | 4.8 mm | 8 | |
| 24 Dec. | Patchy rain possible | 32° /21° | 1.6 mm | 9 | |
| 25 Dec. | Patchy rain possible | 33° /21° | 4.1 mm | 8 | |
| 26 Dec. | Patchy rain possible | 33° /21° | 0.4 mm | 9 | |
| 27 Dec. | Patchy rain possible | 34° /22° | 1.9 mm | 9 | |
| 28 Dec. | Patchy rain possible | 31° /22° | 4.3 mm | 9 | |
| 29 Dec. | Sunny | 35° /17° | 0 mm | 12 | |
| 30 Dec. | Sunny | 36° /17° | 0 mm | 12 | |
| 31 Dec. | Patchy rain possible | 37° /20° | 0.2 mm | 11 | |
| Next | |||||
Important Notice
Our weather forecast for Foz do Iguaçu in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Foz do Iguaçu forecast closer to your planned date for the most up-to-date weather information.
Change Month
Foz do Iguaçu in December - FAQ
What are the expected maximum and minimum temperatures in Foz do Iguaçu during December?
Expect warm days with temperatures around 31°, cooling to mild conditions of 18° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Foz do Iguaçu during December?
Significant rainfall exceeding 195.3 mm is expected in Foz do Iguaçu during December, occurring over more than 16 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Foz do Iguaçu during December?
The average wind speed in Foz do Iguaçu during December is 10 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Foz do Iguaçu
Explore the daily rainfall trends and prepare for Foz do Iguaçus December weather 💧
Typically, Foz do Iguaçu has 16 rainy days in December with a total of 195.3 mm of rainfall.
UV exposure in Foz do Iguaçu during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
Quick links
More Foz do Iguaçu weather pages
You are here
Where is Foz do Iguaçu?Get accurate weather forecasts for Foz do Iguaçu, located at latitude -25.548 and longitude -54.588. Stay updated with localized weather information tailored for Foz do Iguaçu.
Found a mistake?
We appreciate your attention to details. Tell us here.