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Weather in Foz do Iguaçu for December 2025

Your guide to Foz do Iguaçu weather in December - trends and predictions

    Temperatures

  • In general, the average temperature in Foz do Iguaçu at the beginning of December is 28.6 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 34.6 °C by the end of December.

    • Rain 🌧️

  • Foz do Iguaçu in December brings notable rainfall, with an average of 16 rainy days and a total precipitation of 195.3 mm.

Average dry days
15
Dry days
Average rainy days
16
Rainy days
Average snowy days
0
Snow days
Average temperatures
31°/18°
Temperatures
Average wind speed
10 km/h
Avg max wind
Average humidity
72 %
Avg humidity

Foz do Iguaçu Weather December

Move between months or click on a day
November
January
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Patchy light rain with thunder
35°
2
Moderate or heavy rain shower
27°
3
Light rain shower
27°
4
Light rain shower
23°
5
Patchy rain possible
30°
6
Moderate rain at times
34°
7
Moderate or heavy rain shower
24°
8
Light rain shower
22°
9
Light rain shower
23°
10
Fog
28°
11
Partly cloudy
31°
12
Partly cloudy
31°
13
Light rain shower
24°
14
Fog
29°
15
Fog
31°
16
Sunny
30°
17
Sunny
32°
18
Sunny
34°
19
Moderate or heavy rain shower
24°
20
Light rain shower
28°
21
Fog
33°
22
Thundery outbreaks possible
36°
23
Sunny
34°
24
Sunny
33°
25
Patchy rain possible
32°
26
Sunny
33°
27
Sunny
34°
28
Sunny
35°
29
Sunny
35°
30
Sunny
36°
31
Patchy rain possible
37°

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
November January
Date Weather Temperatures Rain UV More
1 Dec. Patchy light rain with thunder
Patchy light rain with thunder
 35° /21° 2.3 mm 11
2 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 27° /20° 11 mm 9
3 Dec. Light rain shower
Light rain shower
 27° /18° 11.3 mm 9
4 Dec. Light rain shower
Light rain shower
 23° /18° 5.2 mm 8
5 Dec. Patchy rain possible
Patchy rain possible
 30° /19° 0.1 mm 10
6 Dec. Moderate rain at times
Moderate rain at times
 34° /22° 10 mm 10
7 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 24° /20° 44.1 mm 8
8 Dec. Light rain shower
Light rain shower
 22° /20° 30.1 mm 8
9 Dec. Light rain shower
Light rain shower
 23° /19° 6 mm 8
10 Dec. Fog
Fog
 28° /18° 2 mm 9
11 Dec. Partly cloudy
Partly cloudy
 31° /17° 0 mm 11
12 Dec. Partly cloudy
Partly cloudy
 31° /18° 3.9 mm 11
13 Dec. Light rain shower
Light rain shower
 24° /19° 18.1 mm 8
14 Dec. Fog
Fog
 29° /19° 0.9 mm 9
15 Dec. Fog
Fog
 31° /17° 0 mm 10
16 Dec. Sunny
Sunny
 30° /14° 0 mm 11
17 Dec. Sunny
Sunny
 32° /15° 0 mm 11
18 Dec. Sunny
Sunny
 34° /16° 0 mm 11
19 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 24° /19° 35.6 mm 8
20 Dec. Light rain shower
Light rain shower
 28° /20° 7.4 mm 9
21 Dec. Fog
Fog
 33° /20° 0 mm 10
22 Dec. Thundery outbreaks possible
Thundery outbreaks possible
 36° /21° 0.2 mm 11
23 Dec. Sunny
Sunny
 34° /18° 0 mm 11
24 Dec. Sunny
Sunny
 33° /20° 6.6 mm 11
25 Dec. Patchy rain possible
Patchy rain possible
 32° /18° 0.4 mm 10
26 Dec. Sunny
Sunny
 33° /16° 0 mm 11
27 Dec. Sunny
Sunny
 34° /15° 0 mm 11
28 Dec. Sunny
Sunny
 35° /16° 0 mm 12
29 Dec. Sunny
Sunny
 35° /17° 0 mm 12
30 Dec. Sunny
Sunny
 36° /17° 0 mm 12
31 Dec. Patchy rain possible
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.
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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 💧

UV exposure in Foz do Iguaçu during December

Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️

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Location coordinates 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.

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