In general the best time to visit Foz Do Iguacu is probably December, when the weather is usually great. The hottest months are January, February, December, while the coldest months are May, June, July.
But ultimately the best time to visit depends on what you want to do:
The best time for a sun tanning holiday is January, February, December. Average maximum temperatures are up to +90°F 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 Foz Do Iguacu in different months
This is the average weather in Foz Do Iguacu for each month based on historic data:
March, April, July, August, September, November usually has good weather. Average maximum temperature reaches +88°F during March.
In January, February, May, June, October, December the weather is average. Expect around 91 rainy days, and the precipitation amounts to approximately 194 mm in October.
Climate in Foz Do Iguacu
Here is the detailed breakdown of the climate in Foz Do Iguacu for each month:
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Maximum Temperature
+104°F
+102°F
+104°F
+97°F
+95°F
+90°F
+90°F
+99°F
+104°F
+104°F
+106°F
+106°F
Average Maximum Temperature
+90°F
+90°F
+88°F
+82°F
+75°F
+72°F
+73°F
+77°F
+81°F
+84°F
+86°F
+90°F
Minimum Temperature
+55°F
+50°F
+46°F
+36°F
+32°F
+30°F
+27°F
+30°F
+34°F
+41°F
+45°F
+45°F
Avg. water temperature
-
-
-
-
-
-
-
-
-
-
-
-
Humidity, %
77
78
78
80
83
83
79
75
74
76
74
75
Rain, mm
157
147
131
147
162
129
114
99
146
194
155
167
Snow, mm
0
0
0
0
0
0
0
0
0
0
0
0
Average wind speed, m/s
2
2
1
2
2
2
2
2
2
2
2
2
Sunny Days
5
5
9
10
12
11
14
15
12
9
10
7
Cloud Days
3
2
3
5
6
7
6
6
5
4
4
3
Rainy Days
19
18
17
13
12
11
10
9
11
14
14
17
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 Foz Do Iguacu during the whole year:
The hottest month in Foz Do Iguacu is December with average maximum temperature going up to +90°F. The coldest month is June with the lowest temperatures of +55°F.
Humidity
The temperature feels different depending on humidity. Here is how humidity in Foz Do Iguacu looks throughout the year, in %:
The most humid month in Foz Do Iguacu is June with average humidity going up to 83%. The least humid month is September with an average humidity of 74%.
Rain
Amount of rainfall in mm. in Foz Do Iguacu 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 99 mm. The rainiest and wettest month is October with approximately 14 rainy days and 194 mm of total precipitation.
FAQ
Frequently asked questions about the weather in Foz Do Iguacu:
What is the hottest month in Foz Do Iguacu?
The hottest month in Foz Do Iguacu is December with average maximum temperature of +90°F.
What is the coldest month in Foz Do Iguacu?
The coldest month in Foz Do Iguacu is June with minimum temperatures of +55°F.
Is Foz Do Iguacu worth visiting in winter?
Winter in Foz Do Iguacu could be a good time to visit, as the weather is generally ok.
When does it rain the least in Foz Do Iguacu?
if you're looking to visit Foz Do Iguacu when it rains the least, you should plan your trip for October, December, May. During this time, rainfall is rare with the driest month being August with only 99 mm of rain.
For this page, we’ve looked at the typical weather in Foz Do Iguacu, 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.