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Foz Do Iguacu in January: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Foz Do Iguacu in January will be like? Take a look at our weather guide for Foz Do Iguacu, based on historical data.
Check flight prices to Foz Do Iguacu on Avionero:
January

Weather in Foz Do Iguacu in January 2025

OK Weather
Hot
🌧️
Rainy
If you plan to visit Foz Do Iguacu in January, the weather is typically alright, with an average high temperature of +32°C during the day and approximately 5 sunny days. Expect some rainy, though, as there are typically 19 rainy days in the month and around 157 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flights in one click on Avionero.

Average weather

☀️
+32°C
Avg. max. temperature
+13°C
Min.
+40°C
Max.
157 mm
Total precipitation
77%
Avg. humidity
2 m/s
Avg. wind
5 ☀️
Sunny Days
3 ⛅️
Cloudy
19 🌦
Rainy
Our opinion: Foz Do Iguacu has OK weather in January.

Average temperature in Foz Do Iguacu in January

Here are the expected maximum, average and minimum temperatures in Foz Do Iguacu for January based on the historical data.
Last Year
Historical Data

Going from a maximum of +37°C during the day to a minimum of +17°C during the night, the temperature in January averages around +32°C.

The average maximum temperature goes down 40% by the end of the month, compared with the beginning of the month, from +37°C to +29°C.

Is Foz Do Iguacu warm or cold in January?

Foz Do Iguacu is typically hot in January.

Maximum temperatures go up compared to the previous month from +32°C to +32°C. The minimum temperature also goes up from +21°C to +22°C.

Make sure that you pack your summer linen and swimming costumes; it’s probably going to be hot.

January is one of the warmest months in Foz Do Iguacu, here is the comparison with other months:

Climate in Foz Do Iguacu in January

Foz Do Iguacu weather looks like this, on average, in January and the surrounding months.
DecemberJanuaryFebruary
Avg. temperature
+32°C+32°C+32°C
Min. temperature
+7°C+13°C+10°C
Max. temperature
+41°C+40°C+39°C
Rainfall
167 mm157 mm147 mm
Wind
2 m/s2 m/s2 m/s
Humidity
75%77%78%
Air pressure
1008 HPa1009 HPa1010 HPa
Sunny days
755
Cloudy days
332
Rainy days
171918
Snowy days
000

January weather is still as ok as in December. The temperature levels stay the same in the area of +32°C for average maximum temperature during the day. As January arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 167 mm to 157 mm. Humidity rises from 75% to 77%. The average wind speed doesn’t change much during January, staying around 2 m/s. The days becoming less sunny, going from 7 sunny days in December to 5 in January.

February brings much the same weather, it remains ok.

Wind

Wind speed in Foz Do Iguacu in January based on historical data.
Last Year
Historical Data

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 Foz Do Iguacu is gradually decreasing during January, going from 3 m/s to 2 m/s over the course of the month.

Rain

Amount of rainfall in mm during January in Foz Do Iguacu based on historical data.
Last Year
Historical Data
Typically, there is a 45% chance of rain on an average day in January, with total rainfall of approximately 138 mm. The maximum amount of rainfall per day is around 26 mm, which is moderate rain. January is a pretty wet month with over 14 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
Here’s how January is compared with other months in the amount of precipitation, total mm:
Foz Do Iguacu wettest month is October, where a typical day has a 45% chance of precipitation and 194 mm of rainfall per day. August, on the other hand, is the driest month with a mere 29% chance of precipitation and 99 mm of rainfall per day.

How was the weather last January in Foz Do Iguacu?

This is the weather in Foz Do Iguacu in January 2023:
1 January
☀️
+37°C
2 January
🌧️
+30°C
3 January
🌧️
+30°C
4 January
☁️
+31°C
5 January
☀️
+32°C
6 January
☀️
+32°C
7 January
☀️
+30°C
8 January
☀️
+31°C
9 January
☀️
+31°C
10 January
🌧️
+28°C
11 January
☀️
+32°C
12 January
☀️
+32°C
13 January
☀️
+30°C
14 January
🌧️
+28°C
15 January
🌧️
+30°C
16 January
🌫️
+34°C
17 January
☀️
+35°C
18 January
☀️
+34°C
19 January
☀️
+33°C
20 January
☀️
+34°C
21 January
☀️
+33°C
22 January
🌧️
+26°C
23 January
☁️
+33°C
24 January
☀️
+34°C
25 January
☀️
+36°C
26 January
☀️
+35°C
27 January
☀️
+35°C
28 January
☀️
+36°C
29 January
☀️
+33°C
30 January
🌧️
+31°C
31 January
🌧️
+29°C
In January 2023 Foz Do Iguacu had 20 sunny days, 2 cloudy days, and 8 rainy days. The average maximum temperature was +32°C, with an absolute maximum of +37°C and a minimum of +26°C. The average humidity was 75%, with a maximum of 97% and a minimum of 37%. The average wind speed was 2 m/s, with a maximum of 9 m/s and a minimum of 0 m/s.
Are you planning a trip in January?

Climate Change over Years

This is how Foz Do Iguacu climate have been changing during last 43 years period.

The climate in Foz Do Iguacu in January has not changed much over the last 43 years.

The average temperature was the lowest in 1983 (+26°C) and the highest in 2020 (+29°C). The driest year was 2021 with only 1098 mm of rainfall, and the wettest year was 1983 with 2760 mm.

FAQ

Frequently asked questions about the weather in Foz Do Iguacu in January:

Is January a good time to visit Foz Do Iguacu?

It’s always a good time to visit Foz Do Iguacu, but the weather is changeable in January, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Foz Do Iguacu in January?

Absolutely, January is hot in Foz Do Iguacu. Plan on beach and pool time, and ensure that you pack light and breathable options to stay comfortable.

Is Foz Do Iguacu rainy in January?

Foz Do Iguacu is often rainy in January. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Foz Do Iguacu in January?

Usually, it’s not very sunny in Foz Do Iguacu in January, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Brazil

Check out the weather for other cities in Brazil.

Monthly weather in Foz Do Iguacu

Source of the data

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.