Puerto Iguazú Weather in January
With daytime temperatures of 32°C (90°F) and nighttime lows of 22°C (72°F), January in Puerto Iguazú brings very high temperatures during the day. Do keep in mind that January is part of the rainy season, with frequent and often heavy rainfall.
Rainfall in Puerto Iguazú in January
Puerto Iguazú is in the rainy season in January, with rain on around 10 days and an average of 170 mm (6.7 in). Rain during the rainy season here tends to be intense rather than just persistent drizzle. Expect significant downpours, often in the late afternoon.
Temperature in Puerto Iguazú in January
In January, Puerto Iguazú sees very high temperatures, with highs of 32°C (90°F). Nights drop to around 22°C (72°F). For most visitors, the main thing to prepare for is the heat during the day. Nights are mild at around 22°C (72°F), which is comfortable for most people. Keep in mind, these temperatures are averages, and some days might be even warmer. Dress suitably to manage the heat.
Sunshine in Puerto Iguazú in January
With approximately 198 hours of sunshine, the days are filled with clear skies during the day. Rain typically falls in the afternoon or evening, keeping mornings and early parts of the day sunny.If you prefer dry days with pleasant temperatures, August typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Argentina, check out our Puerto Iguazú's climate page.
Puerto Iguazú Temperature in January
Min Temperature
22°C (72°F)
Max Temperature
32°C (90°F)
Chance of Rain
33%
Precipitation
170 mm (6.7 in)
Rainy days
10 days
Humidity
78%
Sunshine
198 hours
Percentage Sunshine
47%
Daily Historical Temperatures
51-year average (1976-2026)
Based on our historical records, temperatures in Puerto Iguazú typically stay consistent throughout January, with daily highs averaging around 32°C (90°F). Nights are warm, with lows around 21°C (70°F).
Average temperatures in January
Daily Historical Precipitation
51-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in January
Historical weather for Puerto Iguazú in January
Browse day-by-day weather records for Puerto Iguazú spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Puerto Iguazú historical weather extremes in January
Our historical data for Puerto Iguazú spans 1976 to 2025, revealing these weather extremes.
- Puerto Iguazú recorded its highest January temperature of 40°C (104°F) on January 23, 2022.
- Puerto Iguazú experienced its chilliest January day on January 21, 1989, reaching only 21°C (70°F).
- The lowest overnight temperature recorded in January was 11°C (52°F) (January 1, 1980).
Best Places in Argentina in January
Find out more about the weather in Argentina and which places have the best travel conditions in this month. See all of Argentina in January →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Puerto Iguazú in January
Warm but pleasant conditions in Puerto Iguazú in January. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Puerto Iguazú in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Argentina, check out our Puerto Iguazú's climate page.
Temperature Rainfall Sunshine Humidity
See the full Puerto Iguazú climate overview or explore weather in Argentina.
