May 12 is generally a great time to visit Puerto Iguazú. While there is a slight chance of rain (22%), showers are usually brief. Expect comfortable 24°C weather. You'll find plenty of company in Puerto Iguazú this month as tourism activity remains quite robust.
View the full calendar
Essential Travel Info for Puerto Iguazú
Currency
ARS
$ Argentine peso
Language
Guaraní
+1 more
Driving
Right side
Safety
High Safety
GPI: 1.911
Puerto Iguazú Weather Forecast for May 12
"Mild & Comfortable. Expect average highs of 24°C. 22% chance of rain."
What to Wear in Puerto Iguazú in May
Based on historical data for May 12, Puerto Iguazú typically experiences temperatures between 15.6°C and 24°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (22% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Puerto Iguazú
Smart Suitcase
- T-Shirt
- Light Clothing
Average High
24°C
Daytime Peak
Average Low
15.6°C
Nighttime Low
Feels Like
24.8°C
☀️ Feels accurate
Rain Chance
22%
Avg 2.5mm if it rains
Cloud Cover
47%
Overcast
Pressure
1016.3 hPa
Low volatility
Puerto Iguazú Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 91% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 15 for extended outdoor time
Type I-II
🔴 160 min to burn
Type III-IV
🟡 240 min to burn
Type V-VI
🟢 400 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
20.7°C
Humid/Sticky
Heat Stress
Low
No heat warning
🙂 Best outdoor time:
Any time during daylight hours
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Argentina
Flight Traffic
Busy
72/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~18
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Puerto Iguazú
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
07:08
☀️ Noon
12:36
🌇 Sunset
18:03
⏱️ Daylight
10h 55m
Wind Speed
12.5 km/h
Gentle breeze
Sunshine
7.9 hrs
Direct Sun (Cloud-free)
Humidity
82%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Puerto Iguazú
Smart Flight Estimator
Airport-to-Airport Logistics
unlock smart flight estimates
Add your home location in settings to see airport details.
Travel Health & Safety in Puerto Iguazú
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Stable conditions. Low risk of headaches.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Zero seismic activity detected in 30 years.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Puerto Iguazú on May 12 averages 24°C with a 22% precipitation probability. Wedding/Outdoor Event Score: 98/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Puerto Iguazú Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Compare Other Cities
Same date (May 12) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Puerto Iguazú Worth Visiting on May 12?
Planning a trip to Puerto Iguazú on May 12? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 24°C with a 22% historical precipitation risk.
✈️ Travel Logistics: Approximately 18 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 8 vaccinations are recommended for Argentina, including COVID-19.
📊 Historical Extremes: The hottest May 12 recorded in the last 30 years saw temperatures hit 29.5°C in 2024, while the coldest dropped to 10.5°C in 2023.