October 18 is generally a great time to visit Puerto Iguazú. While there is a slight chance of rain (39%), showers are usually brief. Expect comfortable 28°C weather. As it's peak season for Puerto Iguazú, we recommend booking your stay well in advance to secure the best rates.
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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 October 18
"Warm & Sunny. Expect average highs of 28.3°C. 39% chance of rain."
What to Wear in Puerto Iguazú in October
Based on historical data for October 18, Puerto Iguazú typically experiences temperatures between 19.2°C and 28.3°C. We recommend packing t-shirt, light clothing, umbrella to stay comfortable. With a 39% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Puerto Iguazú
Smart Suitcase
- T-Shirt
- Light Clothing
- Umbrella
Average High
28.3°C
Daytime Peak
Average Low
19.2°C
Nighttime Low
Feels Like
32.5°C
🔥 Feels warmer
Rain Chance
39%
Avg 4.5mm if it rains
Cloud Cover
56%
Overcast
Pressure
1012.4 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 78% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
06:00 - 10:00
16:00 - 18:00
Type I-II
🔴 16 min to burn
Type III-IV
🟡 24 min to burn
Type V-VI
🟢 40 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
24.1°C
Humid/Sticky
Heat Index
32.5°C
Feels hotter
😐 Best outdoor time:
Morning hours (before 11 AM)
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Argentina
Flight Traffic
High
80/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~20
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Puerto Iguazú
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:02
☀️ Noon
12:24
🌇 Sunset
18:47
⏱️ Daylight
12h 44m
Wind Speed
14.2 km/h
Gentle breeze
Sunshine
9.3 hrs
Direct Sun (Cloud-free)
Humidity
78%
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
⛅ Good
Tourist Crowds
🟡 Busy
Price Level
💰💰 Moderate
Health & Wellbeing
Meteo-Health Forecast
Stable conditions. Low risk of headaches.
Mild discomfort possible for arthritic conditions.
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 October 18 averages 28.3°C with a 39% precipitation probability. Wedding/Outdoor Event Score: 89/100."
— 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
Better Alternatives Nearby
Consider these dates within ±7 days
October 20
28.2°C • 30% rain
Score
95
October 21
28.4°C • 29% rain
Score
95
October 22
28.7°C • 26% rain
Score
95
💡 Moving your event by a few days could significantly improve weather conditions
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Same date (October 18) in other destinations
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🌍 Explore the same date in different destinations around the world
📍 Is Puerto Iguazú Worth Visiting on October 18?
Planning a trip to Puerto Iguazú on October 18? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 28.3°C with a 39% historical precipitation risk.
✈️ Travel Logistics: Approximately 20 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 October 18 recorded in the last 30 years saw temperatures hit 34.7°C in 2017, while the coldest dropped to 16.2°C in 2021.