May 18 is generally a great time to visit Puerto Natales. While there is a slight chance of rain (28%), showers are usually brief. Expect comfortable 5°C weather. It's a great middle-ground for visiting Puerto Natales—enough activity to feel the pulse, but no overwhelming lines.
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Essential Travel Info for Puerto Natales
Currency
CLP
$ Chilean peso
Language
Spanish
Driving
Right side
Safety
High Safety
GPI: 1.84
Puerto Natales Weather Forecast for May 18
"Mild & Comfortable. Expect average highs of 5.4°C. 28% chance of snow."
What to Wear in Puerto Natales in May
Based on historical data for May 18, Puerto Natales typically experiences temperatures between 0.3°C and 5.4°C. We recommend packing heavy coat, scarf, gloves to stay comfortable. With a 28% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Puerto Natales
Smart Suitcase
- Heavy Coat
- Scarf
- Gloves
Average High
5.4°C
Daytime Peak
Average Low
0.3°C
Nighttime Low
Feels Like
2.6°C
❄️ Slightly colder
Snow Chance
28%
Avg 2mm if it snows
Snowfall
0.4 cm
~28% chance
Pressure
1006.2 hPa
High volatility
Puerto Natales Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 96% 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
🔴 400 min to burn
Type III-IV
🟡 600 min to burn
Type V-VI
🟢 1000 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
3.2°C
Dry air
Heat Stress
Low
No heat warning
😕 Best outdoor time:
Midday (11 AM - 3 PM) when warmest
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Chile
Flight Traffic
Moderate
50/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~3
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Puerto Natales
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
09:28
☀️ Noon
13:47
🌇 Sunset
18:07
⏱️ Daylight
8h 38m
Wind Speed
12.7 km/h
Gentle breeze
Sunshine
4.5 hrs
Direct Sun (Cloud-free)
Humidity
86%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Puerto Natales
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 Natales
Travel Comfort Index
Real-time tourism conditions
Weather Quality
⛅ Good
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Rapid pressure changes detected. High risk for meteosensitive people.
Low pressure & humidity may aggravate joints.
Fish are active due to pressure changes.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Rare minor tremors. Buildings are earthquake-resistant.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Puerto Natales on May 18 averages 5.4°C with a 28% precipitation probability. Wedding/Outdoor Event Score: 41/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Puerto Natales Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
May 11
7°C • 36% rain
Score
45
May 12
6.9°C • 35% rain
Score
45
May 15
6.3°C • 28% rain
Score
45
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (May 18) in other destinations
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📍 Is Puerto Natales Worth Visiting on May 18?
Planning a trip to Puerto Natales on May 18? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging 5.4°C with a 28% historical precipitation risk.
✈️ Travel Logistics: Approximately 3 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 7 vaccinations are recommended for Chile, including COVID-19.
📊 Historical Extremes: The hottest May 18 recorded in the last 30 years saw temperatures hit 7.6°C in 2017, while the coldest dropped to -3.1°C in 2018.