June 18 is generally a great time to visit Santiago. While there is a slight chance of rain (19%), showers are usually brief. Expect comfortable 15°C weather. You'll find plenty of company in Santiago this month as tourism activity remains quite robust.
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Essential Travel Info for Santiago
Currency
CLP
$ Chilean peso
Language
Spanish
Driving
Right side
Connect
If you wish to mail a letter or postcard...
Safety
High Safety
GPI: 1.84
Santiago Weather Forecast for June 18
"Mild & Comfortable. Expect average highs of 14.8°C. 19% chance of rain."
What to Wear in Santiago in June
Based on historical data for June 18, Santiago typically experiences temperatures between 4.9°C and 14.8°C. We recommend packing heavy coat, scarf, gloves to stay comfortable. Trends suggest it will stay mostly dry (19% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Santiago
Smart Suitcase
- Heavy Coat
- Scarf
- Gloves
Average High
14.8°C
Daytime Peak
Average Low
4.9°C
Nighttime Low
Feels Like
14.8°C
🌤️ Feels accurate
Rain Chance
19%
Avg 1.7mm if it rains
Cloud Cover
60%
Overcast
Pressure
1017.9 hPa
Low volatility
Santiago Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 83% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 15 for extended outdoor time
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
7.8°C
Dry air
Heat Stress
Low
No heat warning
😊 Best outdoor time:
Any time during daylight hours
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Chile
Flight Traffic
Busy
73/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~176
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Santiago
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
08:47
☀️ Noon
13:45
🌇 Sunset
18:43
⏱️ Daylight
9h 56m
Wind Speed
7.9 km/h
Light breeze
Sunshine
6.5 hrs
Direct Sun (Cloud-free)
Humidity
63%
Slightly humid
Travel Intelligence
Exclusive flight analytics & health data for Santiago
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Santiago
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🔴 Very 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 acceptable. Sensitive individuals should limit prolonged outdoor exertion.
Regional Safety Profile
Seismic Activity
Active seismic zone. Multiple earthquakes per year.
Travel Alert: This region has elevated natural risks. We recommend registering with your embassy and keeping emergency numbers handy.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Santiago on June 18 averages 14.8°C with a 19% precipitation probability. Wedding/Outdoor Event Score: 90/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Santiago Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (June 18) in other destinations
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📍 Is Santiago Worth Visiting on June 18?
Planning a trip to Santiago on June 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 14.8°C with a 19% historical precipitation risk.
✈️ Travel Logistics: Approximately 176 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 June 18 recorded in the last 30 years saw temperatures hit 23.4°C in 2018, while the coldest dropped to 1.2°C in 2019.