December 23 is statistically one of the best days of the year in Santiago. With minimal rain risk (1%) and pleasant highs of 29°C, it's ideal for outdoor adventures. Expect a bustling atmosphere in Santiago right now—this is when the city truly comes alive with visitors.
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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 December 23
"Warm & Sunny. Expect average highs of 28.7°C. 1% chance of rain."
What to Wear in Santiago in December
Based on historical data for December 23, Santiago typically experiences temperatures between 15.4°C and 28.7°C. We recommend packing t-shirt, light clothing, layers (onion system) to stay comfortable. Trends suggest it will stay mostly dry (1% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Santiago
Smart Suitcase
- T-Shirt
- Light Clothing
- Layers (Onion System)
Average High
28.7°C
Daytime Peak
Average Low
15.4°C
Nighttime Low
Feels Like
29.2°C
🔥 Feels accurate
Rain Chance
1%
Avg 0mm if it rains
Cloud Cover
12%
Clear sky
Pressure
1012.7 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 97% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 50+, limit exposure 10am-4pm
06:00 - 10:00
16:00 - 20:00
Type I-II
🔴 8 min to burn
Type III-IV
🟡 12 min to burn
Type V-VI
🟢 20 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
16.9°C
Noticeable
Heat Index
29.2°C
Feels hotter
🙂 Best outdoor time:
Any time during daylight hours
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Chile
Flight Traffic
High
92/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~222
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Santiago
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:31
☀️ Noon
13:42
🌇 Sunset
20:54
⏱️ Daylight
14h 22m
Wind Speed
13.5 km/h
Gentle breeze
Sunshine
13.3 hrs
Direct Sun (Cloud-free)
Humidity
49%
Comfortable
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
🟡 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 December 23 averages 28.7°C with a 1% precipitation probability. Wedding/Outdoor Event Score: 100/100."
— 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
Compare Other Cities
Same date (December 23) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Santiago Worth Visiting on December 23?
Planning a trip to Santiago on December 23? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 28.7°C with a 1% historical precipitation risk.
✈️ Travel Logistics: Approximately 222 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 December 23 recorded in the last 30 years saw temperatures hit 35.6°C in 2019, while the coldest dropped to 12.5°C in 2021.