December 25 is statistically one of the best days of the year in Santorini. With minimal rain risk (10%) and pleasant highs of 15°C, it's ideal for outdoor adventures. Take advantage of the off-peak calm in Santorini to see the sights without the usual crowds. Note: December 25 is Christmas Day in Santorini, so expect special events, closures, and festive atmosphere.
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Essential Travel Info for Santorini
Currency
EUR
€ Euro
Language
Greek
Driving
Right side
Connect
There are some local radio stations in S...
Safety
High Safety
GPI: 1.838
Santorini Weather Forecast for December 25
"Mild & Comfortable. Expect average highs of 14.8°C. 10% chance of rain."
What to Wear in Santorini in December
Based on historical data for December 25, Santorini typically experiences temperatures between 11.7°C and 14.8°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (10% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Santorini
Smart Suitcase
- Light Jacket
- Long Pants
Average High
14.8°C
Daytime Peak
Average Low
11.7°C
Nighttime Low
Feels Like
14.7°C
🌤️ Feels accurate
Rain Chance
10%
Avg 0.6mm if it rains
Cloud Cover
54%
Overcast
Pressure
1017.9 hPa
Medium volatility
Santorini Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 100% 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
9.2°C
Dry air
Heat Stress
Low
No heat warning
🙂 Best outdoor time:
Any time during daylight hours
Marine Conditions
Marine Life
No special warnings. Enjoy the swim!
Swim Index
⚠️ Mixed Conditions
Travel & Logistics Insights
Local Calendar
Holiday
Christmas Day
Flight Traffic
Quiet
22/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~11
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Santorini
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
07:28
☀️ Noon
12:19
🌇 Sunset
17:09
⏱️ Daylight
9h 40m
Wind Speed
32.6 km/h
Fresh breeze
Sunshine
7.4 hrs
Direct Sun (Cloud-free)
Humidity
69%
Slightly humid
Travel Intelligence
Exclusive flight analytics & health data for Santorini
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Santorini
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Moderate fluctuations. Some sensitivity possible.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
Air quality is excellent. Perfect for outdoor activities.
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, Santorini on December 25 averages 14.8°C with a 10% precipitation probability. Wedding/Outdoor Event Score: 89/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Santorini 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 (December 25) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Santorini Worth Visiting on December 25?
Planning a trip to Santorini on December 25? 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 10% historical precipitation risk.
🎉 Local Event: The date coincides with Christmas Day, which may influence local business hours and event availability.
✈️ Travel Logistics: Approximately 11 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 6 vaccinations are recommended for Greece, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 18.3°C (refreshing tonic). Wave conditions are generally fun waves with heights around 1.14m.
📊 Historical Extremes: The hottest December 25 recorded in the last 30 years saw temperatures hit 18.2°C in 2023, while the coldest dropped to 9.8°C in 2024.