January 1 is generally a great time to visit Sintra. While there is a slight chance of rain (23%), showers are usually brief. Expect comfortable 14°C weather. Sintra is seeing high visitor numbers, so iconic spots may be busier than usual. Note: January 1 is New Year's Day in Sintra, so expect special events, closures, and festive atmosphere.
View the full calendar
Essential Travel Info for Sintra
Currency
EUR
€ Euro
Language
Portuguese
Driving
Right side
Safety
Very High Safety
GPI: 1.301
Sintra Weather Forecast for January 1
"Mild & Comfortable. Expect average highs of 14.3°C. 23% chance of rain."
What to Wear in Sintra in January
Based on historical data for January 1, Sintra typically experiences temperatures between 9.9°C and 14.3°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (23% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Sintra
Smart Suitcase
- Light Jacket
- Long Pants
Average High
14.3°C
Daytime Peak
Average Low
9.9°C
Nighttime Low
Feels Like
14°C
🌤️ Feels accurate
Rain Chance
23%
Avg 1.9mm if it rains
Cloud Cover
57%
Overcast
Pressure
1023.5 hPa
Medium volatility
Sintra Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 94% 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
🔴 200 min to burn
Type III-IV
🟡 300 min to burn
Type V-VI
🟢 500 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
11.3°C
Pleasant
Heat Stress
Low
No heat warning
😐 Best outdoor time:
Any time during daylight hours
Travel & Logistics Insights
Local Calendar
Holiday
New Year's Day
Flight Traffic
Busy
76/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~262
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Sintra
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
08:57
☀️ Noon
13:42
🌇 Sunset
18:27
⏱️ Daylight
9h 30m
Wind Speed
21.7 km/h
Moderate wind
Sunshine
6.7 hrs
Direct Sun (Cloud-free)
Humidity
82%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Sintra
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 Sintra
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟢 Moderate
Price Level
💰💰 Moderate
Health & Wellbeing
Meteo-Health Forecast
Moderate fluctuations. Some sensitivity possible.
Weather unlikely to affect joint pain.
High pressure may reduce activity.
Air quality is acceptable. Sensitive individuals should limit prolonged outdoor exertion.
Regional Safety Profile
Seismic Activity
Rare minor tremors. Buildings are earthquake-resistant.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Sintra on January 1 averages 14.3°C with a 23% precipitation probability. Wedding/Outdoor Event Score: 93/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Sintra Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
December 28
14.5°C • 19% rain
Score
95
December 29
14.5°C • 19% rain
Score
95
December 30
14.5°C • 18% rain
Score
94
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (January 1) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Sintra Worth Visiting on January 1?
Planning a trip to Sintra on January 1? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging 14.3°C with a 23% historical precipitation risk.
🎉 Local Event: The date coincides with New Year's Day, which may influence local business hours and event availability.
✈️ Travel Logistics: Approximately 262 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 6 vaccinations are recommended for Portugal, including COVID-19.
📊 Historical Extremes: The hottest January 1 recorded in the last 30 years saw temperatures hit 18.2°C in 2022, while the coldest dropped to 4.6°C in 2025.