January 3 is generally a great time to visit Lisbon. While there is a slight chance of rain (24%), showers are usually brief. Expect comfortable 14°C weather. Take advantage of the off-peak calm in Lisbon to see the sights without the usual crowds.
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Lisbon Weather Forecast for January 3
"Mild & Comfortable. Expect average highs of 14.3°C. 24% chance of rain."
What to Wear in Lisbon in January
Based on historical data for January 3, Lisbon typically experiences temperatures between 9.4°C and 14.3°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (24% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Lisbon
Smart Suitcase
- Light Jacket
- Long Pants
Average High
14.3°C
Daytime Peak
Average Low
9.4°C
Nighttime Low
Feels Like
14°C
🌤️ Feels accurate
Rain Chance
24%
Avg 1.8mm if it rains
Cloud Cover
58%
Overcast
Pressure
1023.1 hPa
High volatility
Lisbon Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 98% 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
11.8°C
Pleasant
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
❄️ Cold Water Hazard
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Portugal
Flight Traffic
Quiet
21/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~262
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Lisbon
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
07:56
☀️ Noon
12:42
🌇 Sunset
17:28
⏱️ Daylight
9h 31m
Wind Speed
19.5 km/h
Gentle breeze
Sunshine
6.7 hrs
Direct Sun (Cloud-free)
Humidity
85%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Lisbon
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Lisbon
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟢 Moderate
Price Level
💰💰 Moderate
Health & Wellbeing
Meteo-Health Forecast
Rapid pressure changes detected. High risk for meteosensitive people.
Weather unlikely to affect joint pain.
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, Lisbon on January 3 averages 14.3°C with a 24% precipitation probability. Wedding/Outdoor Event Score: 91/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Lisbon 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 • 15% rain
Score
96
December 29
14.6°C • 16% rain
Score
96
December 30
14.6°C • 17% rain
Score
95
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (January 3) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Lisbon Worth Visiting on January 3?
Planning a trip to Lisbon on January 3? 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 24% historical precipitation risk.
✈️ Travel Logistics: Approximately 262 landing slots available daily during this period, indicating peak tourist activity.
💉 Health Advisory: 6 vaccinations are recommended for Portugal, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 15.2°C (polar plunge). Wave conditions are generally surfers only with heights around 1.65m.
📊 Historical Extremes: The hottest January 3 recorded in the last 30 years saw temperatures hit 17.2°C in 2018, while the coldest dropped to 3°C in 2021.