April 30 is generally a great time to visit Sintra. While there is a slight chance of rain (18%), showers are usually brief. Expect comfortable 17°C weather. Sintra is currently in its most popular travel window, meaning vibrant crowds and premium pricing.
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Essential Travel Info for Sintra
Currency
EUR
€ Euro
Language
Portuguese
Driving
Right side
Safety
Very High Safety
GPI: 1.301
Sintra Weather Forecast for April 30
"Mild & Comfortable. Expect average highs of 17.2°C. 18% chance of rain."
What to Wear in Sintra in April
Based on historical data for April 30, Sintra typically experiences temperatures between 12°C and 17.2°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (18% 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
17.2°C
Daytime Peak
Average Low
12°C
Nighttime Low
Feels Like
17.2°C
🌤️ Feels accurate
Rain Chance
18%
Avg 0.9mm if it rains
Cloud Cover
50%
Overcast
Pressure
1015.4 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 81% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
06:00 - 10:00
16:00 - 20:00
Type I-II
🔴 17 min to burn
Type III-IV
🟡 26 min to burn
Type V-VI
🟢 43 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
12.9°C
Pleasant
Heat Stress
Low
No heat warning
🙂 Best outdoor time:
Any time during daylight hours
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Portugal
Flight Traffic
High
94/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~322
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Sintra
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:42
☀️ Noon
13:35
🌇 Sunset
20:29
⏱️ Daylight
13h 46m
Wind Speed
23.2 km/h
Moderate wind
Sunshine
11.9 hrs
Direct Sun (Cloud-free)
Humidity
76%
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
🟡 Busy
Price Level
💰💰 Moderate
Health & Wellbeing
Meteo-Health Forecast
Moderate fluctuations. Some sensitivity possible.
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
Rare minor tremors. Buildings are earthquake-resistant.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Sintra on April 30 averages 17.2°C with a 18% precipitation probability. Wedding/Outdoor Event Score: 90/100."
— 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
May 6
18.2°C • 15% rain
Score
100
May 5
18.2°C • 15% rain
Score
95
May 7
18.1°C • 16% rain
Score
95
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (April 30) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Sintra Worth Visiting on April 30?
Planning a trip to Sintra on April 30? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 17.2°C with a 18% historical precipitation risk.
✈️ Travel Logistics: Approximately 322 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 April 30 recorded in the last 30 years saw temperatures hit 24.9°C in 2022, while the coldest dropped to 8.6°C in 2018.