July 3 is statistically one of the best days of the year in Sintra. With minimal rain risk (0%) and pleasant highs of 22°C, it's ideal for outdoor adventures. It's a lively time to explore Sintra, with most attractions operating at full capacity.
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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 July 3
"Mild & Comfortable. Expect average highs of 22°C. 0% chance of rain."
What to Wear in Sintra in July
Based on historical data for July 3, Sintra typically experiences temperatures between 16.3°C and 22°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (0% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Sintra
Smart Suitcase
- T-Shirt
- Light Clothing
Average High
22°C
Daytime Peak
Average Low
16.3°C
Nighttime Low
Feels Like
22.4°C
☀️ Feels accurate
Rain Chance
0%
Avg 0mm if it rains
Cloud Cover
32%
Overcast
Pressure
1017.9 hPa
Low volatility
Sintra Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 82% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30+ required, seek shade
06:00 - 10:00
16:00 - 21:00
Type I-II
🔴 12 min to burn
Type III-IV
🟡 18 min to burn
Type V-VI
🟢 30 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
18.4°C
Noticeable
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
Busy
61/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~209
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Sintra
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:18
☀️ Noon
13:42
🌇 Sunset
21:07
⏱️ Daylight
14h 49m
Wind Speed
24.7 km/h
Moderate wind
Sunshine
13.0 hrs
Direct Sun (Cloud-free)
Humidity
80%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Sintra
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Sintra
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🔴 Very 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
Rare minor tremors. Buildings are earthquake-resistant.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Sintra on July 3 averages 22°C with a 0% precipitation probability. Wedding/Outdoor Event Score: 100/100."
— 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
Compare Other Cities
Same date (July 3) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Sintra Worth Visiting on July 3?
Planning a trip to Sintra on July 3? 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 22°C with a 0% historical precipitation risk.
✈️ Travel Logistics: Approximately 209 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 July 3 recorded in the last 30 years saw temperatures hit 33°C in 2017, while the coldest dropped to 14.1°C in 2018.