April 25 is generally a great time to visit Porto. While there is a slight chance of rain (25%), showers are usually brief. Expect comfortable 18°C weather. You'll find plenty of company in Porto this month as tourism activity remains quite robust. Note: April 25 is Freedom Day in Porto, so expect special events, closures, and festive atmosphere.
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Essential Travel Info for Porto
Currency
EUR
€ Euro
Language
Portuguese
Driving
Right side
Connect
Porto has 4G from all Portuguese carrier...
Safety
Very High Safety
GPI: 1.301
Porto Weather Forecast for April 25
"Mild & Comfortable. Expect average highs of 18.3°C. 25% chance of rain."
What to Wear in Porto in April
Based on historical data for April 25, Porto typically experiences temperatures between 10.7°C and 18.3°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (25% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Porto
Smart Suitcase
- Light Jacket
- Long Pants
Average High
18.3°C
Daytime Peak
Average Low
10.7°C
Nighttime Low
Feels Like
18.3°C
🌤️ Feels accurate
Rain Chance
25%
Avg 2.1mm if it rains
Cloud Cover
52%
Overcast
Pressure
1016 hPa
Medium volatility
Porto Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 89% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
05:00 - 10:00
16:00 - 19:00
Type I-II
🔴 19 min to burn
Type III-IV
🟡 29 min to burn
Type V-VI
🟢 48 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
14.6°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
Holiday
Freedom Day
Flight Traffic
Busy
70/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~172
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Porto
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:41
☀️ Noon
12:33
🌇 Sunset
19:25
⏱️ Daylight
13h 43m
Wind Speed
19.2 km/h
Gentle breeze
Sunshine
11.4 hrs
Direct Sun (Cloud-free)
Humidity
79%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Porto
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Porto
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 excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Zero seismic activity detected in 30 years.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Porto on April 25 averages 18.3°C with a 25% precipitation probability. Wedding/Outdoor Event Score: 91/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Porto 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 (April 25) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Porto Worth Visiting on April 25?
Planning a trip to Porto on April 25? 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 18.3°C with a 25% historical precipitation risk.
🎉 Local Event: The date coincides with Freedom Day, which may influence local business hours and event availability.
✈️ Travel Logistics: Approximately 172 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 6 vaccinations are recommended for Portugal, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 16.3°C (polar plunge). Wave conditions are generally surfers only with heights around 1.51m.
📊 Historical Extremes: The hottest April 25 recorded in the last 30 years saw temperatures hit 20.9°C in 2016, while the coldest dropped to 9°C in 2016.