August 21 is generally a great time to visit Ponta Delgada. While there is a slight chance of rain (26%), showers are usually brief. Expect comfortable 25°C weather. You'll find plenty of company in Ponta Delgada this month as tourism activity remains quite robust.
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Essential Travel Info for Ponta Delgada
Currency
EUR
€ Euro
Language
Portuguese
Driving
Right side
Safety
Very High Safety
GPI: 1.301
Ponta Delgada Weather Forecast for August 21
"Mild & Comfortable. Expect average highs of 24.7°C. 26% chance of rain."
What to Wear in Ponta Delgada in August
Based on historical data for August 21, Ponta Delgada typically experiences temperatures between 20.7°C and 24.7°C. We recommend packing t-shirt, light clothing to stay comfortable. With a 26% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Ponta Delgada
Smart Suitcase
- T-Shirt
- Light Clothing
Average High
24.7°C
Daytime Peak
Average Low
20.7°C
Nighttime Low
Feels Like
25.6°C
☀️ Feels accurate
Rain Chance
26%
Avg 1.2mm if it rains
Cloud Cover
49%
Light drizzle
Pressure
1021.7 hPa
Low volatility
Ponta Delgada 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
06:00 - 10:00
16:00 - 19:00
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
21°C
Humid/Sticky
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
⚠️ Mixed Conditions
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
~42
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Ponta Delgada
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:04
☀️ Noon
12:47
🌇 Sunset
19:30
⏱️ Daylight
13h 25m
Wind Speed
20.2 km/h
Moderate wind
Sunshine
11.6 hrs
Direct Sun (Cloud-free)
Humidity
80%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Ponta Delgada
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Ponta Delgada
Travel Comfort Index
Real-time tourism conditions
Weather Quality
⛅ Good
Tourist Crowds
🔴 Very Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Stable conditions. Low risk of headaches.
Weather unlikely to affect joint pain.
High pressure may reduce activity.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Moderate seismic activity. Occasional tremors possible.
Atlantic Hurricane Risk
Season: Jun - Nov
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Ponta Delgada on August 21 averages 24.7°C with a 26% precipitation probability. Wedding/Outdoor Event Score: 97/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Ponta Delgada Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
August 14
24.8°C • 17% rain
Score
98
August 24
24.4°C • 21% rain
Score
98
August 25
24.4°C • 20% rain
Score
98
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (August 21) in other destinations
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📍 Is Ponta Delgada Worth Visiting on August 21?
Planning a trip to Ponta Delgada on August 21? 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 24.7°C with a 26% historical precipitation risk.
✈️ Travel Logistics: Approximately 42 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 24.7°C (swimming pool). Wave conditions are generally surfers only with heights around 1.26m.
📊 Historical Extremes: The hottest August 21 recorded in the last 30 years saw temperatures hit 27.6°C in 2024, while the coldest dropped to 18.8°C in 2025.