Porto in August
In August, Porto averages 26°C (79°F) during the day and 17°C (63°F) at night, with only about 4 rainy days.
Peak seasonConditions are warm and beach-friendly. Occasional showers are likely but won't dominate.
August is a great month to visit Porto: pleasant temperatures and relatively few wet days.
How August compares to the rest of the year in Porto
August is one of the warmest months in Porto (2nd of 12) and one of the driest months (12th of 12). Daytime temperature runs 6°C above the annual average (20°C). August runs roughly the same as July (26°C) and cools 1°C in September (25°C).
August sunrise & sunset in Porto
Times shown for Porto local time (Europe/Lisbon), calculated for the 15th of August. They shift by a few minutes day to day across the month.
Photography light in Porto — August
Golden-hour and blue-hour windows for the 15th of August, in Porto's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Porto in August
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on August's tier (Peak season) and Porto's popularity.
Crowds & pricing — August in Porto
Porto is in peak season during this month — expect bigger crowds at famous sights, higher hotel and flight prices, and longer queues. Restaurant reservations a few days out are advisable, and any boutique hotels you have your eye on should be booked weeks ahead. The trade-off: most attractions, restaurants, and seasonal services are fully open, the weather is at its most reliable, and the city feels at its most alive.
Why this tier: excellent tourism weather Northern Hemisphere summer holidays
Sun & mosquito risk — August in Porto
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Porto in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 14°C / 57°F | 8°C / 46°F | 130 mm | 14 | 0 |
| February | 15°C / 59°F | 8°C / 46°F | 105 mm | 13 | 0 |
| March | 17°C / 63°F | 9°C / 48°F | 85 mm | 12 | 0 |
| April | 18°C / 64°F | 11°C / 52°F | 90 mm | 13 | 0 |
| May | 20°C / 68°F | 13°C / 55°F | 75 mm | 12 | 0 |
| June | 24°C / 75°F | 15°C / 59°F | 35 mm | 8 | 0 |
| July | 26°C / 79°F | 17°C / 63°F | 20 mm | 4 | 0 |
| August | 26°C / 79°F | 17°C / 63°F | 20 mm | 4 | 0 |
| September | 25°C / 77°F | 16°C / 61°F | 65 mm | 8 | 0 |
| October | 21°C / 70°F | 14°C / 57°F | 130 mm | 13 | 0 |
| November | 17°C / 63°F | 11°C / 52°F | 145 mm | 14 | 0 |
| December | 14°C / 57°F | 9°C / 48°F | 165 mm | 14 | 0 |
Other cities with similar August weather
🌍 See the full ranked list of climate twins for Porto in August →
Frequently asked questions
How hot is Porto in August?
In August, Porto averages a high of 26°C (79°F) and a low of 17°C (63°F) — generally warm.
Does it rain a lot in Porto in August?
August is generally dry in Porto, with about 4 rainy days on average.
Is August a good time to visit Porto?
August is warm and mostly dry. It suits travelers who are comfortable with warm weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Porto in August?
Pack light layers for warm days and cooler evenings. See the full August packing list for Porto for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.