What to pack for Porto in August
- t-shirts and light layers
- a light jacket for evenings
Humidity averages 80%; max daily wind around 20 km/h.
How August compares
Best months in Porto: May–September. See the full best time to visit Porto guide.
Porto in August: the details
In August, Porto sees average daytime highs of 24°C (75°F) and overnight lows of 16°C (61°F). Rainfall totals roughly 16 mm across 2.8 rainy days, and the sun shines about 11.9 hours per day with 13.6 hours of daylight mid-month. Relative humidity averages 80%.
In context: August is the second-warmest month and the 11th-wettest in Porto. The sunniest month is July (13.3 h/day).
| Metric | August average |
|---|---|
| Daytime high | 24°C / 75°F |
| Overnight low | 16°C / 61°F |
| Rainfall | 16 mm over 2.8 rainy days |
| Sunshine | 11.9 h/day (13.6 h daylight) |
| Humidity | 80% |
| Travel score | 10.0 / 10 |
These figures are climate normals computed from the ERA5 weather reanalysis (2019–2024) for Porto, Portugal (41.15, -8.61) — see our methodology. Actual conditions vary year to year.
Not set on Porto? Browse the best places to visit in August ranked by travel score.
Frequently asked questions
How hot is Porto in August?
Daytime highs in Porto in August average 24°C (75°F); nights drop to about 16°C.
Does it rain in Porto in August?
Expect around 2.8 rainy days and 16 mm of rainfall in August.
Is August a good time to visit Porto?
August is one of the best months to visit Porto. Overall travel score: 10.0/10. The best months are May–September.
Also good in August, near Porto
Where should you go next month?
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