Porto weather in August
Porto in August averages 20°C (68°F), 33 mm of rain and 9.3 hours of sun a day.
Of the twelve months in Porto, August is the warmest, the second driest and the third sunniest.
- Average temp
- 20°C (68°F)
16–24°C · 60–76°F
- Rainfall
- 33 mm
Not much rain
- Sunshine
- 9.3 h
hours per day
- Wind
- 11 km/h
What is Porto like in August?
Daytime
Days are mild.
Rain
Rain is usually light.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for Porto in August?
High-factor sun cream
With 9.3 hours of sun a day, burn time is short even in shade.
Sunglasses and a brimmed hat
Midday glare is the part people underpack for, not the heat itself.
A layer for the evening
Evenings cool off noticeably once the sun is down.
August compared with July and September
August in Porto is about the same temperature as July and 11 mm wetter than it, which averages 20°C (68°F).
August in Porto is 0.7°C warmer than September and 42 mm drier than it, which averages 19°C (67°F).
Daylight in Porto in August
On 15 August the sun is up for 13 hours 48 minutes in Porto, rising about 06:44 and setting about 20:32 local time.
August ends 1 hour 12 minutes shorter than it begins, so the last week of the month is a different length of day from the first.
That is 1 hour 20 minutes short of June, the longest-lit month here.
Where to stay in Porto
Dates are a starting point for August.
Travel guides for Porto
What to read before you book.
Porto weather by month
TemperatureRainfall
How August compares with the rest of the year
August is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 10°C / 50°F | 151 mm |
| February | 11°C / 51°F | 97 mm |
| March | 13°C / 56°F | 104 mm |
| April | 14°C / 58°F | 99 mm |
| May | 16°C / 61°F | 89 mm |
| June | 18°C / 64°F | 35 mm |
| July | 20°C / 68°F | 22 mm |
| August | 20°C / 68°F | 33 mm |
| September | 19°C / 67°F | 75 mm |
| October | 17°C / 63°F | 158 mm |
| November | 13°C / 56°F | 181 mm |
| December | 11°C / 52°F | 173 mm |
Check another month
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FAQs about Porto in August
August climate averages for Porto, 1991–2020.
Porto averages 20°C (68°F) in August, ranging from about 16°C (60°F) at night to 24°C (76°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Barely. August sees only about 33 mm, so rain is unlikely to affect your plans.
Yes. August averages 20°C (68°F) against 19°C (67°F) in September — 0.7°C warmer.
August is about as warm as July, and 11 mm wetter.
Yes. August falls inside the most comfortable stretch of the year here, May to October, on temperature and rainfall together.
About 9.3 hours of sun a day on the 1991–2020 average — among the brighter months anywhere.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what August is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 13 hours 48 minutes of daylight in mid-August, against 15 hours 8 minutes in June and 9 hours 14 minutes in December.
On 15 August, sunrise is about 06:44 and sunset about 20:32 local time. Both shift across the month — the month ends 1 hour 12 minutes shorter than it starts.
