Temperature
Warm by day, mild at night.
79°Ftypical Aug high
Typical range
Porto
Portugal · Europe
Porto is most comfortable in early autumn. Summers are warm and winters are mild. The wettest months are roughly October to January. Humidity is usually low.
Best time to go
12 mo · Typical year
Temperature range
44°F to 79°F
Rain
9 days/mo
Sunshine
10 h/day
Humidity feel
Generally dry
When to visit
Month-by-month fit
Precipitation
One of the driest months, with very little rain.
10%wet-day frequency
AmountWet-day chance
Sunshine
Plenty of sun this month.
12.4 hAug sunshine
Heat & humidity by month
Warm days, with some hot afternoons and occasional humid spells.
LowAug heat feel
Easy airWarm airHot airHumid air
Hourly comfort pattern
In August, afternoons feel about 78° and nights feel near 66°.
Very coldColdCoolComfortableWarmNight shading
More detailIncludes sky, daypart comfort, sea, and wind
Cloud cover
Predominantly clear skies.
65%Aug clear sky
ClearCloud cover
Sea temperature
67°Aug sea temp
Typical August day
August late afternoons are around 79°F, easing to about 74°F in early evening.
Avg temp Typical range
Morning70°F
Feels 71°F
Rain9%
Cloud43%
Humid airLow
Sun intensityLow
Best windowMidday77°F
Rain9%
Cloud33%
Humid airModerate
Sun intensityStrong
Late afternoon79°F
Rain8%
Cloud28%
Humid airLow
Sun intensityStrong
Early evening74°F
Rain6%
Cloud23%
Humid airModerate
Sun intensityLow
Wind pattern
Calm winds are typical in August.
6 mphAug Light breeze
Typical wind speed (mph)
Similar
Similar things to doBarcelonaSpainSimilar things to doLisbonPortugalSimilar things to doIstanbulTurkeySimilar things to doRomeItaly
Want a side-by-side climate view? Compare Porto with Barcelona.
Climate data notePlanning guidance, not a forecast
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 1, 2026
Data & methodology