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Monthly climate guide

Porto weather in October

With highs near 21°C (70°F) and lows around 14°C (58°F), October feels mild in Porto. Rainfall averages about 118 mm (wet) and the sky is a mix of sun and cloud. Daytime highs are 3°C cooler than September and 5°C warmer than November.

What stands out in October

  • Temperatures are falling — expect highs around 5°C lower by November.
  • It's wetter than a typical month in Porto — roughly 42% more rain than average.
  • Porto is usually about 2°C cooler than Coimbra, 110 km away, in October.
  • Keep a flexible plan: if showers roll in, shift Livraria Lello to a drier part of the day.

Avg high

21°C

70°F

Avg low

14°C

58°F

Rainfall

118 mm

wet

Humidity

77%

relative

Sky

46%

cloud · a mix of sun and cloud

Porto weather by month

Low → high °C Rain (mm)
Show the monthly averages as a table
Average monthly climate in Porto
MonthAvg highAvg lowRainHumidityCloud cover
January13°C / 56°F8°C / 47°F130 mm86%54%
February14°C / 56°F8°C / 46°F100 mm83%51%
March15°C / 60°F9°C / 48°F108 mm81%49%
April17°C / 63°F11°C / 52°F102 mm81%52%
May20°C / 68°F13°C / 55°F72 mm79%43%
June22°C / 71°F15°C / 58°F29 mm76%41%
July24°C / 76°F16°C / 61°F9 mm74%28%
August25°C / 76°F16°C / 61°F19 mm73%30%
September24°C / 75°F16°C / 61°F52 mm73%34%
October21°C / 70°F14°C / 58°F118 mm77%46%
November16°C / 61°F11°C / 52°F145 mm84%53%
December14°C / 58°F9°C / 49°F114 mm85%54%

What to pack for October

  • T-shirts plus a light layer for the evening
  • Comfortable trainers or sandals for long walks
  • A compact umbrella or packable rain jacket
  • Water-resistant shoes
Full season-by-season packing guide →

Is October a good time to visit Porto?

Our Porto guide recommends: May to June or September, for mild weather without peak summer crowds.

Cross the river to Vila Nova de Gaia for port wine cellar tours — most of the historic producers are based there, not in Porto itself.

Best time to visit Porto →

Other Portugal cities in October

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Porto in October: quick answers

Is October a good time to visit Porto?

October is one of the wetter months in Porto, with about 118 mm of rain. You can still go: pack a rain jacket and keep plans flexible.

How warm is Porto in October?

Average highs are about 21°C (70°F) and average lows about 14°C (58°F), based on 10 years of daily data.

Does it rain a lot in Porto in October?

Porto typically gets around 118 mm of rain in October — wet.

When is the best time to visit Porto?

May to June or September, for mild weather without peak summer crowds.

Figures are long-term averages for the area around Porto (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.