October in Porto averages highs of 21 °C (69 °F) and lows of 14 °C (57 °F), with about 12 rainy days and 11 h 01 min of daylight. The sea is fresh, around 19 °C (66 °F): fine for a quick swim.
October weather in Porto at a glance
average high to low each dot ≈ 3 rainy days
Is October a good time to visit Porto?
Mixed weather: comfortably warm and wet. October is usually shoulder season in Porto: fewer crowds than peak months, with prices often a little lower.
Our rule: a month scores 2 points for comfortable average highs of 18–28 °C (1 point for 14–18 or 28–32 °C) and 2 points for 5 or fewer rainy days (1 point for 6–10). Average highs above 35 °C or below 8 °C make it a tough month whatever the rain. A rainy day here means 2 mm of rain or more. 4 points = great, 3 = good, 2 = mixed, 0–1 = tough.
Holidays and events in October 2026
- Mon 5 Oct: Republic Day (Implantação da República) public holiday
Banks and many shops close on public holidays, and museums may change their hours, so check before you go.
Things to do in Porto in October
With frequent rain in October, here are the indoor picks first, then the outdoor ones for drier spells.
- Port cellars in Vila Nova de Gaia — tastings across the river indoors
- Livraria Lello and Clérigos Tower — book ahead for both indoors
- São Bento station tiles — 20,000 azulejos in the hall indoors
- Ribeira and the Dom Luís I bridge — walk the top deck at sunset outdoors
- Foz do Douro — ocean promenade and lighthouse outdoors
- Douro Valley day trip — vineyards and river views outdoors
Where to stay: Ribeira and Baixa for sights on foot; Cedofeita for cafés; Foz for the ocean.
What to pack for Porto in October
- Light layers for the day and a jumper for evenings, which cool to 14 °C (57 °F).
- An umbrella or a light waterproof: about 12 days this month see real rain.
- Comfortable walking shoes.
What a day in Porto costs
| Budget traveller | Mid-range | |
|---|---|---|
| Typical total per person, per day | €50–110 | €140–280 |
Excluding flights. October is usually shoulder season in Porto: fewer crowds than peak months, with prices often a little lower.
October in nearby cities
| City | High / low | Rainy days | Verdict |
|---|---|---|---|
| Lisbon | 23° / 16° | 8 | Good time to go |
| Madrid | 22° / 11° | 7 | Good time to go |
| Seville | 27° / 16° | 6 | Good time to go |
Plan your Porto trip
- Romantic Weekend in Porto: 2-Day Plan for Couples (2026)
- How to Plan a Trip in 10 Minutes (2026 Step-by-Step)
- Best Time to Visit Portugal: Month-by-Month Guide 2026
Want the whole trip planned? Join the Journey waitlist: tell it where, when and your budget, and it plans every day hour by hour.
FAQ
Is October a good time to visit Porto?
By the numbers, October is a mixed month: comfortably warm and wet, with average highs of 21 °C (69 °F) and about 12 rainy days. October is usually shoulder season in Porto: fewer crowds than peak months, with prices often a little lower. The best months for weather are July, August, September.
How warm is Porto in October?
Average highs are 21 °C (69 °F) and lows 14 °C (57 °F) (2015–2024 averages). The sea is fresh, around 19 °C (66 °F): fine for a quick swim.
Does it rain a lot in Porto in October?
Expect about 12 days with 2 mm of rain or more, about 183 mm in total. It is the 3rd wettest month of the year in Porto.
Sources: climate averages from Open-Meteo historical weather (ERA5 reanalysis, 2015–2024); sea temperatures from the Open-Meteo marine API (2023–2024); public holidays from Nager.Date. Daylight is calculated for the 15th of the month. Averages are a guide, not a forecast. Costs are typical ranges per person per day, excluding flights.