Porto Weather in October
In Porto, October brings pleasant daytime temperatures around 21°C (70°F), with nights cooling to 15°C (59°F). Expect quite a bit of rainfall this month.
Rainfall in Porto in October
Looking at the last 30 years, the data shows about 14 days with rain, averaging 158 mm (6.2 in) for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Porto in October
October in Porto sees highs of 21°C (70°F) and lows of 15°C (59°F) overnight. The difference between afternoon and evening temperatures is usually noticeable. With overnight lows of 15°C (59°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Porto in October
The month brings about 182 hours of sunlight, offering a comfortable mix of sun and overcast.
Wind Speed in Porto in October
In October, average wind speeds reach 4 m/s (8 knots), leading to light to moderate breezes. Conditions vary from day to day, with both calm and windier periods.
Average water temperature in October
The water is 17°C (63°F) this month — cool enough to feel refreshing on a warm day, but cold enough that most people won't stay in for long without a wetsuit.If you prefer enjoying temperate temperatures and rain-free days, May, June, July, August and September typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Portugal, check out our Porto's climate page.
Porto Temperature in October
Min Temperature
15°C (59°F)
Max Temperature
21°C (70°F)
Water Temperature
17°C (63°F)
Chance of Rain
47%
Precipitation
158 mm (6.2 in)
Rainy days
14 days
Humidity
80%
Windspeed
4 m/s (8 knots)
Sunshine
182 hours
Percentage Sunshine
56%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Porto typically stay consistent throughout October, with daily highs averaging around 21°C (70°F). Nights are cool, with lows typically ranging from 12°C (54°F) to 14°C (57°F).
Average temperatures in October
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in October
Historical weather for Porto in October
Browse day-by-day weather records for Porto spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Porto historical weather extremes in October
Based on 49 years of weather observations in Porto between 1976 and 2025, these are the recorded extremes.
- Porto recorded its highest October temperature of 33°C (91°F) on October 4, 1997.
- On October 30, 2018, Porto saw its coldest October day with temperatures maxing out at 12°C (54°F).
- The lowest overnight temperature recorded in October was 3°C (37°F) (October 29, 2018).
Best Places in Portugal in October
Find out more about the weather in Portugal and which places have the best travel conditions in this month. See all of Portugal in October →
perfect weather
pleasant
tolerable
unpleasant
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What to Wear in Porto in October
For Porto in October, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Also bring a poncho, it will rain a lot! Waterproof everything you can. Expect water temperatures of around 17°C (63°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Porto in October
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Portugal, check out our Porto's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Porto climate overview or explore weather in Portugal.
