Weather in Porto in October 2025
Average weather
Average temperature in Porto in October
The expected average maximum temperature in October is +22°C with a maximum of +31°C and a minimum of +12°C.
The average maximum temperature goes down 58% by the end of the month, compared with the beginning of the month, from +29°C to +18°C.
Is Porto warm or cold in October?
Porto is typically mild in October.
Maximum temperatures go down compared to the previous month from +23°C to +20°C. The minimum temperature also goes down from +16°C to +14°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how October is compared to other months in Porto:
Water temperature in Porto in October
Water in Porto in October is Fresh. It varies from +16°C to +20°C, with an average of +18°C. This is almost similar to the air temperature, which averages +20°C.
The water temperature in October is one of the warmest of the entire year:
Can you swim in Porto in October?
Climate in Porto in October
| September | October | November | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +23°C | +20°C | +16°C | ||||
| Min. temperature | ||||||
| +7°C | +3°C | +1°C | ||||
| Max. temperature | ||||||
| +36°C | +32°C | +24°C | ||||
| Rainfall | ||||||
| 55 mm | 145 mm | 151 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Avg. water temperature | ||||||
| +18°C | +18°C | +17°C | ||||
| Humidity | ||||||
| 77% | 78% | 79% | ||||
| Air pressure | ||||||
| 1016 HPa | 1015 HPa | 1017 HPa | ||||
| Sunny days | ||||||
| 12 | 10 | 9 | ||||
| Cloudy days | ||||||
| 8 | 6 | 5 | ||||
| Rainy days | ||||||
| 9 | 14 | 15 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
October typically has worse weather conditions compared to September. It’s getting colder in October. From +23°C in the day, the average maximum temperature lowers to +20°C. Prepare for more rain. Average rainfall goes from 55 mm to 145 mm. Humidity rises from 77% to 78%. The average wind speed doesn’t change much during October, staying around 2 m/s. The days becoming less sunny, going from 12 sunny days in September to 10 in October.
November brings much the same weather, it remains ok.
Wind
The average wind speed is 4 m/s getting up to 10 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Porto is gradually increasing during October, going from 1 m/s to 5 m/s over the course of the month.
Rain
How was the weather last October in Porto?
Climate Change over Years
The climate in Porto in October has not changed much over the last 43 years.
The average temperature was the lowest in 1979 (+17°C) and the highest in 2022 (+20°C). The driest year was 2007 with only 565 mm of rainfall, and the wettest year was 2022 with 1854 mm.
FAQ
Is October a good time to visit Porto?
Can you sunbathe in Porto in October?
Can you swim in Porto in October?
Is Porto rainy in October?
Is it sunny in Porto in October?
Other cities in Portugal
Monthly weather in Porto
Source of the data
For this page, we’ve looked at the typical weather in Porto, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.