The climate in Portimão during October can be summarized as warm and reasonably dry.
October is in the fall / autumn in Portimão and is typically the 5th warmest month of the year. Daytime maximum temperatures average around 22°C (72°F), whilst at night 15°C (59°F) is normal.
Daytime temperature | 22.1°C 71.8°F |
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Nightly temperature | 15.1°C 59.2°F |
Average temperature | 18.6°C 65.5°F |
Daily sunshine | 7.7 hrs |
Avg rainfall | 55 mm 2.1 ins |
Rainy days | 8 days |
Sea temperature | 20.4°C 68.6°F |
Humidity | 73% |
Windspeed | 13kph 8 mph |
On average October is the 5th wettest month of the year in Portimão with around 55mm 2.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.7 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Portimão in October 2025.
Best places to visit in October
Hottest month: | August | 26.1°C 79°F |
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Driest month: | July | 1mm 0ins |
Sunniest month: | August | 11.8hrs |
Coldest month: | January | 15.4°C 59.7°F |
Wettest month: | December | 99mm 3.9ins |