The climate in Lisbon during October can be summarized as cool and reasonably dry.
October is in the fall / autumn in Lisbon and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a cool 15°C (58°F), whilst at night 0°C (32°F) is normal.
| Daytime temperature | 14.6°C 58.3°F | 
|---|---|
| Nightly temperature | 0°C 32°F | 
| Average temperature | 7.3°C 45.1°F | 
| Daily sunshine | 6.7 hrs | 
| Avg rainfall | 35 mm 1.4 ins | 
| Rainy days | 6 days | 
| Sea temperature | 11.8°C 53.3°F | 
| Humidity | 68% | 
| Windspeed | 19.4kph 12 mph | 
On average October is the 6th driest month of the year in Lisbon with around 35mm 1.4 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.7 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 Lisbon in October 2025.
Best places to visit in October
| Hottest month: | July | 28.5°C 83.3°F | 
|---|---|---|
| Driest month: | February | 11mm 0.4ins | 
| Sunniest month: | July | 12.2hrs | 
| Coldest month: | January | -8.7°C 16.3°F | 
| Wettest month: | June | 86mm 3.4ins |