Lisbon
Portugal
Long-term weather forecast
Long-term weather forecast

October weather forecast and climate
Lisbon, Portugal

The beautiful hillside city of Lisbon in Portugal, with a high, far view of the Sao Jorge Castle
The beautiful hillside city of Lisbon in Portugal, with a high, far view of the Sao Jorge Castle
The weather is nice for tours and exploration - temperatures stand at a mean of 18.9°C (66°F), and the average chance of rain is 23%. At 16.7°C (62.1°F), the sea is still suitable for a quick swim.
In October, Lisbon is amber as autumn starts. Visit Sintra's UNESCO World Heritage Site and capture all the beauty of the autumn leaves as they change color in October.

What is the temperature in October in Lisbon?

In Lisbon, in October, the average high-temperature is 22.5°C (72.5°F), and the average low-temperature is 15.1°C (59.2°F).

How much does it rain in Lisbon in October?

In October, in Lisbon, the rain falls for 10 days. Throughout October, 100.8mm (4") of precipitation is accumulated.

What is the sea temperature in October in Lisbon?

In Lisbon, the average seawater temperature in October is 19.8°C (67.6°F). Swimming in 19.8°C (67.6°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

How many hours of daylight does Lisbon have in October?

In Lisbon, the average length of the day in October is 11.2h.

How many hours of sunshine does Lisbon have in October?

In October, the average sunshine is 7h.

What is the UV index reading in October in Lisbon?

The average daily maximum UV index in October in Lisbon is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from unsafe exposure to the Sun's UV rays.
Average temperature in October - Lisbon, Portugal
  • Average high temperature in October: 22.5°C

The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is January (14.8°C).

  • Average low temperature in October: 15.1°C

The month with the highest average low temperature is August (18.6°C).
The coldest month (with the lowest average low temperature) is January (8.3°C).

Average rainfall in October - Lisbon, Portugal
  • Average rainfall in October: 100.8mm

The wettest month (with the highest rainfall) is November (127.6mm).
The driest month (with the lowest rainfall) is July (4.2mm).

Average rainfall days in October - Lisbon, Portugal
  • Average rainfall days in October: 10 days

Months with the highest number of rainy days are January, February and December (14 days).
Months with the lowest number of rainy days are July and August (2 days).

Average sea temperature in October - Lisbon, Portugal
  • Average sea temperature in October: 19.8°C

The best month for swimming (with the highest average sea temperature) is September (19.9°C).
The coldest month (with the lowest average sea temperature) is March (15.1°C).

Average daylight in October / Average sunshine in October - Lisbon, Portugal
  • Average daylight in October: 11.2h

The month with the longest days is June (Average daylight: 14.8h).
The month with shortest days is December (Average daylight: 9.5h).

  • Average sunshine in October: 7h

Months with most sunshine are July and August (Average sunshine: 11h).
Months with least sunshine are January, February, November and December (Average sunshine: 5).

Average UV index in October - Lisbon, Portugal
  • Average UV index in October: 4

Months with the highest UV index are June and July (UV index 9).
Months with the lowest UV index are January and December (UV index 2).