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
October, the same as September, in Lisbon, Portugal, is another pleasant autumn month, with average temperature varying between 22.5°C (72.5°F) and 15.1°C (59.2°F).

Temperature

In Lisbon, the average high-temperature marginally drops, from a warm 26.5°C (79.7°F) in September, to an agreeable 22.5°C (72.5°F). The average low-temperature, in October, is 15.1°C (59.2°F).

Rainfall

In Lisbon, it is raining for 10 days, with typically 100.8mm (3.97") of accumulated precipitation. In Lisbon, during the entire year, the rain falls for 112 days and collects up to 774mm (30.47") of precipitation.

Sea temperature

In Lisbon, in October, the average water temperature is 19.8°C (67.6°F).
Note: 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).

Daylight

The average length of the day in October is 11.2h.

Sunshine

In Lisbon, the average sunshine is 7h.

UV index

In Lisbon, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 4 in October transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

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 Lisbon, Portugal, in October, it is raining for 10 days, with typically 100.8mm (3.97") of accumulated precipitation.

What is the sea temperature in October in Lisbon?

In October, the average sea temperature in Lisbon, Portugal, is 19.8°C (67.6°F). For most, swimming in 19.8°C (67.6°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

How many hours of daylight does Lisbon have in October?

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

How many hours of sunshine does Lisbon have in October?

In October, the average sunshine in Lisbon is 7h.

What is the UV index reading in October in Lisbon?

In Lisbon, the average daily maximum UV index in October is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from the 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 least 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 least 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 the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in October: 7h

Months with the most sunshine are July and August (Average sunshine: 11h).
Months with the 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).