October weather forecast
Lisbon, Portugal

October in Lisbon bears witness to the onset of autumn, with temperatures gradually declining. As the city braces for winter, rainfall frequency increases, with an average precipitation of 101mm (3.98"). Despite this, Lisbon retains its charm, with alternating periods of sun and showers. The diminishing daylight hours and decline in UV index give the city a new character, making it an interesting time for tourists to explore. However, the falling temperatures require appropriate clothing, particularly in the mornings and evenings.

Temperature

Lisbon experiences a moderate temperature shift at the start of October, with average high-temperatures adjusting a bit from a warm 26.5°C (79.7°F) in September to a pleasant 22.5°C (72.5°F). In October, the temperature drops to an average of 15.1°C (59.2°F) at night.

Rainfall

In October, in Lisbon, the rain falls for 10 days. Throughout October, 101mm (3.98") of precipitation is accumulated. 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, the average seawater temperature in October is 19.8°C (67.6°F).
Note: Most people do not enjoy swimming in water that is 19.8°C (67.6°F). Breathing becomes increasingly challenging as the water temperature dips under 21°C (69.8°F).

Daylight

In Lisbon, the average length of the day in October is 11h and 11min.
On the first day of October in Lisbon, sunrise is at 07:32 and sunset at 19:19 WEST. On the last day of the month, sunrise is at 07:02 and sunset at 17:37 WET.
Note: On Sunday, 27. October 2024, at 02:00, Daylight Saving Time ends, and the time zone changes from WEST to WET. Daylight Saving Time starts again on Sunday, 30. March 2025, at 01:00; consequently, the time zone reverts from WET to WEST.

Sunshine

In October, the average sunshine is 7h.

UV index

In Lisbon, the average daily maximum UV index in October is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 4 in October interprets into the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.