October weather forecast
Viana do Castelo, Portugal

October in Viana do Castelo is marked by a significant decrease in temperature and daylight from the previous month. It is substantially chillier with a low average temperature of 11.2°C (52.2°F), but not as cold as November. There's also a noticeable drop in daylight hours, which prompts an earlier sunset. This change in the weather also creates a quiet, peaceful atmosphere in the city.

Temperature

The onset of October results in a small decrease in the average high-temperature, moderately receding from a moderately hot 24.8°C (76.6°F) in September to a pleasant 20.9°C (69.6°F). Viana do Castelo's average low-temperature in October is measured at a fresh 11.2°C (52.2°F).

Sea temperature

In Viana do Castelo, the average seawater temperature in October is 17.8°C (64°F).
Note: The majority of people do not enjoy swimming in 17.8°C (64°F). The difficulty in controlling breathing escalates as the temperature descends from 21°C (69.8°F) to 15°C (59°F).

Daylight

In Viana do Castelo, the average length of the day in October is 11h and 5min.
On the first day of the month, sunrise is at 07:32 and sunset at 19:16 WEST. On the last day of October, sunrise is at 07:06 and sunset at 17:31 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.