October weather forecast
Sines, Portugal

October

Weather in October

October, the same as September, in Sines, Portugal, is an agreeable autumn month, with an average temperature varying between 17.8°C (64°F) and 21.7°C (71.1°F).

Temperature

An average high-temperature of a pleasant 21.7°C (71.1°F) marks October, exhibiting a close resemblance to the conditions in September. Sines records a slight downturn to an average a comfortable 17.8°C (64°F) during the nights of October.

Humidity

October is the least humid month in Sines, Portugal, with an average relative humidity of 72%.

Rainfall

In October, in Sines, the rain falls for 8.4 days. Throughout October, 37mm (1.46") of precipitation is accumulated. Throughout the year, in Sines, Portugal, there are 94.6 rainfall days, and 327mm (12.87") of precipitation is accumulated.

Sea temperature

With an average sea temperature of 20.5°C (68.9°F), October is the month with the warmest seawater in Sines.
Note: Most people do not take pleasure in swimming in water at 20.5°C (68.9°F). The difficulty of managing breathing increases as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).

Daylight

In Sines, Portugal, the average length of the day in October is 11h and 13min.
On the first day of the month, sunrise is at 07:31 and sunset at 19:18 WEST. On the last day of October, sunrise is at 07:00 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

The average sunshine in October in Sines is 7.5h.

UV index

In Sines, the average daily maximum UV index in October is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: In October, the UV index of 5 transforms into the following advice:
Ensure safety - Sun damage prevention is strongly urged. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.

Frequently asked questions

What is the average October temperature in Sines?
In Sines, 21.7°C (71.1°F) is the average high-temperature and 17.8°C (64°F) is the average low-temperature during October.
What is the least humid month in Sines?
The least humid month in Sines is October, with an average relative humidity of 72%.
What is the average humidity in October in Sines?
In October, the average relative humidity in Sines, Portugal, is 72%.
How many days does it rain in October in Sines?
In Sines, Portugal, in October, during 8.4 rainfall days, 37mm (1.46") of precipitation is typically accumulated.
When is the sea warmest in Sines?
October is the month with the warmest seawater, with an average sea temperature of 20.5°C (68.9°F).
How cold is the water in October in Sines?
In October, the average sea temperature in Sines, Portugal, is 20.5°C (68.9°F). For most, swimming in 20.5°C (68.9°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 Sines have in October?
The average day length in October in Sines, Portugal, is 11h and 13min.
What time are sunrise and sunset in October in Sines?
In October, on the first day of the month, sunrise is at 07:31 and sunset at 19:18 WEST. On the last day of the month, in Sines, Portugal, sunrise is at 07:00 and sunset at 17:37 WET.
When does Daylight Saving Time (DST) end in October in Sines?
On Sunday, 27. October 2024, at 02:00, Daylight Saving Time ends in Sines, and the time zone changes from WEST to WET. The next DST starts on Sunday, 30. March 2025, at 01:00.
How many hours of sunshine does Sines have in October?
The average sunshine duration in October in Sines is 7.5h.
What is the UV index intensity in October in Sines?
In Sines, the average daily maximum UV index in October is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in October
Sines, Portugal
  • Average high temperature in October: 21.7°C

The warmest month (with the highest average high temperature) is August (24.2°C).
The month with the lowest average high temperature is February (14.8°C).

  • Average low temperature in October: 17.8°C

The months with the highest average low temperature are August and September (18.8°C).
The coldest month (with the lowest average low temperature) is February (10.8°C).

Average pressure in October
Sines, Portugal
  • Average pressure in October: 1016.2mbar

The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).

Average wind speed in October
Sines, Portugal
  • Average wind speed in October: 15.5km/h

The windiest month (with the highest average wind speed) is February (19.4km/h).
The calmest month (with the lowest average wind speed) is September (15.1km/h).

Average humidity in October
Sines, Portugal
  • Average humidity in October: 72%

The month with the highest relative humidity is April (76%).
The month with the lowest relative humidity is October (72%).

Average rainfall in October
Sines, Portugal
  • Average rainfall in October: 37mm

The wettest month (with the highest rainfall) is November (56mm).
The driest month (with the least rainfall) is July (1mm).

Average rainfall days in October
Sines, Portugal
  • Average rainfall days in October: 8.4 days

The month with the highest number of rainy days is November (13.4 days).
The month with the least rainy days is August (1.1 days).

Average sea temperature in October
Sines, Portugal
  • Average sea temperature in October: 20.5°C

The best month for swimming (with the highest average sea temperature) is October (20.5°C).
The coldest month (with the lowest average sea temperature) is March (15.6°C).

Average daylight in October /
Average sunshine in October
Sines, Portugal
  • Average daylight in October: 11h and 1min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in October: 7h and 3min

The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).

Average sunshine days in October
Sines, Portugal
  • Average sunshine days in October: 21.6 days

The month with the most sunshine days is August (29.4 days).
The month with the least sunshine days is April (15.3 days).

Average UV index in October
Sines, Portugal
  • Average UV index in October: 5

The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, April, November and December (UV index 4).

Average cloud cover in October
Sines, Portugal
  • Average cloud cover in October: 26

The month with the most cloud cover is January (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 10).

Average visibility in October
Sines, Portugal
  • Average visibility in October: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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