October weather forecast
Olhão, Portugal

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Weather in October

Olhão in October continues its descent into autumn. A noticeable difference is felt in the climate from September as temperatures begin to fall. Average sea temperatures decrease from 21.6°C (70.9°F) to 21.3°C (70.3°F), marking a reduction in water-bound activities. October sees an upswing in rainfall from 3mm (0.12") to 14mm (0.55"), providing a much-needed restock of the region's water reserves. With a blend of warm days and cool nights, outdoor activities remain feasible, like exploring the city’s famous seafood markets.

Temperature

The shift into October in Olhão records an average high-temperature of an agreeable 22.2°C (72°F), subtly varied from September's 24.8°C (76.6°F). Olhão maintains a minor drop in temperature during October nights, with averages of 18.3°C (64.9°F).

Humidity

In October, the average relative humidity in Olhão is 71%.

Rainfall

In Olhão, during October, the rain falls for 5.8 days and regularly aggregates up to 14mm (0.55") of precipitation. Throughout the year, in Olhão, there are 54.1 rainfall days, and 109mm (4.29") of precipitation is accumulated.

Sea temperature

In Olhão, in October, the average water temperature is 21.3°C (70.3°F).
Note: Most people do not take pleasure in swimming in water at 21.3°C (70.3°F). The difficulty of managing breathing increases as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).

Daylight

The average length of the day in October is 11h and 14min.
On the first day of October, sunrise is at 07:27 and sunset at 19:14 WEST. On the last day of the month, sunrise is at 06:55 and sunset at 17:34 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 Olhão is 7.6h.

UV index

In Olhão, the average daily maximum UV index in October is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum high UV index of 5 in October translates into the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

Frequently asked questions

What are the temperatures in Olhão in October?

The average high-temperature and low-temperature during October are 22.2°C (72°F) and 18.3°C (64.9°F) respectively. The average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, in August is computed to be 28°C (82.4°F).

What is the average humidity in October in Olhão?

In Olhão, the average relative humidity in October is 71%.

How many days does it rain in October in Olhão?

In October, in Olhão, the rain falls for 5.8 days. Throughout October, 14mm (0.55") of precipitation is accumulated.

What is the sea water temperature in October in Olhão?

In October, the average sea temperature in Olhão, Portugal, is 21.3°C (70.3°F). For swimming, a surface water temperature of 21.3°C (70.3°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

What is the average length of the day in October in Olhão?

In Olhão, the average day length in October is 11h and 14min.

When is the sunrise / sunset in October in Olhão?

In October, on the first day of the month, sunrise is at 07:27 and sunset at 19:14 WEST. On the last day of the month, sunrise is at 06:55 and sunset at 17:34 WET.

When does Daylight Saving Time (DST) end in October in Olhão?

On Sunday, 27. October 2024, at 02:00, Daylight Saving Time ends in Olhão, 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 Olhão have in October?

In Olhão, Portugal, the average sunshine duration in October is 7.6h.

What is the UV index intensity in October in Olhão?

In Olhão, Portugal, the average daily maximum UV index in October is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.

Average temperature in October
Olhão, Portugal

Average temperature in October - Olhão, Portugal
  • Average high temperature in October: 22.2°C

The warmest month (with the highest average high temperature) is August (27.1°C).
The month with the lowest average high temperature is January (15.1°C).

  • Average low temperature in October: 18.3°C

The month with the highest average low temperature is August (20.8°C).
The coldest month (with the lowest average low temperature) is February (11.2°C).

Average pressure in October
Olhão, Portugal

Average pressure in October - Olhão, Portugal
  • Average pressure in October: 1016mbar

The month with the highest atmospheric pressure is December (1022.5mbar).
The months with the lowest atmospheric pressure are April and August (1015.4mbar).

Average wind speed in October
Olhão, Portugal

Average wind speed in October - Olhão, Portugal
  • Average wind speed in October: 14.3km/h

The windiest months (with the highest average wind speed) are February and March (19km/h).
The calmest month (with the lowest average wind speed) is September (12.7km/h).

Average humidity in October
Olhão, Portugal

Average humidity in October - Olhão, Portugal
  • Average humidity in October: 71%

The month with the highest relative humidity is April (74%).
The month with the lowest relative humidity is August (62%).

Average rainfall in October
Olhão, Portugal

Average rainfall in October - Olhão, Portugal
  • Average rainfall in October: 14mm

The wettest month (with the highest rainfall) is November (19mm).
The driest months (with the least rainfall) are June, July and August (1mm).

Average rainfall days in October
Olhão, Portugal

Average rainfall days in October - Olhão, Portugal
  • Average rainfall days in October: 5.8 days

The month with the highest number of rainy days is April (8.2 days).
The month with the least rainy days is August (0.8 days).

Average sea temperature in October
Olhão, Portugal

Average sea temperature in October - Olhão, Portugal
  • Average sea temperature in October: 21.3°C

The best month for swimming (with the highest average sea temperature) is August (22.1°C).
The coldest month (with the lowest average sea temperature) is March (15.9°C).

Average daylight in October /
Average sunshine in October
Olhão, Portugal

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

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in October: 7h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).

Average sunshine days in October
Olhão, Portugal

Average sunshine days in October - Olhão, Portugal
  • Average sunshine days in October: 24.3 days

The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is April (20.3 days).

Average UV index in October
Olhão, Portugal

Average UV index in October - Olhão, Portugal
  • Average UV index in October: 5

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

Average cloud cover in October
Olhão, Portugal

Average cloud cover in October - Olhão, Portugal
  • Average cloud cover in October: 21

The month with the most cloud cover is January (Cloud cover 30).
The month with the least cloud cover is July (Cloud cover 4).

Average visibility in October
Olhão, Portugal

Average visibility in October - Olhão, 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).

Olhão, Portugal

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