Sun, sea & sand

Portimão, Algarve weather in October

Temperature, sea and sunshine in October: long-term averages from 30 years of weather data, not a forecast.

66

Holiday weather in October

Good

Best time to visit: June – September

Air temperature24°CNight 16°
Sea temperature19.6°Cfresh
Sunshine8hrs / dayof 11.3 h daylight
Rainy days8days / month65 mm

What is the weather like in Portimão, Algarve in October?

In October, Portimão, Algarve is warm: daytime highs average 24 °C, and nights cool down to about 16 °C. The sea averages 19.6 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 8 hours a day. Rain falls on about 8 days, adding up to 65 mm. All in all, October is a good month for a holiday in Portimão, Algarve.

October compared

How the weather changes from September to November. Tap a month to open it.

SeptemberSepOctoberOctNovemberNov
Score856630
Day27°24°19°
Night18°16°12°
Sea20°20°18°
Sun10 h8 h7 h
Rain days389

More details for October

Daylight
11 h 18 min07:41 – 18:59
UV index
5 · moderateclear sky, noon (estimate)
Muggy days
1 daydew point 18 °C or more
Wind
20 km/haverage daily peak
Cloud cover
48 %on average
Hot days
1 day30 °C or more
Time zone
UTC+1Europe/Lisbon

How the score comes together

  • Temperatureweight 35 %77 %
  • Seaweight 25 %37 %
  • Sunshineweight 20 %80 %
  • Few rainy daysweight 20 %71 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in October

  • Wetsuit for longer swims
  • Sunscreen
  • A jumper for the evenings
  • Rain jacket or umbrella

Portimão, Algarve in October: quick answers

Is Portimão, Algarve hot in October?

Warm rather than hot: in October, daytime highs in Portimão, Algarve average 24 °C and nights cool to about 16 °C. On about 1 days the thermometer climbs to 30 °C or more.

Can you swim in Portimão, Algarve in October?

Only if you don't mind cold water: in October the sea averages just 19.6 °C. Comfortable swimming temperatures are not reached at any time of year.

Does it rain much in Portimão, Algarve in October?

Rain falls on about 8 days, adding up to 65 mm.

Portimão, Algarve month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)