Portimão Weather & Climate: Best Time to Visit

Temperatures in Portimão, Algarve, Portugal, vary greatly throughout the year. August is the hottest month at 28°C (82°F), while January is the coldest at 16°C (61°F).

The city has a relatively dry climate, receiving around 499 mm (20 in) of rainfall per year. It does experience a distinct dry season from May to September. December is the wettest month and July the driest. Sunshine peaks in July, when the city sees around 12.7 hours of sunshine per day.

Monthly Temperature in Portimão

The climate in Portimão is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a comfortable 28°C (82°F) in August to a moderate 16°C (61°F) in January.

Nighttime temperatures range from 19°C (66°F) in August to 9°C (48°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Portimão

Portimão has a relatively dry climate with low precipitation, averaging 499 mm (20 in) of rainfall annually. The seasons in Portimão bring significant changes in precipitation. The wettest month, December, receives moderate rainfall, with an average of 82 mm (3.2 in) of precipitation. This rainfall is distributed across 11 rainy days.

In contrast, the driest month, July, experiences much less rainfall, totaling 1.4 mm (0.1 in) over a single rainy day. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Portimão Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Sunshine Hours in Portimão

In Portimão, summer days are longer and more sunny, with daily sunshine hours peaking at 12.7 hours in July. As the darker season arrives, the brightness of the sun becomes less. January sees a soft sun for only 5.2 hours per average day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Portimão 3-Day Forecast

10-Day Forecast

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Check the conditions for any month of the year.

Best Time to Visit Portimão

Portimão's weather is most enjoyable during April, May, June, September, October and November, with comfortable temperatures from 19°C (67°F) to 26°C (79°F). The moderate conditions ensure pleasant weather for exploring the area. Expect varied weather during this period with rainfall between 8 mm (0.3 in) and 68 mm (2.7 in), providing a good balance of sunny and rainy days.

Seeking the perfect travel destination for this year? We've created a tool that suggests locations matching your desired weather. Let our weather planner guide your travel decisions.