Portimão Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Portimão.
Climate overview of Portimão
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, with warm summers and mild winters. 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.
Portimão Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Portimão - and find the best time to visit.
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
Best Time to Visit Portimão
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: April, May, June, July, August, September and October
- Warmest weather: July and August
- Most sunshine: July
- Fewest rainy days: June, July, August and September
- Seasonal pattern: A distinct dry season from May to September, with warm summers and mild winters
Frequently asked questions about the climate in Portimão
What is the best time to visit Portimão?
April, May, June, July, August, September and October typically offer the most optimal weather in Portimão. In contrast, January, February and December tend to have less optimal conditions. Portimão has a distinct dry season from May to September, with warm summers and mild winters.
What temperatures can I expect in Portimão?
Daytime highs range from 16°C (61°F) in January to 28°C (82°F) in August. Nighttime lows range from 9°C (48°F) to 19°C (66°F). Temperatures vary considerably through the year.
How much rain does Portimão get?
Annual rainfall is around 499 mm (20 in). December is the wettest month with 82 mm (3.2 in), while July is the driest with 1.4 mm (0.1 in).
How sunny is Portimão?
Portimão receives around 3,023 hours of sunshine per year. July is the sunniest month with 381 hours, while January is the cloudiest with just 156 hours. Overall, Portimão enjoys abundant sunshine.
Portimão 3-Day Forecast
Portimão on the map
Portimão is highlighted - select any city to see its climate.
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