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Portimão Weather and Climate: A Comprehensive Guide

Portimão experiences great temperature shifts. The city's weather can transition from warm days to mild weather. It maintains relatively low levels of precipitation throughout the seasons. Let’s explore the climate details in depth to provide you with a complete overview.

Average maximum day and minimum night temperature

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 in August to a moderate 16°C in January.

Nighttime temperatures can drop, with average lows reaching 9°C in January. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Portimão has a relatively dry climate with low precipitation, averaging 499 mm 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 of precipitation. This rainfall is distributed across 11 rainy days.

In contrast, the driest month, July, experiences much less rainfall, totaling 1.4 mm 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

Sunshine over the year

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

Forecast for Portimão

Wed   Jan 15
15°C | 4°C
NE 3 m/s
clear and no rain

clear and no rain

Thu   Jan 16
16°C | 2°C
NW 4 m/s
clear and no rain

clear and no rain

Fri   Jan 17
16°C | 4°C
E 5 m/s
clear and no rain

clear and no rain

Select a Month of Interest

Check the conditions for any month of the year.

The best time of year to visit Portimão in Portugal

During the months of May, June and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • When is summer in Portimão?
    The hottest season / summer takes place in June, July, August and September.
  • Does Portimão have a dry season?
    Yes, the months of June, July and August are very dry.
  • Which is the warmest month in Portimão?
    August has an average maximum temperature of 28°C and is the warmest month of the year.
  • Which is the coldest month in Portimão?
    The coldest month is January with an average maximum temperature of 16°C.
  • Which is the wettest month in Portimão?
    December tops the wettest month list with 82 mm of rainfall.
  • Which is the driest month in Portimão?
    July is the driest month with 1 mm of precipitation.
  • Which is the sunniest month in Portimão?
    July is the sunniest month with an average of 381 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.