Climate Insights for Setúbal

The climate in Setúbal is temperate. The average annual temperature is 17°C and approximately 482mm of precipitation falls per year. March is the wettest month, receiving around 73mm of rainfall. Setúbal is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are January, February, March, when temperatures can drop to 11°C.

Setúbal sees moderate temperature variation throughout the year, ranging from 11°C to 25°C. The warmest month is August, when average highs reach 25°C and the mean temperature sits around 22°C. January is the coolest month, with minimum temperatures around 11°C and an average of 13°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows. The sharpest temperature change occurs between October and November, with a 3°C shift in average temperatures.

Setúbal is a relatively dry area, receiving approximately 482mm of precipitation annually, which averages out to around 40mm per month. The wettest month is March, averaging 73mm of rainfall. November and December also tend to see above-average precipitation. The driest month is August, with just 1mm. That's 72mm less than March, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Setúbal is mildly breezy, with an average annual wind speed of 17km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is March, averaging 18km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 15km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months.

It is currently autumn in Setúbal, which began on September 23, 2026. Setúbal is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 25°C, while the coldest stretch bottoms out in January near 11°C. Winter is next, beginning on December 21, 2026 (87 days from now).

The best time to visit Setúbal is during April, May, June, July, August, September, October and November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 30mm per month. By contrast, January can be quite cold with temperatures dropping to 11°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Setúbal based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.