Seixal Weather & Climate: Best Time to Visit
Seixal, Portugal, has a moderate seasonal temperature range, with August reaching 25°C (77°F) and February cooling to 17°C (63°F).
Seixal sees a moderate amount of rainfall, totalling around 586 mm (23 in) per year. It experiences a distinct dry season from May to September, creating some seasonal variation. The most sunshine falls in August, with an average of 7.9 hours of daily sunshine.
Monthly Temperature in Seixal
The climate in Seixal experiences moderate temperature changes, with mild shifts between seasons. Average maximum daytime temperatures range from a comfortable 25°C (77°F) in August, the warmest time of the year, to a moderate 17°C (63°F) during cooler months like February.
At night, you can expect temperatures ranging from 20°C (68°F) in August to around 14°C (57°F) during February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Seixal
Generally, Seixal experiences moderate precipitation patterns, averaging 586 mm (23 in) yearly. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, December it receives moderate rainfall, averaging 92 mm (3.6 in) of precipitation, recorded across 12 rainy days. In contrast, the driest month July brings less rainfall, with 7.7 mm (0.3 in) over 3 rainy days. For more details, please visit our Seixal Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
Sunshine Hours in Seixal
While the amount of sunshine in Seixal varies throughout the year, all seasons offer their own charm. Enjoy up to 7.9 hours of daily sun in August, and experience slightly darker atmosphere in December, with about 5.1 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Seixal by Month
The relative humidity is high throughout the year in Seixal.
The city experiences its highest humidity in June, reaching 73%. In March, the humidity drops to its lowest level at 68%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Seixal 3-Day Forecast
Check the conditions for any month of the year.
Best Time to Visit Seixal
During May, June, July, August, September, October and November, Seixal experiences its most favorable weather, with temperatures between 20°C (67°F) and 25°C (76°F). These mild conditions make it an excellent time for a visit.The weather does bring rainfall during this period, between 8 mm (0.3 in) and 78 mm (3.1 in). Looking for inspiration on where to travel this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.