With a population of around 3,800, Sao Mateus sits in Azores, Portugal. The city operates in the Atlantic/Azores time zone.
In 2025, Sao Mateus averaged an annual temperature of 63°F, with hottest temperatures reaching 81°F in August and lowest around 45°F in February. The city received approximately 76 inches of precipitation during the year.
View historical weather for Sao Mateus · More cities in Azores