About Castro Marim, Faro

With a population of around 5,100, Castro Marim sits in Faro, Portugal. The city operates in the Europe/Lisbon time zone.

In 2025, Castro Marim averaged an annual temperature of 65°F, with hottest temperatures reaching 99°F in August and lowest around 40°F in January. The city received approximately 30 inches of precipitation during the year.