With a population of around 16,100, Vialonga sits in Lisbon, Portugal. The city operates in the Europe/Lisbon time zone.
In 2025, Vialonga averaged an annual temperature of 63°F, with hottest temperatures reaching 100°F in June and lowest around 40°F in December. The city received approximately 38 inches of precipitation during the year.
View historical weather for Vialonga · More cities in Lisbon