With a population of around 31,700, Tienen sits in Flanders, Belgium. The city operates in the Europe/Brussels time zone.
In 2025, Tienen recorded an average annual temperature of 53°F. The hottest temperatures reached 94°F in July; the coolest were 17°F in January. Total precipitation for the year was 27 inches, with the wettest month being January. Snowfall for the year totaled approximately 4 inches.
View current conditions and forecast for Tienen · More cities in Flanders