With a population of around 26,200, Arlon sits in Wallonia, Belgium. The city operates in the Europe/Brussels time zone.
In 2025, Arlon recorded an average annual temperature of 51°F. The hottest temperatures reached 93°F in July; the coolest were 20°F in November. Total precipitation for the year was 35 inches, with the wettest month being September. Snowfall for the year totaled approximately 3 inches.
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