About Mountain Brook, AL

With a population of around 20,700, Mountain Brook sits in Alabama, United States. The city operates in the Central Time Zone.

Across a typical year Mountain Brook sees about 57 inches of precipitation and 1 inches of snow, with March the wettest month and October the driest. Temperatures range from January lows near 35°F up to July highs around 91°F, averaging 64°F annually — characteristic of a humid subtropical climate.