About Saint Johns, Saint John Parish

With a population of around 51,700, Saint Johns sits in Saint John Parish, AG. The city operates in the America/Antigua time zone.

Recent weather here gives a sense of typical conditions: in 2025, Saint Johns recorded a mean annual temperature of 81°F, ranging from 72°F lows in December to 90°F highs in August, with about 34 inches of precipitation across the year.