Gros Cailloux, in Black River, Mauritius, is home to roughly 3,400 people in the Indian/Mauritius time zone at 20.2°S latitude.
Recent weather here gives a sense of typical conditions: in 2025, Gros Cailloux recorded a mean annual temperature of 77°F, ranging from 60°F lows in July to 92°F highs in January, with about 32 inches of precipitation across the year.
View historical weather for Gros Cailloux · More cities in Black River