El Rosario, in Oaxaca, Mexico, is home to roughly 11,700 people in the Central Time Zone at 17°N latitude.
Recent weather here gives a sense of typical conditions: in 2025, El Rosario recorded a mean annual temperature of 68°F, ranging from 46°F lows in April to 94°F highs in May, with about 39 inches of precipitation across the year.
View historical weather for El Rosario · More cities in Oaxaca