Union Hidalgo is a city of approximately 13,700 people in Oaxaca, Mexico. Located in the Central Time Zone at 16.5°N latitude.
In 2025, Union Hidalgo recorded an average annual temperature of 80°F. The hottest temperatures reached 101°F in May; the coolest were 59°F in January. Total precipitation for the year was 43 inches, with the wettest month being June.
View current conditions and forecast for Union Hidalgo · More cities in Oaxaca