Casillas, in Santa Rosa Department, Guatemala, is home to roughly 7,700 people in the America/Guatemala time zone at 14.4°N latitude.
In 2025, Casillas averaged an annual temperature of 71°F, with hottest temperatures reaching 93°F in April and lowest around 54°F in January. The city received approximately 77 inches of precipitation during the year.
View historical weather for Casillas · More cities in Santa Rosa Department