Grand Terrace, in California, United States, is home to roughly 12,500 people in the Pacific Time Zone at 34°N latitude.
In 2025, Grand Terrace averaged an annual temperature of 66°F, with hottest temperatures reaching 106°F in August and lowest around 35°F in January. The city received approximately 20 inches of precipitation during the year.
View historical weather for Grand Terrace · More cities in California