The climate of the City of Industry is normally pleasant and mild through the year with temperatures seldom varying more than 25 degrees between winter and summer. The mean temperature for the city is 77 degrees. Most rainfall comes during the winter with nearly 85 percent of the annual total occurring from November through March, while summers are practically without rain. The normal average rainfall is 14.68 inches. The sun shines about 75 percent of daytime hours at the city's Civic Center.

Air pollution is generally of no greater intensity than throughout other areas of the Los Angeles Basin. The Los Angeles Air Pollution Control District reports that "...because the City of Industry does not have any heavy industry such as steel plants or foundries and does not have heavy concentrations of automotive traffic, concentrations of the emitted or source area contaminants...are relatively low in that area."