The average biologist salary at San Diego was $127,398 , which is 11 percent lower than the average salary for this job in California, but 107 percent higher than the national average for this job . Biologist salaries at San Diego typically range from $102,543 to $158,518 (25th to 75th percentile). The highest reported biologist salary was $188,475. There are 25 employees at San Diego with the job title biologist.