How much does a Refinery Operator Trainee make in Missouri?
As of April 01, 2026, the average salary for a Refinery Operator Trainee in Missouri is $38,159 per year, which breaks down to an hourly rate of $18.
However, a Refinery Operator Trainee's salary can vary significantly. Here’s a look at the typical salary range:
- Top Earners (90th percentile): $43,724
- Majority Range (25th-75th percentile): $34,830 to $41,072
- Entry-Level (10th percentile): $31,798