Average adjectives are listed in this post. Each word below can often be found in front of the noun average in the same sentence. This reference page can help answer the question what are some adjectives commonly used for describing AVERAGE.
above, actual, american, annual, approximate, arithmetic, arithmetical, below, best, better, certain, common, corresponding
current, daily, day, divine, english, ensemble, eu, european, fair, final, full, general, geometric
global, good, grade, grand, high, higher, highest, historical, industrial, international, large, low, lower
lowest, mathematical, mean, minimum, month, monthly, national, new, normal, on, only, ordinary, overall
particular, point, present, pretty, previous, reasonable, regional, rough, run, same, simple, spatial, statewide
statistical, term, total, true, unweighted, usual, weekly, weighted, wide, worldwide, year, yearly
Hope this word list had the adjective used with average you were looking for. Additional describing words / adjectives that describe / adjectives of various nouns can be found in the other pages on this website.