Only 2.2 overs were bowled at Mount Maunganui before a downpour forced players from the field with the West Indies on 25 for one after losing the toss and being asked to bat.
The umpires finally called off the fixture two hours later with no sign of a break in the weather.
All done at @BayOvalOfficial. Still raining and not enough time to get a game in. Captains shake hands with a damp… https://t.co/D8pSk8f4tk
— BLACKCAPS (@BLACKCAPS) 1606724520000
New Zealand won the first T20 by five wickets and the second by 72 runs against a West Indies outfit that only emerged from Covid-19 quarantine on Thursday.
Paceman Lockie Ferguson was named man of the series after taking five for 21 in the opening fixture, plus one wicket apiece in the second and third matches.
The first of two Tests between the sides begins in Hamilton on Thursday.