Tauranga, which clocked the most sunshine hours of the main centres, followed Auckland closely with an average temperature of 17.7C.
In the South Island, Christchurch and Dunedin experienced a relatively mild month compared to previous years.
Rainfall in the Garden City was 42 per cent lower than normal, and the city's average temperature of 14C was above the November norm. It was also the cloudiest of the six main centres. Dunedin had its driest November on record, with the lowest rainfall total in nearly 100 years.
At the other end of the scale, Wellington had the most rain of the six main centres, recording 94mm for the month. Hamilton came in second with 74mm.
Weather for the rest of this month was expected to be near normal levels, Niwa said.
Temperatures and rainfall for most of the country were expected to be at average or above average levels in comparison to previous years.
November extremes
*Auckland's average temperature: 17.8C
*Auckland's highest temperature: 26.8C recorded on November 23
*Highest temperature overall: 30.3C, at Clyde on November 19
*Lowest temperature overall: -2.4C, at Hanmer Forest on November 1