A particularly mild day in November was the only record-breaking day last year, according to Niwa's annual climate summary.
Rotorua only managed to break the one record in 2015, with November 28 recording the highest minimum temperature for a November day since records began in 1972.
The day recorded a minimum temperature of 17C.
The rainfall recorded at Rotorua Aeroclub was 1063mm for the year while the mean temperature was 12.8C.
Further south, Turangi broke a number of its records last year - including being the sunniest year on record.