December Temperatures in New Zealand

Average temperatures for December at cities, towns, beaches and islands throughout New Zealand are listed below.

Separate lists for the North, South and outlying islands give the month's maximum and minimum temperatures, in degrees Celsius and Fahrenheit, based on weather data collected from 1991 to 2020.

North Island

Average December temperatures
High °F	Low °F	Place	High °C	Low °C
72	59	Auckland	22	15
68	58	Cape Reinga	20	15
74	56	Gisborne	23	13
72	58	Great Barrier Island	22	15
73	53	Hamilton	23	12
71	56	Kaikohe	21	13
71	57	Kaitaia	22	14
73	55	Kerikeri	23	13
73	52	Masterton	23	11
73	55	Napier	23	13
68	55	New Plymouth	20	13
70	54	Palmerston North	21	12
69	53	Rotorua	21	12
70	51	Taupo	21	11
73	57	Tauranga	23	14
73	56	Thames	23	14
72	56	Waiheke Island	22	14
66	54	Wellington	19	12
61	42	Whakapapa Village, Tongariro	16	6
69	55	Whanganui	21	13
71	58	Whangaparaoa	22	15
73	58	Whangarei	23	15
72	56	Whitianga	22	13

South Island

Average daily temperatures in December
High °F	Low °F	Place	High °C	Low °C
70	52	Akaroa	21	11
62	45	Arthur's Pass	17	7
71	53	Blenheim	22	12
71	52	Christchurch	21	11
64	51	Dunedin	18	10
69	56	Farewell Spit	20	13
65	49	Franz Josef	18	9
64	53	Greymouth	18	11
64	47	Invercargill	18	8
66	53	Kaikoura	19	12
66	46	Lake Rotoiti	19	8
68	44	Lake Tekapo	20	7
67	45	Manapouri	19	7
65	49	Milford Sound	19	10
65	45	Mt Cook	19	7
70	55	Nelson	21	13
71	49	Queenstown	22	10
62	51	Secretary Island	17	10
65	50	Timaru	19	10
66	53	Westport	19	12

Other Islands

Temperatures averages for December
High °F	Low °F	Place	High °C	Low °C
53	45	Auckland Islands	12	7
53	44	Campbell Island	12	6
64	52	Chatham Island	18	11
75	65	Raoul Island	24	18
62	48	Stewart Island, Oban	17	9

Average Temperatures in December for New Zealand

North Island

South Island

Other Islands

Reference

More on Weather in New Zealand