Average Temperatures in December for 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
Reference

NIWA (New Zealand National Institute of Water and Atmospheric Research). The National Climate Database.

New Zealand Temperatures
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