Average December Rainfall for New Zealand





The tables below list monthly averages for rainfall during December at cities and towns around New Zealand.

You can jump to a separate table for places on the North Island and South Island.

Each place has a total for how many days of wet weather it usually gets a year and for the normal amount of precipitation. The calculation of days only includes the days when rain totalled at least one millimetre (0.04 inches).

The month's precipitation statistics are long-term historical averages of weather data collected during 1981 to 2010.

North Island

Average monthly precipitation in December
Days Place Inches Milli­metres
9 Auckland 3.7 93
7 Gisborne 2.2 56
11 Hamilton 4.0 101
10 Kaitaia 3.9 100
10 Masterton 2.8 71
7 Napier 2.1 54
10 New Plymouth 4.5 113
11 Palmerston North 3.4 88
10 Rotorua 4.5 114
9 Taupo 3.7 94
8 Tauranga 3.6 90
10 Wanganui 3.4 86
9 Wellington 3.3 84
9 Whangarei 3.8 96

South Island

December averages for total rainfall
Days Place Inches Milli­metres
8 Alexandra 1.8 45
7 Blenheim 2.3 58
7 Christchurch 1.9 50
12 Dunedin 3.2 80
17 Hokitika 11.7 297
14 Invercargill 4.1 105
7 Kaikoura 1.8 45
7 Lake Tekapo 2.1 52
12 Manapouri - Te Anau 4.1 105
18 Milford Sound 27.6 700
16 Mt Cook, Hermitage 19.2 487
9 Nelson 3.3 84
10 Queenstown 3.0 75
8 Timaru 2.1 53
16 Westport 8.0 203
Reference

NIWA (National Institute of Water and Atmospheric Research). Climate Data and Activities.

New Zealand Rainfall
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