Average May Rainfall for New Zealand





The tables below list monthly averages for rainfall during May 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 May
Days Place Inches Milli­metres
12 Auckland 4.4 113
10 Gisborne 4.0 101
11 Hamilton 3.9 100
13 Kaitaia 5.2 132
11 Masterton 3.7 94
8 Napier 2.9 75
12 New Plymouth 3.8 97
10 Palmerston North 2.8 72
10 Rotorua 4.6 117
9 Taupo 2.9 75
9 Tauranga 4.2 106
10 Wanganui 3.1 80
11 Wellington 4.4 113
13 Whangarei 4.4 111

South Island

May averages for total rainfall
Days Place Inches Milli­metres
7 Alexandra 1.1 27
7 Blenheim 2.4 61
8 Christchurch 2.5 64
10 Dunedin 2.5 65
15 Hokitika 9.3 237
15 Invercargill 4.5 114
7 Kaikoura 2.2 57
7 Lake Tekapo 2.2 57
12 Manapouri - Te Anau 4.0 101
16 Milford Sound 23.5 597
13 Mt Cook, Hermitage 14.1 357
7 Nelson 3.2 82
9 Queenstown 2.7 69
6 Timaru 1.8 47
15 Westport 6.9 174
Reference

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

New Zealand Rainfall
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