Average October Rainfall for New Zealand

The tables below list monthly averages for rainfall during October at cities, towns, beaches and islands throughout New Zealand.

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 1991 to 2020.

North Island

Average monthly precipitation in October
Days	Place	Inches	Millimetres
12	Auckland	3.6	92
9	Cape Reinga	2.5	63
7	Gisborne	2.7	68
9	Great Barrier Island	3.9	100
11	Hamilton	3.4	86
12	Kaikohe	3.7	94
10	Kaitaia	3.6	90
11	Kerikeri	4.6	117
11	Masterton	3.2	82
7	Napier	2.4	61
13	New Plymouth	5.0	127
12	Palmerston North	3.8	96
11	Rotorua	3.7	93
10	Taupo	2.9	74
10	Tauranga	3.2	80
10	Thames	3.2	81
11	Waiheke Island	3.6	92
12	Wellington	4.7	119
18	Whakapapa Village, Tongariro	10.9	277
10	Whangaparaoa	2.9	73
10	Whangarei	3.0	77
11	Whitianga	4.8	121
11	Whanganui	3.6	91

South Island

October averages for total rainfall
Days	Place	Inches	Millimetres
9	Akaroa	2.8	71
17	Arthur's Pass	19.3	489
7	Blenheim	2.3	57
7	Christchurch	1.8	46
11	Dunedin	2.4	60
11	Farewell Spit	3.9	100
18	Franz Josef	23.4	594
18	Greymouth	8.9	227
15	Invercargill	4.2	107
8	Kaikoura	2.5	64
15	Lake Rotoiti	6.6	168
8	Lake Tekapo	1.8	45
13	Manapouri	4.4	113
19	Milford Sound	24.3	617
16	Mt Cook	15.5	394
9	Nelson	3.5	89
9	Queenstown	3.3	83
22	Secretary Island	14.6	370
8	Timaru	1.9	48
18	Westport	8.0	202

Other Islands

Rainfall averages for October
Days	Place	Inches	Millimetres
19	Auckland Islands	3.5	90
22	Campbell Island	4.5	114
11	Chatham Island	2.2	56
9	Raoul Island	2.8	70
18	Stewart Island, Oban	5.8	147

Average October Rainfall for New Zealand

North Island

South Island

Other Islands

Reference

More on Weather in New Zealand