Average July Rainfall for New Zealand

The tables below list monthly averages for rainfall during July 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 July
Days	Place	Inches	Millimetres
15	Auckland	5.4	137
16	Cape Reinga	5.5	141
12	Gisborne	5.1	128
16	Great Barrier Island	9.7	246
13	Hamilton	4.9	124
17	Kaikohe	8.8	222
16	Kaitaia	6.6	168
16	Kerikeri	8.9	227
12	Masterton	4.5	114
9	Napier	3.8	97
15	New Plymouth	5.6	141
12	Palmerston North	3.4	88
11	Rotorua	5.4	137
11	Taupo	3.9	100
12	Tauranga	5.3	133
14	Thames	5.9	151
15	Waiheke Island	6.0	154
13	Wellington	5.8	147
16	Whakapapa Village, Tongariro	11.0	280
15	Whangaparaoa	3.9	100
15	Whangarei	6.8	174
15	Whitianga	9.1	230
12	Whanganui	3.3	84

South Island

July averages for total rainfall
Days	Place	Inches	Millimetres
11	Akaroa	4.7	121
13	Arthur's Pass	12.9	328
7	Blenheim	2.5	64
8	Christchurch	2.5	64
8	Dunedin	2.0	52
12	Farewell Spit	4.0	102
13	Franz Josef	12.5	318
14	Greymouth	7.7	197
13	Invercargill	2.9	73
8	Kaikoura	3.4	87
9	Lake Rotoiti	4.1	104
6	Lake Tekapo	2.0	50
12	Manapouri	3.7	94
15	Milford Sound	18.4	468
13	Mt Cook	11.4	289
8	Nelson	3.1	79
8	Queenstown	2.9	73
18	Secretary Island	10.1	256
5	Timaru	1.7	42
14	Westport	6.7	170

Other Islands

Rainfall averages for July
Days	Place	Inches	Millimetres
16	Auckland Islands	3.0	76
23	Campbell Island	4.5	115
15	Chatham Island	2.8	72
14	Raoul Island	4.7	120
17	Stewart Island, Oban	5.1	131

Average July Rainfall for New Zealand

North Island

South Island

Other Islands

Reference

More on Weather in New Zealand