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Warmest sea in New Zealand in June

245 coastal locations in New Zealand ranked by their typical June sea temperature. Region-wide average in June: 15.1°C. The top of the list is where to find the warmest swimming this month.

Warmest in June

Fishing Rock

20.7°C June mean in New Zealand

Regional June average

15.1°C

across all 245 coastal locations in New Zealand

Vs annual mean

-1.2°C

below the year-round regional average

What the New Zealand sea feels like in June

At this temperature, water will feel cold compared to a swimming pool, but with a bit of experience and practice most people will find the water relatively comfortable to swim in.

New Zealand monthly average 13.6°C to 19.3°C
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  • Warmest month February 19.3°C
  • Coldest month August 13.6°C
  • Annual mean 16.3°C
  • Months above 20°C 0 of 12

Where June fits in the year

June sits inside the regional pattern shown on the left. Pick a different month to see how the ranking shifts.

All twelve New Zealand month rankings:

New Zealand sea temperature map (live)

The map shows today's latest reading at every New Zealand location. The list below is based on the typical June mean, useful for trip planning weeks or months ahead.

Zoom in to see individual locations. Click a pin for water temperatures. View list →
°C -2 0 1 3 5 7 9 11 13 15 17 19 21 24 27 30 35

Top 50 warmest New Zealand locations in June

Sorted by the typical June mean built from a decade of daily readings at each location. Click any place for its 30-day chart, monthly profile, and full 10-year history.

# Location June mean
1 Fishing Rock Sugar Loaf Islands 20.7°C
2 Bay of Islands 17.7°C
3 Coopers Beach 17.7°C
4 Whangamumu Harbour Northland 17.6°C
5 Kerikeri 17.6°C
6 Waiiti Bay Northland 17.6°C
7 North Cape (Otou) Northland 17.5°C
8 Burgess Island (Pokohinu) Auckland 17.5°C
9 Doves Bay Northland 17.5°C
10 Matapouri 17.5°C
11 Ngunguru 17.5°C
12 Opua Northland 17.5°C
13 Tutukaka 17.5°C
14 Paihia 17.5°C
15 Russell 17.5°C
16 Waitangi (Northland) 17.5°C
17 Waitangi 17.5°C
18 Manawatāwhi/Great Island - North West Bay Area Outside Territorial Authority 17.5°C
19 Bay of Plenty 17.4°C
20 Doubtless Bay 17.4°C
21 Karikari Peninsula 17.4°C
22 Taipa 17.4°C
23 Mangonui 17.4°C
24 Whangaroa Northland 17.4°C
25 Korotiti Bay Auckland 17.3°C
Show 25 more ▸
26 Nagle Cove Auckland 17.3°C
27 Lottin Point Gisborne 17.3°C
28 Whangarei 17.2°C
29 Marsden Point Northland 17.2°C
30 Portland Wharf Northland 17.2°C
31 Cape Reinga 17.2°C
32 Huruhi Harbour Waikato 17.1°C
33 Kotiatia Point Northland 17.1°C
34 Slipper Island (Whakahau) Waikato 17.1°C
35 Tapuaetahi Bay (Boat Harbour) Waikato 17.1°C
36 Cape Maria van Diemen Te Tai-tokerau 17.1°C
37 Kaitaia 17.1°C
38 Cathedral Cove 17.1°C
39 Hahei 17.1°C
40 Hot Water Beach 17.1°C
41 Pauanui 17.0°C
42 Tairua 17.0°C
43 Whangamata 17.0°C
44 Matakana River - Sandspit Auckland 17.0°C
45 Kohukohu Northland 17.0°C
46 Opononi Northland 17.0°C
47 Rawene Northland 17.0°C
48 Ruakaka 17.0°C
49 Ngatehe Point Northland 16.9°C
50 Houhora Harbour Entrance Northland 16.9°C

Coldest 10 in New Zealand in June

Same data the other way. Helpful if you want to know which New Zealand coasts to avoid for swimming in June.

# Location June mean
1 Campbell Island/Motu Ihupuku - Perseverance Harbour New Zealand Outlying Islands 8.1°C
2 Auckland Island - Carnley Harbour Auckland 9.4°C
3 Timaru 11.0°C
4 Dunedin 11.1°C
5 Portobello 11.1°C
6 Kaka Point 11.1°C
7 Sumner 11.4°C
8 Christchurch 11.4°C
9 Lyttelton 11.4°C
10 Akaroa 11.5°C

More on this region