Water temperature in Castaway Island in June

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Is it warm enough to swim in Castaway Island in June? Average water temperature in Castaway Island in June is 27.5°C and therefore suitable for comfortable swimming. The warmest sea in Castaway Island in June is 28.7°C, and the coldest is 25.6°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Castaway Island

Changes water temperature in Castaway Island in June 2025, 2024

To get an accurate forecast for the water temperature in Castaway Island for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Castaway Island, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of June.

Sea temperature

Tides

Weather forecast

You can choose any other years:

Day	2025	2024	Min	Max
1 June	28.6°C	27.9°C	26.6°C	28.6°C
2 June	28.5°C	27.8°C	26.6°C	28.7°C
3 June	28.4°C	27.8°C	26.8°C	28.6°C
4 June	28.3°C	28°C	26.4°C	28.4°C
5 June	28.3°C	27.7°C	26.4°C	28.7°C
6 June	28.2°C	27.8°C	26.4°C	28.4°C
7 June	28.1°C	27.7°C	26.3°C	28.3°C
8 June	28.2°C	27.6°C	26.3°C	28.4°C
9 June	28°C	27.7°C	26.6°C	28.5°C
10 June	28.3°C	27.5°C	26.5°C	28.6°C
11 June	28.3°C	27.5°C	26.3°C	28.5°C
12 June	28°C	27.8°C	26.5°C	28.2°C
13 June	28.1°C	27.7°C	26.5°C	28.2°C
14 June	28.1°C	27.8°C	26.5°C	28.2°C
15 June	27.9°C	27.8°C	26.5°C	28.1°C

Day	2025	2024	Min	Max
16 June	27.9°C	27.7°C	26.5°C	28.1°C
17 June	27.7°C	27.9°C	26.7°C	28°C
18 June	27.7°C	28.1°C	26.3°C	28.1°C
19 June	27.6°C	27.9°C	26.9°C	28.6°C
20 June	27.4°C	27.8°C	25.6°C	28.2°C
21 June	27.3°C	27.6°C	26.4°C	28.2°C
22 June		27.5°C	26.6°C	28.2°C
23 June	27.4°C	27.4°C	26.5°C	28.2°C
24 June	27.5°C	27.3°C	26.4°C	28.1°C
25 June	27.4°C	27.6°C	26.4°C	28.2°C
26 June	27.5°C	27.5°C	26°C	28.2°C
27 June	27.3°C	27.4°C	26.1°C	28.3°C
28 June	27.3°C	27.4°C	26.1°C	28.2°C
29 June	27.2°C	27.4°C	26.1°C	28.1°C
30 June	27.3°C	27.3°C	26°C	27.9°C

Castaway Island water temp chart in June

Average water temperature in Castaway Island in June over a decade

2016	2017	2018	2019	2020
27.4°C	27.9°C	27.2°C	27.4°C	28.1°C

2021	2022	2023	2024	2025
27.5°C	27.9°C	27.7°C	27.7°C	27.9°C

Castaway Island water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Temperature in neighboring cities

The nearest locations with the average water temperature in June. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

	Avr	Min	Max
Beqa	26.7°C	25°C	28.1°C
Suva	26.5°C	24.8°C	27.8°C
Levuka	26.7°C	25°C	27.9°C
Savusavu	27°C	25.4°C	28.4°C
Taveuni	27.1°C	25.4°C	28.4°C
Mystery Island	25.3°C	24°C	26.8°C
Isangel	25.7°C	24.4°C	27.5°C
Mata Utu	28.9°C	27.8°C	30.1°C
Tongatapu	25.2°C	23.5°C	26.4°C
Nukualofa	25.2°C	23.5°C	26.4°C

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Our report for Castaway Island is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

Region

Date (day and month)

Water temperature: min 16°C

Average temperature Maximum temperature