Rarotonga (Avarua Harbour) Sea Temperature in July
Avarua, Cook Islands
Average sea temperature for Rarotonga (Avarua Harbour), Cook Islands across July, based on 10 years of daily readings.
Average
25.18° C
High
26.49° C
Low
23.99° C
This water temperature is comparable to that of a swimming pool, but it might be higher than most open water swimmers prefer for serious swimming. Make sure to drink plenty of water before and after swimming and don't wear a wetsuit to avoid overheating.
July is the 9th warmest of 12 months at Rarotonga (Avarua Harbour). On average the water sits 1.1° than the year-round mean of 26.3° C.
Compared to June, July is 0.7° cooler than (25.89° C in June). By August the water is usually 24.61° C.
Rarotonga (Avarua Harbour) Day-by-Day Water Temperature in July
10-year low, average and high
Each vertical bar above is one day of July. The shaded band covers the range the water has reached on that day across the last 10 years — the lowest reading at the bottom, the highest at the top. The line running through the bars is the daily average over those 10 years, so you can see the typical shape of the month at Rarotonga (Avarua Harbour).
A narrow band means the temperature on that day has stayed close to the average year on year. A taller band means it has swung more, often because of changeable weather around that time of year. Hovering a day pulls up its low, average, and high.
July Water Temperature Table for Rarotonga (Avarua Harbour)
10-year daily averages
| Day | Average | Low | High |
|---|---|---|---|
| July 1 | 25.66° C | 24.84° C | 26.49° C |
| July 2 | 25.61° C | 24.65° C | 26.41° C |
| July 3 | 25.54° C | 24.42° C | 26.44° C |
| July 4 | 25.49° C | 24.36° C | 26.39° C |
| July 5 | 25.45° C | 24.26° C | 26.34° C |
| July 6 | 25.43° C | 24.22° C | 26.27° C |
| July 7 | 25.41° C | 24.19° C | 26.2° C |
| July 8 | 25.36° C | 24.19° C | 26.13° C |
| July 9 | 25.37° C | 24.13° C | 26.05° C |
| July 10 | 25.34° C | 24.05° C | 26.05° C |
| July 11 | 25.33° C | 24.06° C | 26.03° C |
| July 12 | 25.32° C | 24.14° C | 25.96° C |
| July 13 | 25.28° C | 24.26° C | 25.89° C |
| July 14 | 25.24° C | 24.36° C | 25.77° C |
| July 15 | 25.22° C | 24.36° C | 25.8° C |
| July 16 | 25.15° C | 24.27° C | 25.74° C |
| July 17 | 25.15° C | 24.4° C | 25.77° C |
| July 18 | 25.13° C | 24.61° C | 25.63° C |
| July 19 | 25.12° C | 24.7° C | 25.6° C |
| July 20 | 25.03° C | 24.44° C | 25.54° C |
| July 21 | 25.05° C | 24.3° C | 25.55° C |
| July 22 | 25° C | 24.34° C | 25.51° C |
| July 23 | 25.02° C | 24.45° C | 25.55° C |
| July 24 | 25.01° C | 24.37° C | 25.56° C |
| July 25 | 24.98° C | 24.28° C | 25.58° C |
| July 26 | 24.97° C | 24.16° C | 25.58° C |
| July 27 | 24.95° C | 24.21° C | 25.66° C |
| July 28 | 24.87° C | 24.16° C | 25.68° C |
| July 29 | 24.84° C | 24.02° C | 25.61° C |
| July 30 | 24.81° C | 23.99° C | 25.72° C |
| July 31 | 24.84° C | 24.09° C | 25.76° C |
Where July Sits in the Year
July highlighted
Nearby Locations in July
Compare other Cook Islands water for the same month
Rarotonga (Avarua Harbour) Location
-21.2000, -159.7833
Rarotonga (Avarua Harbour) sits at -21.2000°N, 159.7833°W, on the coast of Avarua, Cook Islands. The marker on the map shows the spot the readings on this page come from. It usually sits a short distance from the town centre, out on the open water itself, so the numbers stay tied to the coast rather than a generic point inland.
Coastlines bend, headlands focus the water, and the temperature can run noticeably differently between two beaches that look close together on a map. Comparing nearby locations is a quick way to see how local geography is shaping the readings.
Nearest locations to Rarotonga (Avarua Harbour)