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Avarua Sea Temperature in October

Cook Islands

September Avarua year-round → November

Average sea temperature for Avarua, Cook Islands across October, based on 10 years of daily readings.

Average

25.17° C

High

26.85° C

Low

24.15° 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.

October is the 10th warmest of 12 months at Avarua. On average the water sits 1.3° than the year-round mean of 26.43° C.

Compared to September, October is 0.2° about the same as (24.98° C in September). By November the water is usually 25.52° C.

Avarua Day-by-Day Water Temperature in October

10-year low, average and high

23.5° C
24.5° C
25.5° C
26.5° C
27.5° C
1
5
10
15
20
25
31
Day-by-day low and high band with the 10-year daily average through October. Range Average

Each vertical bar above is one day of October. 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 Avarua.

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.

October Water Temperature Table for Avarua

10-year daily averages

Day Average Low High
October 1 25.06° C 24.33° C 26.22° C
October 2 25.13° C 24.31° C 26.31° C
October 3 25.12° C 24.4° C 26.59° C
October 4 25.12° C 24.38° C 26.85° C
October 5 25.07° C 24.38° C 26.73° C
October 6 24.99° C 24.39° C 26.43° C
October 7 25.03° C 24.43° C 26.63° C
October 8 25.15° C 24.46° C 26.59° C
October 9 25.22° C 24.53° C 26.23° C
October 10 25.18° C 24.46° C 26.29° C
October 11 25.08° C 24.39° C 26.11° C
October 12 25.03° C 24.39° C 26.09° C
October 13 25.12° C 24.48° C 26.23° C
October 14 25.22° C 24.59° C 26.36° C
October 15 25.29° C 24.52° C 26.18° C
October 16 25.28° C 24.37° C 26.52° C
October 17 25.35° C 24.49° C 26.79° C
October 18 25.29° C 24.59° C 26.42° C
October 19 25.24° C 24.75° C 26.16° C
October 20 25.26° C 24.47° C 26.27° C
October 21 25.25° C 24.37° C 26.11° C
October 22 25.23° C 24.21° C 26.27° C
October 23 25.24° C 24.25° C 26.22° C
October 24 25.21° C 24.3° C 26.13° C
October 25 25.17° C 24.25° C 26.11° C
October 26 25.21° C 24.32° C 26.34° C
October 27 25.19° C 24.28° C 26.32° C
October 28 25.14° C 24.31° C 26.03° C
October 29 25.05° C 24.22° C 25.89° C
October 30 25.06° C 24.15° C 26.01° C
October 31 25.18° C 24.6° C 26.07° C

Where October Sits in the Year

October highlighted

22.5° C
24.6° C
26.8° C
28.9° C
31.0° C
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
27.6° C
28.11° C
28.45° C
27.93° C
26.85° C
25.88° C
25.27° C
24.77° C
24.98° C
25.17° C
25.52° C
26.69° C
10-year monthly history for Avarua. Bars span historical low to high; the line marks the monthly average. Range Average
January → February → March → April → May → June → July → August → September → October → November → December →

Nearby Locations in October

Compare other Cook Islands water for the same month

Avarua Location

-21.2129, -159.7823

-21.21290, -159.78231 View on OpenStreetMap →

Avarua sits at -21.2129°N, 159.7823°W, on the coast of 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 Avarua