Measurements:
°C
°F
Avarua 
76°F
W 10 mph
Feels like: 80°F
Precip: 24%
World Resorts Cook Islands Avarua  Weather

Avarua  Sea Water Temperature

Current Sea Water Temperature:
+77.8°F
Maximum Sea Water Temperature in September: 82.6°F
Minimum Sea Water Temperature in September: 75.4°F
Average water temperature in September: 79.1°F

Sea Water Temperature for the Last 10 Days:

September 08 77.8°F September 03 76.6°F
September 07 77.4°F September 02 75.8°F
September 06 76.4°F September 01 75.4°F
September 05 76.2°F August 31 76.0°F
September 04 76.8°F August 30 76.0°F

When is the Warmest Sea for Avarua ?

According to our data for the last three years for Avarua  the highest average sea water temperature was in March, February and April.

Average Water Temperature by Month, °F

Sea Water Temperature in March

Select Year: 2026 2025 2024

The average sea surface temperature in March 2026 for Avarua  was 87.3°F. The maximum and minimum values were 85.8°F and 88.6°F respectively.

Sea Water Temperature in February

Select Year: 2026 2025 2024

The average sea surface temperature in February 2026 for Avarua  was 86.9°F. The maximum and minimum values were 85.8°F and 88.2°F respectively.

Sea Water Temperature in April

Select Year: 2026 2025 2024

The average sea surface temperature in April 2026 for Avarua  was 84.8°F. The maximum and minimum values were 83.6°F and 86.4°F respectively.

Best Time to Visit Avarua 
The most sunny months:
July 5 days
September 5 days
August 5 days
The most warm months:
March 87.0 °F
February 86.5 °F
January 85.8 °F
Warmest sea temperature:
March 85.9 °F
February 85.5 °F
April 84.9 °F
The most cold months:
August 77.3 °F
September 78.1 °F
October 78.8 °F
The most rainy months:
March 11 days
February 9 days
January 8 days
The most windy months:
October 16 mph
May 15 mph
September 15 mph

Avarua  on the Weather Map

Cook Islands Resorts:
NAME
Avarua  +76
24 Hours Weather Forecast
Avarua 
Local time: 09:39
08 sep, tuesday
1200 76°F
W
9 mph
1500 76°F
W
7 mph
1800 76°F
NW
12 mph
2100 76°F
W
12 mph
09 sep, wednesday
0000 74°F
NW
9 mph
0300 74°F
W
9 mph
0600 74°F
W
9 mph
0900 74°F
W
9 mph