Measurements:
°C
°F
Avarua 
80°F
NW 18 mph
Feels like: 84°F
Precip: 67%
World Resorts Cook Islands Avarua  Weather

Avarua  Sea Water Temperature

Current Sea Water Temperature:
+83.0°F
Maximum Sea Water Temperature in December: 86.4°F
Minimum Sea Water Temperature in December: 79.6°F
Average water temperature in December: 82.9°F

Sea Water Temperature for the Last 10 Days:

December 17 83.0°F December 12 82.2°F
December 16 82.6°F December 11 82.4°F
December 15 82.6°F December 10 82.4°F
December 14 82.4°F December 09 82.6°F
December 13 82.6°F December 08 82.0°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: 2025 2024 2023

The average sea surface temperature in March 2025 for Avarua  was 86.5°F. The maximum and minimum values were 85.2°F and 87.2°F respectively.

Sea Water Temperature in February

Select Year: 2025 2024 2023

The average sea surface temperature in February 2025 for Avarua  was 86.8°F. The maximum and minimum values were 85.4°F and 88.2°F respectively.

Sea Water Temperature in April

Select Year: 2025 2024 2023

The average sea surface temperature in April 2025 for Avarua  was 85.3°F. The maximum and minimum values were 83.4°F and 86.4°F respectively.

Best Time to Visit Avarua 
The most sunny months:
September 5 days
August 5 days
July 5 days
The most warm months:
March 87.2 °F
February 86.7 °F
January 86.0 °F
Warmest sea temperature:
March 85.8 °F
February 85.4 °F
April 85.0 °F
The most cold months:
August 77.6 °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  +80
24 Hours Weather Forecast
Avarua 
Local time: 13:03
17 dec, wednesday
1500 80°F
NW
17 mph
1800 80°F
NW
19 mph
2100 80°F
NW
18 mph
18 dec, thursday
0000 80°F
NW
17 mph
0300 80°F
NW
17 mph
0600 80°F
NW
17 mph
0900 80°F
NW
17 mph
1200 80°F
NW
17 mph