Measurements:
°C
°F
Avarua 
72°F
W 16 mph
Feels like: 72°F
Precip: 14%
World Resorts Cook Islands Avarua  Weather

7 Day Weather Forecast

09.28
mon
DAY
72°F
W 16 mph
precip
14%
NIGHT
70°F
W 19 mph
precip
32%
09.29
tue
DAY
72°F
NW 19 mph
precip
15%
NIGHT
70°F
NW 19 mph
precip
10%
09.30
wed
DAY
72°F
NW 21 mph
precip
13%
NIGHT
72°F
NW 19 mph
precip
8%
10.01
thu
DAY
72°F
NW 21 mph
precip
30%
NIGHT
72°F
NW 19 mph
precip
5%
10.02
fri
DAY
72°F
NW 20 mph
precip
12%
NIGHT
74°F
NW 14 mph
precip
12%
10.03
sat
DAY
72°F
NW 18 mph
precip
38%
NIGHT
72°F
NW 15 mph
precip
16%
10.04
sun
DAY
72°F
NW 19 mph
precip
11%
NIGHT
72°F
NW 15 mph
precip
13%

Avarua  Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Avarua  was 23.9°F. The maximum and minimum values were 22.7°F and 25.0°F respectively.

Avarua  on the Weather Map

Best Time to Visit Avarua 
The most sunny months:
July 5 days
August 5 days
May 4 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 77.8 °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
July 15 mph