Weather in Cook Islands
| Jan | Feb | Mar | Apr | May | Jun | |
| Average High Temperature |
83.0°F 28°C |
84.0°F 28°C |
84.0°F 28°C |
82.0°F 27°C |
79.0°F 26°C |
77.0°F 25°C |
| Average Low Temperature |
75.0°F 23°C |
76.0°F 24°C |
76.0°F 24°C |
74.0°F 23°C |
72.0°F 22°C |
70.0°F 21°C |
| Average Temperature |
79.0°F 26°C |
80.0°F 26°C |
80.0°F 26°C |
78.0°F 25°C |
76.0°F 24°C |
74.0°F 23°C |
| Average Morning Relative Humidity |
89.0 in. 26 cm |
88.0 in. 26 cm |
87.0 in. 26 cm |
87.0 in. 25 cm |
84.0 in. 24 cm |
83.0 in. 23 cm |
| Average Evening Relative Humidity | 77.0 % | 78.0 % | 76.0 % | 77.0 % | 77.0 % | 75.0 % |
| Average Precipitation | 9.8 % | 9.0 % | 10.6 % | 7.3 % | 6.3 % | 4.3 % |
| Jul | Aug | Sep | Oct | Nov | Dec | |
| Average High Temperature |
76.0°F 24°C |
76.0°F 24°C |
77.0°F 25°C |
78.0°F 25°C |
80.0°F 26°C |
81.0°F 27°C |
| Average Low Temperature |
68.0°F 20°C |
68.0°F 20°C |
69.0°F 20°C |
70.0°F 21°C |
72.0°F 22°C |
73.0°F 22°C |
| Average Temperature |
72.0°F 22°C |
72.0°F 22°C |
73.0°F 22°C |
74.0°F 23°C |
76.0°F 24°C |
77.0°F 25°C |
| Average Morning Relative Humidity |
81.0 in. 81 cm |
81.0 in. 81 cm |
83.0 in. 83 cm |
84.0 in. 84 cm |
85.0 in. 85 cm |
87.0 in. 87 cm |
| Average Evening Relative Humidity | 73.0 % | 72.0 % | 73.0 % | 74.0 % | 75.0 % | 75.0 % |
| Average Precipitation | 4.2 % | 4.9 % | 4.6 % | 4.9 % | 6.0 % | 8.7 % |