CLIMATE
Climate of Hanan Airport, Cook Island
Seasonal climate characteristics and practical weather context.
Climate of Hanan Airport, Cook Island
NASA POWER’s 1991–2020 climatology for Hanan Airport, Cook Island (-19.083, -169.933) gives an annual mean temperature of 25.8 °C and estimated annual precipitation of about 1,409 mm.
Temperature
March has the highest monthly mean temperature at 27.5 °C. August is coolest at 24.2 °C, a yearly monthly-mean range of 3.3 °C.
Precipitation
January has the highest estimated monthly total (about 187 mm); August has the lowest (about 61 mm). Monthly totals are estimated from NASA POWER’s mean daily precipitation rates.
Monthly averages
| Month | Mean temperature | Estimated precipitation |
|---|---|---|
| January | 27.0 °C | 187 mm |
| February | 27.4 °C | 176 mm |
| March | 27.5 °C | 161 mm |
| April | 26.9 °C | 138 mm |
| May | 25.9 °C | 112 mm |
| June | 25.1 °C | 68 mm |
| July | 24.4 °C | 62 mm |
| August | 24.2 °C | 61 mm |
| September | 24.4 °C | 77 mm |
| October | 25.0 °C | 108 mm |
| November | 25.8 °C | 121 mm |
| December | 26.5 °C | 138 mm |