Warm
Average highs sit around 28°C, giving warm days by monthly-average standards.
October verdict
Very good for holiday weather
Average highs sit around 28°C, giving warm days by monthly-average standards. Sunshine averages 0h per day, so this is not one of the brighter months. Rainfall averages 101mm, so some wet days are possible.
Monthly averages
Temp
28°C
Rain
101mm
Sun
0h
Sea
26°C
Weather score
78
Very good
Warm
Average highs sit around 28°C, giving warm days by monthly-average standards.
Showers
Rainfall averages 101mm, so some wet days are possible.
Limited sun
Sunshine averages 0h per day, so this is not one of the brighter months.
Swimmable
Sea temperatures average 26°C, which can work for swimming but may feel fresh.
Map
Compare Cook Islands with nearby places by weather score, rain, sun, temperature, and swim conditions.
October28°C average high
October is close to Cook Islands' usual daytime heat, with little temperature swing across the year.
Warmest monthsAll year
Daytime heat stays consistently warm through the year.
October101mm average rain
October sits on the drier side of Cook Islands' year, which helps with sightseeing and transfers.
Driest monthsJune to October
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
October0 hours average sun
October is close to Cook Islands' usual sunshine level, with limited seasonal swing across the year.
Brightest monthsAll year
Sunshine stays consistently strong through the year.
October26°C average sea
October is below Cook Islands' yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJanuary to May and December
Sea temperatures are usually near 28°C in this stretch, so swimming comfort is at its strongest.
October78 weather score
October is one of Cook Islands' best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJune to November
These months have the strongest weather score in the monthly averages.