Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
December verdict
Northern Cook Islands, Cook Islands in December
Weather score65Good
Good for holiday weather
Average highs sit around 30°C, giving warm days by monthly-average standards. Sunshine averages 0h per day, so this is not one of the brighter months. Rainfall averages 187mm, so showers are a real planning factor.
December weather
Monthly averages
Temp
30°C
Rain
187mm
Sun
0h
Sea
29°C
Weather score
65
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 187mm, so showers are a real planning factor.
Limited sun
Sunshine averages 0h per day, so this is not one of the brighter months.
Warm sea
Sea temperatures average 29°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Northern Cook Islands, Cook Islands with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December30°C average high
December is close to Northern Cook Islands' usual daytime heat, with little temperature swing across the year.
Warmest monthsAll year
Daytime heat stays consistently warm through the year.
Rain
December187mm average rain
December is wetter than Northern Cook Islands' yearly average, so flexible plans matter more.
Driest monthsApril to November
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
December0 hours average sun
December is close to Northern Cook Islands' usual sunshine level, with limited seasonal swing across the year.
Brightest monthsAll year
Sunshine stays consistently strong through the year.
Sea temperature
December29°C average sea
December is part of a consistently warm sea-temperature pattern, so swimming comfort changes little through the year.
Warmest seaAll year
Sea temperatures stay warm enough for easy swimming through the year.
Weather score
December65 weather score
December scores below Northern Cook Islands' yearly average, so the weather trade-offs are more noticeable.
Best weather monthsApril and August to November
These months have the strongest weather score in the monthly averages.