Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
March verdict
Atiu, Cook Islands in March
Weather score66Good
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 172mm, so some wet days are possible.
March weather
Monthly averages
Temp
30°C
Rain
172mm
Sun
0h
Sea
28°C
Weather score
66
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 172mm, so some wet days are possible.
Limited sun
Sunshine averages 0h per day, so this is not one of the brighter months.
Warm sea
Sea temperatures average 28°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Atiu, Cook Islands with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
March30°C average high
March is one of Atiu's warmest months, with daytime heat above the yearly average.
Warmest monthsJanuary to May and November to December
This stretch sets the upper range for average daytime heat.
Rain
March172mm average rain
March is wetter than Atiu's yearly average, so flexible plans matter more.
Driest monthsJune to October
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
March0 hours average sun
March is close to Atiu's usual sunshine level, with limited seasonal swing across the year.
Brightest monthsAll year
Sunshine stays consistently strong through the year.
Sea temperature
March28°C average sea
March is one of Atiu's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJanuary to May and December
Sea temperatures are usually near 28°C in this stretch, so swimming comfort is at its strongest.
Weather score
March66 weather score
March scores below Atiu's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJune to November
These months have the strongest weather score in the monthly averages.