Cool
Average highs are around 16°C, so pack for cooler days.
March verdict
Stewart Island, New Zealand in March
Weather score22Poor
Poor for holiday weather
Average highs are around 16°C, so pack for cooler days. Sunshine averages 4h per day, so this is not one of the brighter months. Rainfall averages 99mm, so some wet days are possible.
March weather
Monthly averages
Temp
16°C
Rain
99mm
Sun
4h
Sea
14°C
Weather score
22
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 99mm, so some wet days are possible.
Limited sun
Sunshine averages 4h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 14°C, so the water can feel cool.
Map
Weather map
Compare Stewart Island, New Zealand with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
March16°C average high
March sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJanuary to March and December
This stretch sets the upper range for average daytime heat.
Rain
March99mm average rain
March sits near Stewart Island's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsFebruary to March and June to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
March4 hours average sun
March sits close to Stewart Island's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsJanuary to February and October to December
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
March14°C average sea
March is one of Stewart Island's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJanuary to April and December
Sea temperatures are usually near 14°C in this stretch, so swimming comfort is at its strongest.
Weather score
March22 weather score
March sits close to Stewart Island's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJanuary to March and November to December
These months have the strongest weather score in the monthly averages.