Mild
Average highs are around 21°C, so days are mild rather than hot.
Weather Guide
Norfolk Island Average Monthly Weather
Weather score67Good annual avg
Best months: February, January, December
Across the year, average daytime temperatures are around 24°C, sunshine averages 0h per day, and rainfall totals about 807mm. Sea temperatures average 21°C across the year.
Annual weather
Annual averages
Temp
24°C
Rain
807mm
Annual total
Sun
0h
Sea
21°C
Weather score
67
Good avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 61mm, which is relatively low for holiday planning.
Limited sun
Sunshine averages 0h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 19°C, so the water can feel cool.
Map
Weather map
Compare Norfolk Island with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August21°C average high
August is cooler than the yearly average, which can make sightseeing feel gentler than in hotter months.
Warmest monthsJanuary to April
This stretch sets the upper range for average daytime heat.
Rain
August61mm average rain
August sits near Norfolk Island's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to April and July to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August0 hours average sun
August is close to Norfolk Island's usual sunshine level, with limited seasonal swing across the year.
Brightest monthsAll year
Sunshine stays consistently strong through the year.
Sea temperature
August19°C average sea
August is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJanuary to April
Sea temperatures are usually near 23°C in this stretch, so swimming comfort is at its strongest.
Weather score
August53 weather score
August is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJanuary to March and December
These months have the strongest weather score in the monthly averages.