Mild
Average highs are around 20°C, so days are mild rather than hot.
May verdict
Sydney, New South Wales, Australia in May
Weather score45Mixed
Mixed for holiday weather
Average highs are around 20°C, so days are mild rather than hot. Sunshine averages 5.7h per day, enough for a balanced month. Rainfall averages 108mm, so some wet days are possible.
May weather
Monthly averages
Temp
20°C
Rain
108mm
Sun
5.7h
Sea
21°C
Weather score
45
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 108mm, so some wet days are possible.
Some sun
Sunshine averages 5.7h per day, enough for a balanced month.
Cool sea
Sea temperatures average 21°C, so the water can feel cool.
Map
Weather map
Compare Sydney, New South Wales, Australia with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
May20°C average high
May is on the cooler side of Sydney's year, useful if you prefer less intense daytime heat.
Warmest monthsJanuary to March and December
This stretch sets the upper range for average daytime heat.
Rain
May108mm average rain
May sits near Sydney's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJuly, September to October, and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
May5.7 hours average sun
May is one of Sydney's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsJanuary and August to December
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
May21°C average sea
May is close to Sydney's yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaJanuary to April
Sea temperatures are usually near 23°C in this stretch, so swimming comfort is at its strongest.
Weather score
May45 weather score
May scores below Sydney's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJanuary to March and December
These months have the strongest weather score in the monthly averages.
Hotels in Sydney, New South Wales, Australia
Marriott
W SydneySydney, New South Wales, Australia
Sydney Harbour Marriott Hotel at Circular QuaySydney, New South Wales, Australia
Sheraton Grand Sydney Hyde ParkSydney, New South Wales, Australia
Pier One Sydney Harbour, Autograph CollectionSydney, New South Wales, Australia
Four Points by Sheraton Sydney, Central ParkSydney, New South Wales, Australia