Warm
Average highs sit around 27°C, giving warm days by monthly-average standards.
May verdict
Very good for holiday weather
Average highs sit around 27°C, giving warm days by monthly-average standards. Sunshine averages 6.2h per day, enough for a balanced month. Rainfall averages 138mm, so some wet days are possible.
Monthly averages
Temp
27°C
Rain
138mm
Sun
6.2h
Sea
26°C
Weather score
70
Very good
Warm
Average highs sit around 27°C, giving warm days by monthly-average standards.
Showers
Rainfall averages 138mm, so some wet days are possible.
Some sun
Sunshine averages 6.2h per day, enough for a balanced month.
Swimmable
Sea temperatures average 26°C, which can work for swimming but may feel fresh.
Map
Compare Cairns, Australia with nearby places by weather score, rain, sun, temperature, and swim conditions.
May27°C average high
May is on the cooler side of Cairns' year, useful if you prefer less intense daytime heat.
Warmest monthsJanuary to March and November to December
This stretch sets the upper range for average daytime heat.
May138mm average rain
May sits on the drier side of Cairns' year, which helps with sightseeing and transfers.
Driest monthsMay to November
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
May6.2 hours average sun
May is one of Cairns' cloudier months, so sunshine-led plans are less reliable.
Brightest monthsAugust to November
This stretch has the strongest sunshine in the monthly averages.
May26°C average sea
May is close to Cairns' yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaJanuary to March and December
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
May70 weather score
May sits close to Cairns' yearly weather-score average, giving a typical overall read on the month.
Best weather monthsSeptember to November
These months have the strongest weather score in the monthly averages.