Cool
Average highs are around 18°C, so pack for cooler days.
May verdict
Poor for holiday weather
Average highs are around 18°C, so pack for cooler days. Sunshine averages 5h per day, enough for a balanced month. Rainfall averages 64mm, which is relatively low for holiday planning.
Monthly averages
Temp
18°C
Rain
64mm
Sun
5h
Sea
17°C
Weather score
37
Poor
Cool
Average highs are around 18°C, so pack for cooler days.
Drier
Rainfall averages 64mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 5h per day, enough for a balanced month.
Cool sea
Sea temperatures average 17°C, so the water can feel cool.
Map
Compare Goolwa, Australia with nearby places by weather score, rain, sun, temperature, and swim conditions.
May18°C average high
May is on the cooler side of Goolwa'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.
May64mm average rain
May is wetter than Goolwa's yearly average, so flexible plans matter more.
Driest monthsJanuary to April and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
May5 hours average sun
May is one of Goolwa's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsJanuary to February and December
This stretch has the strongest sunshine in the monthly averages.
May17°C average sea
May is close to Goolwa's yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaJanuary to March and December
Sea temperatures are usually near 20°C in this stretch, so swimming comfort is at its strongest.
May37 weather score
May scores below Goolwa'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.