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 5.4h per day, enough for a balanced month. Rainfall averages 68mm, which is relatively low for holiday planning.
Monthly averages
Temp
18°C
Rain
68mm
Sun
5.4h
Weather score
36
Poor
Cool
Average highs are around 18°C, so pack for cooler days.
Drier
Rainfall averages 68mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 5.4h per day, enough for a balanced month.
Map
Compare Blue Mountains National Park, Australia with nearby places by weather score, rain, sun, temperature, and swim conditions.
May18°C average high
May is on the cooler side of Blue Mountains National Park'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.
May68mm average rain
May sits on the drier side of Blue Mountains National Park's year, which helps with sightseeing and transfers.
Driest monthsMay and July to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
May5.4 hours average sun
May is one of Blue Mountains National Park's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsJanuary and October to December
This stretch has the strongest sunshine in the monthly averages.
May36 weather score
May scores below Blue Mountains National Park's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJanuary to February and December
These months have the strongest weather score in the monthly averages.
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