The best time to visit Blue Mountains
Month-by-month climate averages for Blue Mountains, New South Wales, so you can pick your dates on data rather than guesswork.
The most comfortable time to visit Blue Mountains is usually January, February, March and September, when daytime highs sit in the pleasant 16-26°C range and the heaviest April rain is behind you.
Blue Mountains is warmest in December (highs near 25°C) and coldest in June (lows around 2°C), with roughly 1162 mm of precipitation across the year and April the wettest month. The sweet spot for most visitors is January, February, March and September.
These are long-run averages. For the actual days you are travelling, check the live Blue Mountains forecast — and note how much the models agree, because that tells you how much to trust it.
Blue Mountains weather by month
what to expect in Blue Mountains through the yearHere is Blue Mountains's typical weather in each month: the average daytime high and overnight low in °C, how each month feels, and the wettest month marked. Use it to plan any trip to Blue Mountains by season.