Climate almanac
Blue Mountains
New South Wales, Australia · -33.71°, 150.33°
What is the climate like in Blue Mountains?
The best time to visit Blue Mountains is typically September, the year's most comfortable month (6.6/10). Blue Mountains is warmest in January, when daily highs average 78°F (26°C), and coolest in July, when lows fall to about 38°F (3°C). The wettest month is typically March and the driest is June; the year sees roughly 46 in (1172 mm) of precipitation.
- Best time to visitSeptember — the year's comfort peak (6.6/10)
- Warmest monthJanuary — average high 78°F (26°C)
- Coolest monthJuly — average low 38°F (3°C)
- Wettest monthMarch (7.3 in (185 mm))
- Driest monthJune (2.1 in (54 mm))
- Annual precipitation46 in (1172 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromKatoomba (murri St), 2 km away (1957-2026)