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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Aussie Brief Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Check the live forecast above for today’s conditions on the Mount Coolum summit. Expect a sea breeze by mid-morning, with temperatures typically 2–4°C cooler than Coolum Beach. Late afternoon brings the highest chance of afternoon showers, especially from November to March.
What’s the typical weather on Mount Coolum?
The summit is exposed to coastal winds and can feel noticeably cooler than the base. Summer (December–February) averages 28–30°C at sea level, dropping to 24–26°C on top. Winter (June–August) is mild, 18–22°C at the summit. Rain is quick-moving, often clearing within an hour. Humidity is high year-round, so carry water even on a short hike.
How does the hike weather compare to Coolum Beach?
The 1.8‑kilometre Mount Coolum hike gains about 200 metres. The exposed rock faces get hot in direct sun, and wind speed can double near the peak. Check the live forecast above for wind direction—a southerly breeze makes the climb cooler. If you see storms on the Brisbane weather radar, delay the hike.
Is it worth hiking Mount Coolum in light rain?
Light drizzle is common and usually clears. The trail can be slippery, especially on the granite sections. If the severe weather warning is active, or lightning is forecast, skip the hike completely.
What’s the best season for a Mount Coolum hike?
Autumn and early spring (March–May, September–October) offer mild temperatures, lower humidity, and fewer storms. Summer mornings are okay if you start before 8 am. Winter offers crisp, clear views but pack a windbreaker.
Does the weather in Coolum Beach 10 days affect the summit?
The 10-day forecast for Coolum Beach is a good guide but often underestimates summit wind. Use the mount coolum weather radar loop on the Bureau site for real-time rain movement before you go.