The lowest temperature (usually the lowest temperature recorded at night) at Coolum Beach in January is 21.4°C. The amount of rain that falls in January is very high, at an average of 150mm. The average rainfall is over 10 consecutive days. The typical maximum daytime temperature is around 29.2°C. If you like looking at the blue sky and are a fan of the sun, then this is the perfect time to visit Coolum Beach with 230 hours of sunshine.
What should you do in January? Tourists who are visiting Coolum Beach should plan on carrying a completely waterproof rain jacket as it's likely to rain. Bring your shorts and an outfit since it could be extremely hot or hot.