Cronulla Weather in December

December in Cronulla brings high temperatures, with highs of 24°C (75°F) and nights dropping to 18°C (64°F). Rainfall is on the higher side this month, averaging around 63 mm (2.5 in), so keep a rain jacket handy.

Rainfall in Cronulla in December

Expect around 10 days of rain based on historical data, with 63 mm (2.5 in) average. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Cronulla in December

Weather in Cronulla is at its excellent in December. Highs reach 24°C (75°F), while nights settle around 18°C (64°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. With overnight lows of 18°C (64°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Cronulla in December

The month enjoys around 257 hours of sunshine, creating mostly sunny days with good weather conditions.

Wind Speed in Cronulla in December

December sees wind speeds averaging 4 m/s (8 knots). You'll experience variable conditions with moderate winds that create small waves on water and keep branches moving. Conditions range from light winds to moderate breezes throughout the month.

Average water temperature in December

The water sits at 20°C (68°F), which is a nice temperature for swimming. Not too cold, not too warm, most visitors are happy to spend time in the water.

If your ideal day consists of dry skies and pleasant temperatures, January, March, April, May, September, October, November and December typically offer the best circumstances for Cronulla.