Treasure Island Weather in December

Treasure Island in December averages 29°C (84°F) during the day and 25°C (77°F) at night. Keep in mind that quite a bit of rainfall is expected this month.

Rainfall in Treasure Island in December

On average, there are about 18 days with rain during this month, averaging 167 mm (6.6 in). Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.

Temperature in Treasure Island in December

In December, Treasure Island gets high temperatures, with highs of 29°C (84°F). Nights cool to around 25°C (77°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. At 25°C (77°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.

Sunshine in Treasure Island in December

Enjoy a sunny month with about 225 hours of sunshine, the clear skies make Treasure Island even more beautiful.

Wind Speed in Treasure Island in December

Wind speeds average 3 m/s (6 knots) during December. At this speed, light breezes keep leaves and small twigs in gentle motion while the wind also provides natural cooling. Since this is an average, some days are more tranquil while others have more persistent light winds that are more noticeable.

Average water temperature in December

The water temperature is 27°C (81°F), which most people find very comfortable. A good month for swimming and water sports.

If you prefer dry days with pleasant temperatures, May, June, July, August and September typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.