December weather forecast
Christmas Island, Christmas Island

As Christmas Island segues into December, the weather reverts to full wet season mode. A further increased rainfall to 211mm (8.31") is recorded for the month, second only to February. It mirrors weather conditions similar to the first quarter of the year, with a mix of warm and wet days. Being a part of the wet season, December requires visitors to pack appropriately to fully enjoy their time on the island. Just before the year ends, the Christmas Island frigatebird, a spectacle to behold, prepares for its nesting period.

Temperature

December notes an average high-temperature of a still moderately hot 28.7°C (83.7°F), subtly differing from November's 28.2°C (82.8°F). In the month of December, Christmas Island experiences an average low-temperature of 23.5°C (74.3°F).

Rainfall

In Christmas Island, during December, the rain falls for 13 days and regularly aggregates up to 211mm (8.31") of precipitation. Throughout the year, in Christmas Island, there are 152 rainfall days, and 2101mm (82.72") of precipitation is accumulated.

Sea temperature

In December, the average sea temperature is 28°C (82.4°F).
Note: Surface water temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are considered superb and highly pleasant for water activities over extended periods.

Daylight

The month with the longest days in Christmas Island is December, with an average of 12h and 42min of daylight.
On the first day of the month, sunrise is at 05:25 and sunset at 18:07. On the last day of December, sunrise is at 05:38 and sunset at 18:22 +07.

Sunshine

In Christmas Island, the average sunshine in December is 13h.

UV index

January through April, September through December, with an average maximum UV index of 12, are months with the highest UV index. A UV Index value of 11, and more, symbolizes an ultimate health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 12 during December translates into these guidelines:
Enforce all necessary safety measures, unprotected skin may suffer burns swiftly. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Even when the sky is cloudy, apply generously and frequently reapply a sunscreen with SPF 30 or more, especially post every swim or outdoor exercise. Notice! The Sun's UV exposure elevates with sand and water reflections.