December weather forecast
Funafuti, Tuvalu

December marks the close of the year with the highest rainfall of 394mm (15.51") received during the month. Despite this peak in rainfall, the festive month experiences plenty of sunshine, heavily featuring in the daily weather conditions. The sea temperature continues to hold steady in the high 29°C (84.2°F), offering ideal conditions for aquatic adventures. High daylight hours at 12.6 creates ample opportunity for sightseeing and exploration. While enjoying the holiday season the UV index of 12 signals the necessity for appropriate sun protection gear.

Temperature

The warmest period, with an average high-temperature of 31°C (87.8°F), falls in January, April, May, October through December.

Rainfall

December is the month with the most rainfall. Rain falls for 17 days and accumulates 394mm (15.51") of precipitation.

Sea temperature

January, April, May, November and December, with an average sea temperature of 29.8°C (85.6°F), are months with the warmest seawater.
Note: Surface water temperatures falling between 25°C (77°F) and 29°C (84.2°F) are regarded as prime and extremely agreeable for enduring periods during any water activity.

Daylight

December has the longest days of the year, with an average of 12h and 36min of daylight.
On the first day of December in Funafuti, sunrise is at 05:34 and sunset at 18:09. On the last day of the month, sunrise is at 05:47 and sunset at 18:24 +12.

Sunshine

November and December, with an average of 17h of sunshine, are months with the least sunshine in Funafuti.

UV index

The months with the highest UV index are January through April, September through December, with an average maximum UV index of 12. A UV Index estimate of 11, and higher, represents an ultimate health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index, 12 in December, converts into the following recommendations:
Enforce all necessary safety measures, unprotected skin may suffer burns swiftly. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Regardless of the cloudiness of the day, a sunscreen with SPF 30 or more should be applied and reapplied generously, specifically after swimming or outdoor exercise. Beware! Reflections from sand and water can intensify the Sun's UV radiation.