December weather forecast
Rennell Island, Solomon Islands

Concluding the year in December, the Rennell Island weather aligns with the November pattern, with rainfall increasing to 246mm (9.69") thereby continuing the humid conditions. The consistent sea temperature keeps providing pristine conditions for various underwater activities. Despite the shorter sunshine duration, daylight hours peak at their highest for the year. Given the consistent UV index values throughout the year, protective measures against the sun's rays remain a top priority.

Temperature

The arrival of December brings an average high-temperature of a still hot 30°C (86°F), nearly identical to November's 31°C (87.8°F). The temperature lowers to an average of 23°C (73.4°F) during December nights.

Rainfall

In Rennell Island, during December, the rain falls for 17 days and regularly aggregates up to 246mm (9.69") of precipitation. In Rennell Island, during the entire year, the rain falls for 196 days and collects up to 2764mm (108.82") of precipitation.

Sea temperature

In December, the average sea temperature in Rennell Island is 29°C (84.2°F).
Note: Water temperatures in the range of 25°C (77°F) to 29°C (84.2°F) are warm and delightful, ensuring comfort during water activities over extended periods.

Daylight

The month with the longest days is December, with an average of 12h and 48min of daylight.
On the first day of December, sunrise is at 05:46 and sunset at 18:31. On the last day of the month, sunrise is at 05:58 and sunset at 18:46 +11.

Sunshine

The months with the least sunshine are January through July, September and December, with an average of 6h of sunshine.

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 estimate of 11, and higher, represents an extreme health hazard from unsafe exposure to UV radiation for average individuals.
Note: In December, the maximum UV index of 12 suggests this advice:
Execute all vital precautions. Preventing sun damage is of utmost importance. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. To cut down UV radiation exposure by about half, sport a wide-brim hat. After every outdoor workout or swim, liberally apply and frequently reapply a broad-spectrum SPF 30+ sunscreen. Heads up! UV intensity is amplified by reflections from water and sand.