December weather forecast
Gizo, Solomon Islands

In December, Gizo experiences weather conditions very similar to November, with a relatively high sea temperature of 30.3°C (86.5°F) and consistent rainfall. The daylight hours also increase slightly, staying in tandem with the approach of the festive season. Gizo's tropical weather, characterized by warm sea waters and pleasant temperatures, aligns perfectly with the holiday merriment that December brings.

Temperature

January through April, September through December, with an average high-temperature of 31°C (87.8°F), are the warmest months.

Rainfall

In December, the rain falls for 19 days. Throughout December, 288mm (11.34") of precipitation is accumulated. In Gizo, Solomon Islands, during the entire year, the rain falls for 242 days and collects up to 3643mm (143.43") of precipitation.

Sea temperature

December is the month with the warmest seawater in Gizo, Solomon Islands, with an average sea temperature of 30.3°C (86.5°F).
Note: The desire for a refreshing swim might be compromised in waters with temperatures above 30°C (86°F).

Daylight

The month with the longest days is December, with an average of 12h and 36min of daylight.
On the first day of December, sunrise is at 06:04 and sunset at 18:38. On the last day of the month, sunrise is at 06:17 and sunset at 18:53 +11.

Sunshine

The months with the least sunshine in Gizo, Solomon Islands, are February, April, July and December, with an average of 5h of sunshine.

UV index

The months with the highest UV index are January through April, August through December, with an average maximum UV index of 12. A UV Index estimate of 11, and higher, represents an excessive health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A daily high UV index of 12 in December leads to these guidelines:
Adopt all essential precautions. Preventing sun harm is crucial. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Broad-spectrum SPF 30+ sunscreen must be generously applied and reapplied every two hours or post any outdoor activity or swim. Warning! The Sun's UV rays intensify with reflections from sand and water.