December weather forecast
Omoka Village, Cook Islands

Ending the year, December in Omoka Village showcases the return to higher levels of rainfall with 242mm (9.53"). Despite the increased precipitation, Cook Islands' weather remains inviting with constant temperatures and extended daylight hours. The sea temperature remains a comfortable 29°C (84.2°F). The last month of the year arguably saves the best for last, as the daylight hours max out at 12.6 hours, equalled only by January. The UV index level, however, remains high, underscoring the need for persistent sun protection measures.

Temperature

During January, March through July, September through December, Omoka Village experiences its peak temperatures, averaging a high-temperature of 31°C (87.8°F).

Rainfall

In December, in Omoka Village, the rain falls for 12 days. Throughout December, 242mm (9.53") of precipitation is accumulated. Throughout the year, there are 123 rainfall days, and 2283mm (89.88") of precipitation is accumulated.

Sea temperature

The months with the warmest seawater are January through June, October through December, with an average sea temperature of 29°C (84.2°F).
Note: Swimming, diving, and other water activities in the temperature range of 25°C (77°F) to 29°C (84.2°F) are perceived as very enjoyable and comfortable for prolonged durations.

Daylight

December has the longest days of the year, with an average of 12h and 36min of daylight.
On the first day of December, sunrise is at 06:03 and sunset at 18:39. On the last day of the month, sunrise is at 06:16 and sunset at 18:54 -10.

Sunshine

In Omoka Village, the average sunshine in December is 12h.

UV index

January through April, September through December, with an average maximum UV index of 12, are months with the highest UV index in Omoka Village. A UV Index of 11, and more, symbolizes an ultimate health vulnerability from unsafe exposure to UV radiation for the average person.
Note: A daily maximum UV index of 12 in December translates into the following instructions:
Implement all necessary safeguards, unprotected skin might suffer burns rapidly. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Every two hours, apply and reapply an SPF 30+ broad-spectrum sunscreen, especially after swimming or engaging in outdoor activities. Alert! Sand and water increase UV exposure due to their reflective properties.