December weather forecast
Saipan, Northern Mariana Islands, USA

In December, Saipan's weather takes on a more tranquil demeanor as the year ends. Rainfall estimates at about 5.9" (150mm), setting a significantly lower level than in previous months. The city registers temperatures varying from a low of 74.1°F (23.4°C) to a high of 81.4°F (27.4°C), presenting fairly pleasant conditions. As January begins anew, the cycle continues in the tropical climate of Saipan.

Temperature

With December's arrival, Saipan notes an average high-temperature of a still moderately hot 81.3°F (27.4°C), closely following the trend of the preceding month. Saipan's December nights observe a minor shift from the daytime temperatures, resulting in an average dip to a still warm 74.1°F (23.4°C).

Rainfall

In December, the rain falls for 23 days. Throughout December, 5.87" (149mm) of precipitation is accumulated. Throughout the year, in Saipan, there are 244 rainfall days, and 83.39" (2118mm) of precipitation is accumulated.

Ocean temperature

In Saipan, in December, the average water temperature is 82.4°F (28°C).
Note: In water activities such as swimming and diving, temperatures from 77°F (25°C) to 84.2°F (29°C) are deemed highly pleasurable for extended periods without any unease.

Daylight

December has the shortest days of the year in Saipan, with an average of 11h and 12min of daylight.
On the first day of December in Saipan, sunrise is at 6:27 am and sunset at 5:44 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 5:57 pm ChST.

Sunshine

August through December, with an average of 5h of sunshine, are months with the least sunshine in Saipan.

UV index

The months with the lowest UV index are November and December, with an average maximum UV index of 9. A UV Index of 8 to 10 symbolizes a very high health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: An average maximum UV index of 9 in December leads to these recommendations:
Without proper safety measures, skin and eyes can be quickly harmed. Be sure to protect yourself. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Despite the cloud cover, sunscreen with an SPF of at least 30 should be generously applied and reapplied, particularly after a swim or an outdoor workout. Be alert! The reflection of water and sand augments UV radiation intensity.