January weather forecast
Tinian International Airport, Northern Mariana Islands, USA

The start of the year in Tinian International Airport, Northern Mariana Islands, sees a consistent weather pattern with similar conditions to those of December. With highs of 84°F (28.9°C) and lows down to 75°F (23.9°C), the region experiences a moderate climate. January ranks as the third-highest month for rainfall, averaging 4.3" (109mm) across 22 days, keeping the environment lush and green. It is suggested to pack a light jacket for the evenings. For those who are fond of water activities, the sea temperature remains remarkably warm.

Temperature

January through March bring Tinian International Airport's lowest average temperatures, reaching a high of 84.2°F (29°C).

Rainfall

In Tinian International Airport, in January, it is raining for 22 days, with typically 4.25" (108mm) of accumulated precipitation. Throughout the year, there are 247 rainfall days, and 79.21" (2012mm) of precipitation is accumulated.

Ocean temperature

The months with the coldest seawater are January through March, with an average ocean temperature of 82°F (27.8°C).
Note: For swimming, diving, and other water activities, temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

In Tinian International Airport, the average length of the day in January is 11h and 21min.
On the first day of January, sunrise is at 6:42 am and sunset at 5:58 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 6:15 pm ChST.

Sunshine

In January, the average sunshine in Tinian International Airport is 6h.

UV index

In Tinian International Airport, Northern Mariana Islands, the average daily maximum UV index in January is 10. A UV Index estimate of 8 to 10 represents a very high health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: In January, the average maximum UV index of 10 translates into the following recommendations:
Being unprotected puts skin and eyes at risk of rapid damage. Always be safe. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Broad-spectrum SPF 30+ sunscreen must be generously applied and reapplied every two hours or post any outdoor activity or swim. Stay cautious! Sand and water reflections increase UV radiation potency.