UV Index
UV Index
Today's UV index in Saipan, Northern Mariana Islands 
will be up to 12.1, indicating a extreme level of sun exposure for the average person. Check our tips for today to make sure you're safe in the sun.
Last checked: 2025-06-22
UV index at 12.1 in Saipan means extreme risk: limit outdoor time especially from 10 a.m. to 4 p.m., actively seek shade, wear protective clothing, broad-brimmed hat, apply SPF 30+ sunscreen every 2 hours, and wear UV-blocking sunglasses. Watch for bright surfaces like water and snow increasing UV exposure.
The UV index in Saipan is generally high year-round, often ranging between 8 and 12, indicating strong sun exposure even on cloudy days. It is important to be mindful of this when outside.
Saipan has a tropical climate with a wet season from July to December and a dry season from January to June. Temperatures stay warm throughout the year, usually between 75°F and 87°F (24°C to 31°C).
Compared to nearby places like Guam and the Philippines, Saipan is usually a bit cooler and less rainy than the Philippines but similar in temperature to Guam. It experiences strong trade winds that help keep it comfortable.
See the UV index hour by hour for Saipan, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.