UV Index
UV Index
Today's UV index in San Antonio, Philippines 
will be up to 12.2, 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: 2025-07-20
UV index at 12.2 in San Antonio 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 San Antonio, Philippines, is often high, especially from March to May, reaching values between 9 and 12, indicating very strong sun exposure during these months.
San Antonio experiences a tropical climate with a hot and humid dry season from March to May and a rainy season from June to November, featuring frequent afternoon thunderstorms and cooler temperatures during December to February.
Compared to neighboring countries like Vietnam and Malaysia, San Antonio usually has higher humidity and more intense rainfall during the monsoon season, but its dry season is hotter and longer than in many parts of northern Southeast Asia.
See the UV index hour by hour for San Antonio, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.