UV Index
UV Index
Today's UV index in Karon, Thailand 
will be up to 11.9, 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 11.9 in Karon 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.
Karon, Thailand, often has a UV index that ranges from moderate to very high, especially during the midday hours. The highest UV levels usually occur in the dry season from November to April. It is important to note that UV levels decrease significantly during the rainy season.
Seasonally, Karon experiences a hot and dry season from November to April, with temperatures often reaching high levels. The rainy season runs from May to October, bringing frequent showers and cooler temperatures, especially in the late afternoons and evenings.
Compared to other parts of Thailand, Karon has a tropical climate that is typical of the southern coastal region, with more consistent warmth year-round. Neighboring countries like Malaysia and Indonesia share similar weather patterns, but Karon tends to have a more pronounced dry season than some areas closer to the equator.
See the UV index hour by hour for Karon, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.