UV Index
UV Index
Today's UV index in Kathmandu, Nepal 
will be up to 11.8, 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 11.8 in Kathmandu 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.
Kathmandu's UV index varies seasonally, reaching high levels around April to June and lower levels during the monsoon months of July to September. The highest UV index usually occurs in late spring.
Kathmandu experiences four seasons: a cool, dry winter from December to February, a warm pre-monsoon season from March to May, a rainy monsoon season from June to September, and a cool, dry autumn from October to November. Temperature and rainfall change with the seasons.
Compared to other parts of Nepal, Kathmandu has milder weather and less rainfall than the lowland Terai region. It is warmer and less rainy than mountain areas but cooler than southern neighboring countries like India during winter.
See the UV index hour by hour for Kathmandu, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.