UV Index
UV Index
Today's UV index in Cabo San Lucas, Mexico 
will be up to 11.1, 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: 2025-05-21
UV index at 11.1 in Cabo San Lucas 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 Cabo San Lucas is very high, especially during the summer months, often reaching levels of 9 to 11, which means strong sun exposure throughout the year, especially in spring and summer.
Cabo San Lucas has warm and dry weather most of the year, with hot summers and mild winters. The rainy season happens from July to September, bringing occasional heavy showers and storms.
Compared to other places in Mexico, Cabo San Lucas is drier and sunnier because it is in a desert region. It is warmer than nearby coastal cities in Baja California but less humid than places on Mexico’s east coast.
See the UV index hour by hour for Cabo San Lucas, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.