As of 1:43 AM MST on November 21, 2024, all 4 cities in Costilla County, CO in our database have a UV Index reading of 0, indicating no radiation from the sun.
Over the next 24 hours, the highest UV Index reading in Costilla County, CO is expected to be 3.4 in San Luis between 12:00 PM - 1:00 PM MST today.
Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
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Color | |||||
Risk | Low | Moderate | High | Very High | Extreme |