Protection on Nov 511 AM–4 PMUV 3 or higher, local time
Solar noon12:23 PMwhen the sun is highest
Sunrise · sunset7:01 AM · 5:45 PMlocal time
Peak5around 1 PM
Sun protection on Thursday, November 5
Moderate Protection needed. Seek shade during late morning through mid-afternoon. Use broad-spectrum SPF 15+ sunscreen on exposed skin and wear protective clothing, a wide-brimmed hat and sunglasses (EPA).
What the UV index scale meansHourly UV forecast
| Hour | UV index | Exposure |
|---|---|---|
| 8 AM | 0 | Low |
| 9 AM | 1 | Low |
| 10 AM | 2 | Low |
| 11 AM | 3 | Moderate |
| 12 PM | 4 | Moderate |
| 1 PM | 5 | Moderate |
| 2 PM | 4 | Moderate |
| 3 PM | 3 | Moderate |
| 4 PM | 1 | Low |
Recent UV forecasts in San Luis
Across 7 available forecast dates from Oct 30, 2026 to Nov 5, 2026, the forecast peak ranged from 3 to 5 (highest on Nov 2, 2026).
| Date | Peak UV | Exposure |
|---|---|---|
| Thu, Nov 5 | 5 | Moderate |
| Wed, Nov 4 | 5 | Moderate |
| Tue, Nov 3 | 5 | Moderate |
| Mon, Nov 2 | 5 | Moderate |
| Sun, Nov 1 | 4 | Moderate |
| Sat, Oct 31 | 3 | Moderate |
| Fri, Oct 30 | 4 | Moderate |
UV index today near San Luis
| City | Distance | Peak today |
|---|---|---|
| Yuma, AZ | 12 mi | — |
| Calexico, CA | 47 mi | — |
| El Centro, CA | 53 mi | — |
| Brawley, CA | 58 mi | — |
| Coachella, CA | 117 mi | — |
More: Arizona UV index · San Luis frost dates · Lake Havasu water temperature · UV index explained