Last updated: July 2, 2025
Understanding the UV Index in San Miguel Chicaj, Guatemala is crucial for safeguarding your skin and overall health. With the Cwb climate bringing a unique blend of temperatures and sunlight, residents and visitors alike must be aware of fluctuating UV levels throughout the day. Peak exposure occurs around midday, where the UV Index can soar to a staggering 14, heightening the risk of sunburn and long-term skin damage. By being informed and prepared, you can not only prevent painful sunburn but also protect your skin from harmful UV radiation, ensuring you can enjoy the rich beauty of this vibrant town safely.
At dawn, the UV Index starts at a gentle 1, but as the sun ascends, it quickly ramps up. By 08:00, it reaches 4, a signal to be cautious outdoors. The peak occurs at 12:00, hitting a striking 14, emphasizing the need for sun protection. This intense solar intensity begins to wane after 13:00, descending to 10 by 14:00. By the late afternoon, the UV Index drops significantly, falling to 4 at 16:00 and returning to a safe level of 1 by 18:00. As evening approaches, the UV threat diminishes to 0 by 19:00, marking a day where sun safety was crucial during those midday hours.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 7 | high | 25 min |
| 10:00 | 10 | very high | 15 min |
| 11:00 | 13 | extreme | 10 min |
| 12:00 | 14 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index shows significant seasonal variation, with extreme levels persisting from January through October, making these months particularly high-risk for sunburn. The highest values occur in March and April, peaking at 15, followed closely by February with a UV Index of 13. As a reminder, the burn time during these months is a mere 10 minutes, emphasizing the urgent need for protective measures. In November, the Index decreases slightly to 11, and December sees a further reduction to 9, classified as very high with a burn time of 15 minutes. Visitors and residents are strongly advised to apply sunscreen regularly, wear protective clothing, and seek shade, especially during the peak sun hours, to safeguard against the risks of overexposure to UV radiation.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Petapa UVI | 11 | 13 | 14 | 15 | 14 | 14 | 14 | 14 | 14 | 13 | 10 | 10 |
| Villa Nueva UVI | 11 | 13 | 14 | 15 | 14 | 14 | 14 | 14 | 14 | 13 | 10 | 10 |
| San Miguel Chicaj | 11 | 13 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 13 | 11 | 9 |
| Mixco UVI | 11 | 13 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 13 | 11 | 10 |
| Guatemala City UVI | 11 | 13 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 13 | 11 | 10 |
| San Juan Sacatepequez UVI | 11 | 13 | 15 | 15 | 14 | 14 | 15 | 14 | 14 | 13 | 11 | 10 |