Last updated: June 2, 2025
In Girdwood, United States, being aware of the UV Index is crucial for safeguarding your skin and overall health. The UV Index provides important information about the strength of ultraviolet radiation from the sun, enabling residents and visitors to take preventive measures against sunburn and long-term skin damage. With Girdwood's Dfc climate, the UV exposure can vary significantly throughout the day, peaking at 6 between 1:00 PM and 3:00 PM. Understanding these levels helps you make informed decisions about sun safety, ensuring you enjoy Girdwood's beautiful outdoor offerings while protecting your skin.
The UV Index for the day presents a dynamic landscape of sun exposure, beginning gently at 1 in the early hours, perfect for those taking a leisurely morning stroll. As the sun climbs higher, the intensity escalates, peaking at 6 between 1:00 PM and 3:00 PM—ideal for sun-seekers who enjoy it hot! Attendees at outdoor activities should take precautionary measures during this window, such as applying sunscreen and wearing protective clothing. As afternoon transitions to evening, the UV Index gradually tapers off, settling back to a more manageable 2 by 7:00 PM. Remember, moderation is key to enjoying the sun safely!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 3 | moderate | 30 min |
| 11:00 | 4 | moderate | 30 min |
| 12:00 | 5 | moderate | 30 min |
| 13:00 | 6 | high | 25 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 2 | low | 45 min |
The UV Index shows significant seasonal changes, with high-risk months occurring from May to August, when the UV Index reaches levels of 6 or 7 and the exposure category is classified as high, indicating a burn time of only 25 minutes. This means that during these months, residents and visitors should take extra precautions, such as wearing sunscreen, protective clothing, and seeking shade during peak sunlight hours. The months of March and April also show moderate levels of UV exposure, prompting individuals to remain vigilant with sun protection measures, as burn times decrease to 30 minutes. Conversely, the winter months of January, February, October, November, and December present a lower UV index, categorized as low, allowing for longer exposure times of about 45 minutes before sunburn occurs. Awareness of these seasonal variations is crucial for maintaining skin health throughout the year.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Girdwood | 1 | 2 | 3 | 5 | 7 | 6 | 7 | 6 | 4 | 2 | 1 | 1 |
| Chicago UVI | 3 | 4 | 6 | 8 | 9 | 10 | 10 | 9 | 8 | 6 | 4 | 2 |
| Brooklyn UVI | 3 | 5 | 6 | 8 | 10 | 10 | 9 | 9 | 8 | 6 | 4 | 2 |
| New York City UVI | 3 | 5 | 6 | 8 | 10 | 10 | 9 | 9 | 8 | 6 | 4 | 2 |
| Los Angeles UVI | 4 | 6 | 8 | 9 | 10 | 11 | 11 | 10 | 10 | 7 | 5 | 4 |
| Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |