Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors of Wulu Butie, China, where the climate can amplify sun exposure risks. With typical midday UV levels soaring to 8, awareness of UV radiation is essential for preventing sunburn and promoting long-term skin health. The Dwb climate zone here brings distinct seasonal variations, yet during warmer months, even seemingly mild UV readings can lead to harmful effects if proper precautions aren't taken. By staying informed about daily UV levels, Wulu Butie inhabitants can enjoy the sun safely while protecting their skin from its potentially damaging effects.
The UV Index reveals a distinct daily rhythm, peaking mid-morning to early afternoon. Starting off gentle at 2 at 07:00, it swiftly rises to a moderate 4 by 08:00. As the sun climbs higher, the UV Index escalates to 5 at 09:00, reaching its zenith of 8 from 11:00 to 12:00. During these hours, sun protection is strongly advised, as the intensity can lead to harmful effects on unprotected skin. Following the peak, the index declines gradually, falling to 6 at 14:00, and continuing to decrease to 1 by 18:00, signifying a safer period as daylight wanes. Keep these fluctuations in mind for optimal UV safety!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 4 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index exhibits significant seasonal changes that affect sun exposure risks. From January to February, the UV Index remains low (1-2), allowing for a safer outdoor experience with a burn time of up to 45 minutes. As spring approaches in March and April, the UV levels rise to moderate (4-5), shortening the safe exposure to 30 minutes. The onset of summer, particularly May through August, marks the period of highest risk, with UV Index values reaching 8 and a burn time plummeting to just 15 minutes—this is the time for extreme caution. Moving into fall, the Index decreases to moderate levels again in September and October, allowing for safer outdoor activities with a 30-minute burn time, before returning to lower levels by November and December (UV Index 1-2). Visitors and residents are strongly advised to take protective measures—such as sunscreen and protective clothing—especially during the high-risk months of May to August to minimize the risk of skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wulu Butie | 1 | 2 | 4 | 5 | 7 | 8 | 8 | 8 | 5 | 4 | 2 | 1 |
| Beijing UVI | 2 | 3 | 5 | 8 | 9 | 9 | 10 | 9 | 7 | 6 | 4 | 2 |
| Chengdu UVI | 5 | 6 | 8 | 10 | 12 | 11 | 11 | 10 | 11 | 8 | 6 | 4 |
| Shanghai UVI | 5 | 6 | 8 | 10 | 10 | 11 | 12 | 11 | 11 | 8 | 6 | 4 |
| Guangzhou UVI | 7 | 9 | 11 | 12 | 13 | 13 | 13 | 12 | 11 | 10 | 9 | 7 |
| Shenzhen UVI | 7 | 10 | 12 | 12 | 14 | 13 | 13 | 13 | 12 | 11 | 9 | 7 |