Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors in Jiufen, Taiwan, where the enchanting mountain village is often bathed in sunlight due to its Cfa climate. As you explore this picturesque locale, being aware of the UV levels helps prevent sunburn and maintains your skin health against the harmful effects of UV radiation. With UV Index values peaking at 12 around noon, Jiufen poses significant exposure risks, making it essential to plan outdoor activities wisely to ensure a safe and enjoyable experience. Stay informed and protect your skin while soaking in the beauty of this remarkable area!
At sunrise, the UV Index begins at a gentle 2 by 07:00, but as the sun rises higher, the intensity quickly escalates. By 09:00, it reaches a moderate 7, signaling outdoor enthusiasts to apply sunscreen. The peak comes at 11:00 and 12:00, where the index peaks at a striking 12, indicating very high levels of UV radiation. As the afternoon progresses, the index gradually decreases, dipping to 8 by 14:00 and further dropping to 5 by 15:00. In the late afternoon and evening, the UV Index retreats to 3 by 16:00, finally settling at 1 by 17:00 and fading to 0 after 19:00. This daily cycle highlights the importance of sun safety during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 7 | high | 25 min |
| 10:00 | 10 | very high | 15 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
As the seasons progress, the UV Index shows significant variations, particularly peaking during the summer months. From January to March, the UV Index rises from 7 to a striking 11, indicating high exposure risks. The high-risk months are notably from March through September, where the index remains at extreme levels of 11 to 13, resulting in a critical burn time of just 10 minutes. This trend highlights the importance of vigilant sun protection strategies. Residents and visitors are strongly advised to apply sunscreen, wear protective clothing, and seek shade during peak sun hours, especially from April to August, to minimize the dangers posed by high UV levels. After September, the UV Index gradually decreases, yet caution remains necessary until temperatures drop in November and December, where the index still reflects high exposure levels.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jiufen | 7 | 9 | 11 | 11 | 12 | 12 | 13 | 12 | 12 | 10 | 8 | 6 |
| Banqiao UVI | 7 | 9 | 11 | 11 | 12 | 12 | 13 | 12 | 12 | 10 | 8 | 6 |
| Taipei UVI | 7 | 9 | 11 | 11 | 12 | 12 | 13 | 12 | 12 | 10 | 8 | 6 |
| Tainan UVI | 8 | 10 | 13 | 12 | 13 | 13 | 13 | 13 | 12 | 10 | 10 | 7 |
| Taichung UVI | 8 | 10 | 12 | 12 | 13 | 13 | 13 | 13 | 12 | 10 | 9 | 7 |
| Kaohsiung UVI | 8 | 11 | 12 | 13 | 13 | 13 | 14 | 14 | 12 | 11 | 10 | 7 |