Last updated: July 2, 2025
Understanding the UV Index is essential for residents of Rizal, Philippines, where the tropical Am climate can lead to high levels of ultraviolet radiation. With peak UV Index values soaring to 15 around noon, awareness of these levels can significantly aid in sunburn prevention and promote long-term skin health. As the sun's intensity escalates throughout the morning and peaks sharply in the afternoon, recognizing when to seek shade or apply sunscreen is crucial in safeguarding against harmful UV exposure. Stay informed and protect your skin while enjoying the vibrant outdoor life Rizal has to offer!
At sunrise, the UV Index starts at a mild 2 at 07:00, gradually climbing to 4 by 08:00. As the sun rises higher, the intensity peaks sharply at 15 around 12:00, marking the day’s highest UV exposure. The heat continues until about 13:00, when it dips slightly to 13, before tapering off to 10 by 14:00. Later in the afternoon, the UV Index significantly decreases to 6 at 15:00 and sinks to 3 by 16:00. By 17:00, it drops further to 1, and the sun sets, leaving the UV Index at a safe 0 by 19:00. It’s crucial to take precautions during those peak hours, especially between 10:00 and 14:00 when UV radiation is strongest.
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 | 11 | extreme | 10 min |
11:00 | 14 | extreme | 10 min |
12:00 | 15 | extreme | 10 min |
13:00 | 13 | extreme | 10 min |
14:00 | 10 | very high | 15 min |
15:00 | 6 | high | 25 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 |
Throughout the year, the UV Index exhibits extreme levels from January to October, with the highest values recorded from April through August, where the index peaks at 15. March, April, July, and August are particularly high-risk months, with consistent burn times of just 10 minutes. This indicates that individuals are at significant risk of skin damage during these periods. As such, residents and visitors should take precautionary measures, including wearing protective clothing, applying high-SPF sunscreen, and seeking shade during peak sunlight hours. In contrast, November shows a slight decrease in risk, with a UV Index of 11, while December has a very high level of 9, allowing for a slightly longer burn time of 15 minutes. Awareness and preparation are crucial for enjoying outdoor activities safely during these intense UV periods.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Caloocan City UVI | 11 | 13 | 15 | 15 | 13 | 14 | 13 | 14 | 14 | 13 | 10 | 10 |
Quezon City UVI | 11 | 13 | 15 | 15 | 13 | 14 | 13 | 14 | 14 | 13 | 10 | 10 |
Manila UVI | 11 | 13 | 14 | 14 | 13 | 13 | 13 | 14 | 14 | 13 | 10 | 10 |
Rizal | 11 | 13 | 14 | 15 | 14 | 14 | 15 | 15 | 14 | 13 | 11 | 9 |
Budta UVI | 13 | 15 | 16 | 16 | 14 | 13 | 14 | 14 | 15 | 14 | 13 | 11 |
Davao UVI | 13 | 15 | 16 | 15 | 15 | 13 | 14 | 14 | 15 | 14 | 13 | 11 |