Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of Port-Olry, Vanuatu, where the tropical climate delivers abundant sunshine year-round. As UV levels can soar to a maximum of 10 during midday hours, being aware of these fluctuations helps in preventing sunburn and protecting your skin health. With risks peaking from 10 AM to 1 PM, it's important to take necessary precautions against overexposure. By staying informed about the UV Index, you can enjoy the beautiful sandy beaches and vibrant outdoor activities while safeguarding yourself from harmful ultraviolet rays.
As the day unfolds, the UV Index experiences a notable rise, peaking at a maximum of 10 between 11:00 AM and 12:00 PM, indicating a high risk of harm from unprotected sun exposure. Early morning rays see the index start modestly at 1 at 07:00, gradually climbing to 4 by 09:00. The sun reaches its zenith at noon, prompting a cautious approach to outdoor activities. From 1:00 PM, the index begins a gradual decline, tapering to 4 by 3:00 PM, and reverting to safer levels below 2 by 4:00 PM. As daylight wanes, the index drops to 0 after 6:00 PM, signaling that the sun's intensity has fully subsided. Remember to stay sun-safe during peak hours!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 2 | low | 45 min |
09:00 | 4 | moderate | 30 min |
10:00 | 7 | high | 25 min |
11:00 | 10 | very high | 15 min |
12:00 | 10 | very high | 15 min |
13:00 | 9 | very high | 15 min |
14:00 | 7 | high | 25 min |
15:00 | 4 | moderate | 30 min |
16:00 | 2 | low | 45 min |
17:00 | 1 | low | 45 min |
18:00 | 0 | low | 45 min |
19:00 | 0 | low | 45 min |
Throughout the year, the UV Index experiences significant fluctuations, with the highest levels occurring from January to April, where the index remains consistently at 16 and classified as extreme, indicating a burn time of just 10 minutes. The risk remains notably high during the summer months, particularly in August, where the index peaks at 12, but it drops slightly in June and July to 9 and 10 respectively, categorized as very high with a burn time of 15 minutes. September through December sees a gradual decrease, maintaining an index between 14 and 15, still falling under the extreme category. Visitors and residents are strongly advised to take precautions during these high-risk months, particularly from January to April and again in August and September, by using ample sunscreen, wearing protective clothing, and seeking shade to prevent skin damage from intense UV exposure.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Isangel UVI | 16 | 16 | 15 | 12 | 9 | 7 | 9 | 10 | 12 | 13 | 14 | 16 |
Port-Vila UVI | 16 | 16 | 15 | 13 | 10 | 8 | 9 | 12 | 13 | 14 | 15 | 15 |
Norsup UVI | 16 | 16 | 16 | 13 | 11 | 8 | 10 | 12 | 13 | 15 | 14 | 15 |
Luganville UVI | 16 | 16 | 16 | 14 | 11 | 9 | 10 | 12 | 13 | 15 | 14 | 15 |
Port-Olry | 16 | 16 | 16 | 14 | 11 | 9 | 10 | 12 | 14 | 15 | 14 | 15 |