Last updated: July 2, 2025
Understanding the UV Index in Mawalgama, Sri Lanka is crucial for safeguarding your skin against potential damage from harmful ultraviolet rays. High UV levels, especially during midday hours, significantly increase the risk of sunburn, making it essential for residents and visitors alike to be aware of daily UV fluctuations. Mawalgama's tropical Af climate means prolonged sun exposure, particularly from 10 AM to 1 PM when the UV Index peaks at a remarkable 13. By staying informed about UV levels, you can better protect your skin health and enjoy the beautiful outdoor activities that this vibrant region has to offer!
The UV Index data throughout the day reveals a dynamic shift in sunlight intensity. Starting off at 07:00 with a low index of 2, the sun's rays gain strength, peaking at 10:00 with an intense 10. By 11:00 and 12:00, the UV Index reaches its maximum of 13, indicating a high risk for unprotected skin. As the afternoon progresses, the levels begin to decline, dropping to 8 by 14:00 and further to 4 by 15:00. As the sun starts to set, the index falls to 2 at 16:00, then swiftly diminishes to 1 at 17:00, finally returning to 0 by 18:00 and 19:00. This data underscores the importance of sun safety, especially during midday when the risk is greatest.
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 | 13 | extreme | 10 min |
12:00 | 13 | extreme | 10 min |
13:00 | 11 | extreme | 10 min |
14:00 | 8 | very high | 15 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, UV Index values maintain an extreme exposure category, with the highest readings occurring from February to April where it peaks at 15. The high-risk months, particularly March and April, highlight the need for caution, as exposure can lead to sunburn in just 10 minutes. Visitors and residents alike should take proactive measures during these months by seeking shade, wearing protective clothing, and applying sunscreen regularly. The UV Index decreases slightly in late autumn and winter, dropping to 11 in November and December, but vigilance is still recommended as the potential for skin damage remains significant throughout the year.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Jaffna UVI | 11 | 13 | 14 | 15 | 13 | 12 | 13 | 13 | 14 | 12 | 11 | 10 |
Moratuwa UVI | 11 | 13 | 14 | 15 | 14 | 12 | 13 | 14 | 14 | 13 | 11 | 10 |
Maharagama UVI | 11 | 13 | 14 | 15 | 14 | 12 | 13 | 14 | 14 | 13 | 11 | 10 |
Dehiwala-Mount Lavinia UVI | 12 | 13 | 14 | 15 | 14 | 12 | 13 | 14 | 14 | 13 | 11 | 10 |
Colombo UVI | 12 | 14 | 14 | 15 | 14 | 13 | 13 | 13 | 14 | 13 | 11 | 10 |
Mawalgama | 13 | 14 | 15 | 15 | 14 | 13 | 13 | 14 | 14 | 13 | 11 | 11 |