UV Index in Mawalgama, Sri Lanka

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!

Hourly UV Index in Mawalgama

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.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
TimeUVICategoryTime to Burn
07:002low45 min
08:004moderate30 min
09:007high25 min
10:0010very high15 min
11:0013extreme10 min
12:0013extreme10 min
13:0011extreme10 min
14:008very high15 min
15:004moderate30 min
16:002low45 min
17:001low45 min
18:000low45 min
19:000low45 min

Monthly UV Index Trends in Mawalgama

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.

Monthly Maximum UV Index for Mawalgama, Sri Lanka

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Mawalgama. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec131415151413131414131111
Data source: Statistical UV Index data for Mawalgama, based on information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

Compare Mawalgama UV Index with Other Sri Lanka Cities

The table above highlights how UV exposure in Mawalgama compares to other major locations across Sri Lanka. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
Mawalgama's solar exposure compared to other cities in Sri Lanka. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Jaffna UVI111314151312131314121110
Moratuwa UVI111314151412131414131110
Maharagama UVI111314151412131414131110
Dehiwala-Mount Lavinia UVI121314151412131414131110
Colombo UVI121414151413131314131110
Mawalgama131415151413131414131111