UV Index in Cox's Bazar, Bangladesh

Last updated: June 2, 2025

In Cox's Bazar, Bangladesh, being aware of the UV Index is essential for safeguarding against skin damage and promoting overall skin health. Understanding UV levels is crucial not only for preventing painful sunburns but also for reducing long-term risks such as skin cancer. Given the region’s tropical climate, the UV Index can soar to high levels, particularly around midday, with readings peaking at 13 between 11:00 AM and 12:00 PM. This means that without proper protection, sun exposure can quickly become hazardous. Stay informed and protected to enjoy the stunning beaches of Cox's Bazar safely!

Hourly UV Index in Cox's Bazar

The UV Index throughout the day showcases a striking pattern of intensity, peaking sharply around 11:00 AM and 12:00 PM with a robust 13, signaling a high risk for sun exposure during these hours. Early morning starts gently at 2 at 7:00 AM, then steadily climbs, passing through moderate levels at 8:00 AM and 9:00 AM, before reaching a critical point with a 10 at 10:00 AM. Post-noon, the index gradually declines, dropping to 6 by 3:00 PM and further to a much safer 1 by the evening at 5:00 PM and 6:00 PM, where it ultimately settles at 0 by nightfall. To enjoy the sun while protecting your skin, plan outdoor activities early or enjoy them after the peak hours!

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
13:0012extreme10 min
14:009very high15 min
15:006high25 min
16:003moderate30 min
17:001low45 min
18:001low45 min
19:000low45 min

Monthly UV Index Trends in Cox's Bazar

Throughout the year, the UV Index exhibits significant seasonal fluctuations, peaking during the summer months. From January to February, there is a noticeable increase in UV levels, with February reaching a UV Index of 9 (very high) and a burn time of just 15 minutes. The risk intensifies from March through October, where the UV Index consistently remains in the extreme category (11-13), with a dangerously low burn time of 10 minutes during the peak months. July, August, and September see the highest UV ratings at 13, emphasizing the need for heightened caution. In contrast, November and December see a decline back to high levels, with UV indices of 8 and 7, respectively. Visitors and residents are strongly advised to take protective measures, such as using sunscreen, wearing protective clothing, and seeking shade, particularly from March to October, where exposure can lead to severe sunburn in mere minutes. Stay informed and prioritize sun safety during these high-risk months!

Monthly Maximum UV Index for Cox's Bazar, Bangladesh

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Cox's Bazar. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec79111112131313131187
Data source: Statistical UV Index data for Cox's Bazar, 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 Cox's Bazar UV Index with Other Bangladesh Cities

The table above highlights how UV exposure in Cox's Bazar compares to other major locations across Bangladesh. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
Cox's Bazar's solar exposure compared to other cities in Bangladesh. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Rajshahi UVI578910121313121075
Dhaka UVI579912131313121176
Comilla UVI6791012131313121086
Khulna UVI5791013131314121186
Chattogram UVI68101012131313121186
Cox's Bazar79111112131313131187