UV Index in Biratnagar, Nepal

Last updated: July 2, 2025

In Biratnagar, Nepal, being aware of the UV Index is crucial for safeguarding your skin and overall health. Understanding UV levels is vital as it helps prevent sunburn and long-term skin damage that can lead to serious conditions. Biratnagar, with its Cwa climate, typically experiences high UV exposure, especially during the peak hours of 10 AM to 1 PM, when the index reaches its maximum of 13. By staying informed about the UV Index, residents and visitors can take proactive measures, ensuring a safe and enjoyable experience under the sun.

Hourly UV Index in Biratnagar

The UV Index data throughout the day reveals a dynamic pattern of sun exposure. Starting at 07:00, the index is at a mild 3, but it quickly ramps up as the sun rises. By 09:00, it soars to 9, reaching its peak of 13 at 11:00, signaling the most intense solar radiation and a high risk of harm without protection. As the afternoon progresses, the index declines, dropping to 4 by 15:00, and continues to diminish to 0 by 19:00, making late evening safe for outdoor activities. For those planning outings, it’s clear that midday hours are best suited for caution and proper sun safety measures!

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
07:003moderate30 min
08:006high25 min
09:009very high15 min
10:0012extreme10 min
11:0013extreme10 min
12:0012extreme10 min
13:0010very high15 min
14:007high25 min
15:004moderate30 min
16:002low45 min
17:001low45 min
18:000low45 min
19:000low45 min

Monthly UV Index Trends in Biratnagar

As the seasons change, so do the levels of UV radiation, with notable increases in March through September. During this peak period, from June to August, the UV Index reaches extreme levels, peaking at 13 in July, indicating a high risk of harm from unprotected sun exposure. Visitors and residents should take extra precautions during these months by wearing protective clothing, applying sunscreen regularly, and seeking shade during midday hours. February and October also present moderate to high UV levels, advising continued sun safety awareness. In contrast, January and December see more moderate UV exposure, with longer burn times. Staying informed and vigilant about UV index changes throughout the year will help ensure safety while enjoying outdoor activities.

Monthly Maximum UV Index for Biratnagar, Nepal

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Biratnagar. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec56891011131212975
Data source: Statistical UV Index data for Biratnagar, 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 Biratnagar UV Index with Other Nepal Cities

The table above highlights how UV exposure in Biratnagar compares to other major locations across Nepal. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
Biratnagar's solar exposure compared to other cities in Nepal. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Biratnagar56891011131212975
Birganj UVI568101012131211975
Patan UVI5791111131413121075
Kathmandu UVI5791111131413121075
Pokhara UVI79121314151515141286