UV Index in Janakpur, Nepal

Last updated: July 2, 2025

In Janakpur, Nepal, being aware of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels not only helps in preventing sunburns but also plays a vital role in maintaining long-term skin health. With Janakpur's Cwa climate, the sun can be particularly intense, especially during the peak hours from 10 AM to 1 PM, when UV indexes soar to levels of 12 and 13. By staying informed about these UV levels, residents and visitors can take necessary precautions to enjoy the sunny days while minimizing their risk of harmful UV exposure.

Hourly UV Index in Janakpur

The UV Index throughout the day exhibited a striking pattern of intensity. Starting at 07:00, it reached a modest 3, but quickly escalated to a soaring 13 by 11:00 and 12:00, marking the peak of solar intensity. At 10:00, the index hit an impressive 12, indicating that sun protection is crucial during these hours. As the afternoon progressed, the index began to decline markedly, dropping to 10 at 13:00, 7 at 14:00, and continuing its descent to a mere 0 by 19:00. This data highlights the importance of being mindful of sun exposure, especially during the mid-morning to early afternoon hours when UV radiation is at its highest.

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.
Time	UVI	Category	Time to Burn
07:00	3	moderate	30 min
08:00	6	high	25 min
09:00	9	very high	15 min
10:00	12	extreme	10 min
11:00	13	extreme	10 min
12:00	13	extreme	10 min
13:00	10	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	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Janakpur

Throughout the year, UV index levels experience notable fluctuations, with high-risk months identified from March to September when the UV Index reaches very high to extreme levels. Specifically, June and July see the peak UV Index at 13, indicating an extreme risk for harm from unprotected sun exposure, with a burn time as short as 10 minutes. As spring transitions into summer, residents and visitors should take precautionary measures, particularly during these critical months. It is advisable to limit sun exposure during peak hours, wear protective clothing, apply broad-spectrum sunscreen regularly, and seek shade whenever possible to reduce the risk of skin damage. As fall approaches, the UV levels gradually decrease, allowing for safer outdoor activities in October and November, where the burn time increases to 15 and 25 minutes, respectively.

Monthly Maximum UV Index for Janakpur, Nepal

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Janakpur. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.

Data source: Statistical UV Index data for Janakpur, 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 Janakpur UV Index with Other Nepal Cities

The table above highlights how UV exposure in Janakpur 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.

Janakpur's solar exposure compared to other cities in Nepal. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Biratnagar UVI	5	6	8	9	10	11	13	12	12	9	7	5
Birganj UVI	5	6	8	10	10	12	13	12	11	9	7	5
Janakpur	5	6	8	10	10	11	13	12	11	9	7	5
Patan UVI	5	7	9	11	11	13	14	13	12	10	7	5
Kathmandu UVI	5	7	9	11	11	13	14	13	12	10	7	5
Pokhara UVI	7	9	12	13	14	15	15	15	14	12	8	6