UV Index in Lahan, Nepal

Last updated: July 2, 2025

Understanding the UV Index in Lahan, Nepal, is crucial for protecting your skin and overall health from harmful ultraviolet radiation. With UV levels peaking between 10:00 AM and 1:00 PM, reaching a maximum of 13, it's essential to be aware of when to limit your sun exposure to avoid painful sunburns and long-term skin damage. The climate in Lahan, characterized as Cwa, means that while the summers can bring intense sunlight, it also presents unique UV exposure risks. By staying informed about daily UV levels, you can take proactive measures to keep your skin safe while enjoying the beautiful outdoors.

Hourly UV Index in Lahan

As the day unfolds, the UV Index follows a dynamic trajectory, peaking around midday. Starting from a low of 3 at 07:00, the intensity escalates sharply, reaching 6 by 08:00. The sun's rays become increasingly potent, surging to a striking 12 at 10:00 and hitting a maximum of 13 between 11:00 and 12:00. After this zenith, the index begins its graceful descent, dipping to 11 by 13:00, then dropping further to 7 at 14:00. By mid-afternoon, the intensity wanes significantly, landing at 4 by 15:00 and continuing to decline to 1 by 17:00. As the sun sets, the UV Index finally settles at 0 by 18:00, indicating a gentle end to the day’s solar intensity. Be sure to take precautions during peak hours to safeguard your skin!

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	11	extreme	10 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	0	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Lahan

Throughout the year, the UV Index displays significant seasonal variations, with high-risk months primarily occurring from March to September. During these months, the UV Index reaches levels classified as very high to extreme, with peak values of 13 in July and 12 from June to September. Consequently, during these times, the recommended burn time drastically decreases, ranging from 10 minutes in the most intense periods to 15 minutes in late autumn. Visitors and residents are advised to take necessary precautions, such as wearing sunscreen, protective clothing, and wide-brimmed hats, particularly during midday hours when UV radiation is strongest. Awareness and proactive measures can help prevent skin damage and associated health risks throughout the year.

Monthly Maximum UV Index for Lahan, Nepal

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Lahan. 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 Lahan, 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 Lahan UV Index with Other Nepal Cities

The table above highlights how UV exposure in Lahan 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.

Lahan'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
Lahan	5	6	8	10	10	12	13	12	12	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