UV Index in Achham, Nepal

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents of Achham, Nepal, where the unique climate can lead to significant sun exposure. With UV levels peaking at 12 during midday, being aware of these fluctuations helps safeguard against sunburn and long-term skin health issues. Achham's high-altitude environment means that even on cloudy days, UV rays can still pose a risk, making it essential to stay informed. By monitoring the UV Index, you can enjoy the beautiful outdoors while protecting your skin from harmful effects.

Hourly UV Index in Achham

The UV Index throughout the day presents a clear picture of sun intensity, peaking impressively at 12 between 11:00 AM and 12:00 PM. Starting from a mild 3 at 7:00 AM, the index climbs steadily to reach a striking 11 by 10:00 AM, indicating a strong need for sun protection. As the sun is at its highest, the UVI holds steady, emphasizing the importance of staying in the shade or wearing sunscreen during these hours. By 1:00 PM, it begins to taper off, dropping to 10 before significantly declining to 4 by 3:00 PM and then dipping further through the evening. The day concludes with a low 0 at 7:00 PM, signifying that after a powerful midday sun, the UV exposure becomes negligible as the day winds down.

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	5	moderate	30 min
09:00	8	very high	15 min
10:00	11	extreme	10 min
11:00	12	extreme	10 min
12:00	12	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 Achham

Throughout the year, UV index levels exhibit significant variation, with the highest risk months being March through September. During these months, the UV index often reaches extreme levels, peaking in July with a UV index of 14 and a burn time of just 10 minutes. In contrast, January and February see a high UV index of 6 and 7, respectively, allowing for a longer exposure time of 25 minutes. As we transition into October, the risk decreases to a very high index of 9, before dropping to a moderate level of 5 in December. Residents and visitors are advised to take precautionary measures during high-risk months, especially between March and September, by wearing protective clothing, applying sunscreen regularly, and minimizing direct sun exposure during peak hours.

Monthly Maximum UV Index for Achham, Nepal

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

The table above highlights how UV exposure in Achham 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.

Achham'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
Achham	6	7	10	11	12	12	14	13	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