UV Index in Mongar, Bhutan

Last updated: July 2, 2025

Understanding the UV Index is crucial for the residents and visitors of Mongar, Bhutan, where the beautiful yet intense sun can pose significant health risks. A high UV Index indicates an increased potential for sunburn and long-term skin damage, making it essential to stay informed about daily UV levels. Mongar's climate, characterized as Cwa, boasts warm summers and intense sunshine, leading to peak UV exposure around noon when values soar to a staggering 15. By keeping an eye on the UV Index, you can take proactive steps to protect your skin and enjoy the stunning landscapes safely.

Hourly UV Index in Mongar

The UV Index reveals a striking pattern throughout the day, peaking dramatically at 12:00 PM with a high of 15, indicating an extreme level of ultraviolet exposure. As the sun rises, the UV Index climbs steadily from 2 at 7:00 AM to a formidable 11 by 10:00 AM. The intensity continues to escalate, reaching its zenith just after noon, before gradually descending in the afternoon. By 3:00 PM, it drops to 7, and a steady decline follows, winding down to 0 by 7:00 PM. This data underscores the importance of sun safety measures, particularly during the mid-day hours when UV exposure is at its most perilous.

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	2	low	45 min
08:00	4	moderate	30 min
09:00	8	very high	15 min
10:00	11	extreme	10 min
11:00	14	extreme	10 min
12:00	15	extreme	10 min
13:00	13	extreme	10 min
14:00	10	very high	15 min
15:00	7	high	25 min
16:00	4	moderate	30 min
17:00	2	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Mongar

The UV Index demonstrates significant seasonal variations that impact sun exposure and the risk of skin damage throughout the year. High-risk months include March through September, where the UV Index frequently reaches extreme levels of 12 to 15, indicating a burn time of just 10 minutes for unprotected skin. Notably, July and August present the highest UV levels, making sun protection crucial. In contrast, the risk decreases in the winter months of January and December, where the UV Index drops to 6, allowing for longer exposure times of 25 minutes. Visitors and residents are advised to utilize sunscreen, seek shade, and wear protective clothing, especially during the high-risk months, to minimize the potential for skin damage.

Monthly Maximum UV Index for Mongar, Bhutan

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

The table above highlights how UV exposure in Mongar compares to other major locations across Bhutan. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Mongar's solar exposure compared to other cities in Bhutan. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Phuntsholing UVI	5	7	9	10	11	13	14	13	12	10	8	6
Mongar	6	8	9	12	13	14	15	14	12	10	8	6
Pemagatshel UVI	6	8	10	13	13	14	15	14	13	11	8	6
Tsirang UVI	6	9	10	12	13	14	15	14	13	11	8	6
Punakha UVI	8	10	12	14	15	15	16	15	14	11	9	6
Thimphu UVI	8	10	13	14	16	16	16	15	14	12	9	7