UV Index in Gasa, Bhutan

Last updated: July 2, 2025

Understanding the UV Index in Gasa, Bhutan is crucial for protecting your skin and overall health, especially in this high-altitude region where sunlight is intense. With UV levels peaking at a striking 17 during midday, it's vital to be aware of potential risks like sunburn and long-term skin damage. Gasa's unique ET climate not only boasts stunning landscapes but also poses significant exposure risks during certain hours. By staying informed about the UV Index, you can take proactive steps to enjoy the outdoors safely while preserving your skin health.

Hourly UV Index in Gasa

The UV Index today presents an exciting journey of sun exposure! Starting low at 2 at 07:00, the index swiftly climbs, reaching 5 by 08:00. As the sun ascends, prepare for peak intensity at 12:00, where it hits a sizzling 17. The afternoon still holds considerable strength, with values of 16 at 13:00 and 13 at 14:00. As the day winds down, the index gently descends, falling to 9 by 15:00, before tapering off to 2 at 17:00 and settling at 1 by 18:00. Finally, it dwindles to 0 by 19:00, marking a retreat from the midday sun’s potent rays. Be sure to protect your skin during the peak hours!

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	5	moderate	30 min
09:00	9	very high	15 min
10:00	13	extreme	10 min
11:00	16	extreme	10 min
12:00	17	extreme	10 min
13:00	16	extreme	10 min
14:00	13	extreme	10 min
15:00	9	very high	15 min
16:00	5	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 Gasa

The seasonal UV changes in this region reveal a notable peak from February to September, where the UV Index consistently remains in the extreme category, reaching a high of 17 during the summer months. January and December are relatively lower in UV exposure, categorized as very high with a UV Index of 9 and 8, respectively, allowing for a slightly longer burn time of 15 minutes. The high-risk months are predominantly from February through October, with March to August being particularly critical where the burn time is reduced to just 10 minutes. Residents and visitors are strongly advised to take appropriate precautions during these months, such as wearing protective clothing, using broad-spectrum sunscreen, and seeking shade during peak sun hours to minimize the risk of harmful UV exposure.

Monthly Maximum UV Index for Gasa, Bhutan

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

The table above highlights how UV exposure in Gasa 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.

Gasa'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
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
Gasa	9	11	15	17	17	17	17	16	15	12	11	8