UV Index in Trashigang, Bhutan

Last updated: August 1, 2025

In Trashigang, Bhutan, being aware of the UV Index is crucial for safeguarding your skin health under the bright Himalayan sun. Understanding UV levels not only helps prevent painful sunburns but also plays a vital role in reducing the risk of long-term skin damage. With a Cwb climate that brings intense sunlight, especially during midday hours where UV Index values can soar to 15, it's essential for residents and visitors alike to stay informed about the daily UV exposure risks. Embracing this knowledge empowers everyone to enjoy the outdoors while taking the necessary precautions to protect their skin.

Hourly UV Index in Trashigang

As the sun climbs higher in the sky, the UV Index sees a dramatic rise throughout the morning and early afternoon. Starting at a mild 2 at 07:00, it quickly escalates, reaching a peak of 15 by 12:00. The intensity remains strong, with 14 at 13:00 before gradually tapering off. By 15:00, the index dips to 7, continuing its descent through the evening, falling to 1 by 18:00 and dropping to 0 as the sun sets at 19:00. It's crucial to stay protected from the rays during those peak hours, especially when the UV reaches the alarming levels of 12 to 15!

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	7	high	25 min
10:00	11	extreme	10 min
11:00	14	extreme	10 min
12:00	14	extreme	10 min
13:00	13	extreme	10 min
14:00	10	very high	15 min
15:00	6	high	25 min
16:00	3	moderate	30 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Trashigang

Throughout the year, UV Index values demonstrate significant seasonal variation, with the highest risk months occurring from April to October. During this period, UV Index levels reach extreme heights, peaking at 15 in July. Residents and visitors must be particularly cautious as burn times decrease, with only 10 minutes of sun exposure recommended during these months to avoid skin damage. February and November are also notable, classified as very high, with burn times of 15 minutes. In contrast, January and December present lower risk levels, with high UV Index ratings of 6 and longer burn times of 25 minutes. Regardless of the time of year, it's essential for everyone to protect their skin by using sunscreen, wearing protective clothing, and seeking shade, especially during peak UV hours.

Monthly Maximum UV Index for Trashigang, Bhutan

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

The table above highlights how UV exposure in Trashigang 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.

Trashigang'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
Trashigang	6	8	10	13	13	14	15	14	13	11	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