UV Index in Phongsali, Laos

Last updated: August 1, 2025

In Phongsali, Laos, awareness of the UV Index is crucial for protecting your health against harmful sun exposure. Understanding UV levels not only helps prevent painful sunburns but also plays a vital role in maintaining long-term skin health. With its Cwa climate, Phongsali experiences varied UV exposure throughout the day, peaking between 11:00 AM and 1:00 PM, when the UV Index can reach alarming levels of 15. Being informed about these UV risks allows residents and visitors alike to take necessary precautions and enjoy the stunning natural beauty of this serene region safely.

Hourly UV Index in Phongsali

The UV Index throughout the day showcases a vibrant dance of sunlight intensity. Starting at a gentle 1 at 07:00, the rays begin to strengthen, peaking dramatically at 12:00 with a scorching 15. This midday sun reigns supreme, particularly at 11:00, where it reaches an impressive 13. As the afternoon unfolds, the intensity wanes, dropping to 8 by 15:00 and further descending to 4 by 16:00. As twilight approaches, the UV levels taper off, settling at 1 by 18:00 and finally retreating to 0 as night falls at 19:00. Remember to protect your skin during peak hours to enjoy the day safely!

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	1	low	45 min
08:00	3	moderate	30 min
09:00	6	high	25 min
10:00	10	very high	15 min
11:00	13	extreme	10 min
12:00	14	extreme	10 min
13:00	14	extreme	10 min
14:00	11	extreme	10 min
15:00	8	very high	15 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 Phongsali

The UV Index experiences significant fluctuations throughout the year, with very high to extreme levels predominantly occurring from March to November. The highest risk months are May and July, each registering a peak UV Index of 15, indicating a burn time of just 10 minutes. As such, it is crucial for both visitors and residents to take protective measures during these months, including wearing sunscreen, hats, and UV-blocking clothing, especially when outdoors for extended periods. Conversely, although the risk decreases from December to February with a return to very high levels, vigilance is still recommended, particularly in January and February when burn times remain short at 15 minutes. Staying informed and proactive about UV exposure can significantly reduce the risk of skin damage.

Monthly Maximum UV Index for Phongsali, Laos

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

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

Phongsali's solar exposure compared to other cities in Laos. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Phongsali	9	10	12	12	15	14	15	14	14	12	10	8
Luang Prabang UVI	9	11	13	13	14	14	15	15	14	13	10	8
Vientiane UVI	9	11	13	14	14	13	14	14	14	12	9	8
Thakhek UVI	9	11	13	15	14	13	15	14	14	12	10	9
Savannakhet UVI	10	12	14	14	14	13	15	14	14	12	10	9
Pakse UVI	10	13	14	15	14	13	15	14	14	12	10	9