UV Index in Hat Yai, Thailand

Last updated: July 2, 2025

In Hat Yai, Thailand, understanding the UV Index is crucial for protecting your skin against harmful ultraviolet rays. With its tropical climate, this vibrant city experiences high UV levels, especially during midday hours, making awareness essential for sunburn prevention and overall skin health. On sunny days, the UV Index can soar to levels as high as 13 around noon, posing significant risks even with short exposure. By staying informed about local UV levels, residents and visitors can take proactive measures to shield themselves from damage and enjoy all that Hat Yai has to offer safely.

Hourly UV Index in Hat Yai

The UV Index for the day showcases a stark rise in intensity as the hours progress. Starting early at 07:00 with a mild reading of 1, it quickly escalates by 10:00 to a noteworthy 8, peaking at 12:00 with an impressive 13. The midday sun is relentless, reaching its zenith at 11:00, clocking in at an intense 11. As the afternoon rolls in, values begin to decline; a gradual drop to 10 by 14:00 signals the end of peak UV exposure. The late afternoon brings further relief, with readings falling to 4 by 16:00, eventually tapering off to 1 by 17:00 and beyond. As the sun sets, the UV index fades out, with 19:00 seeing a complete drop to 0. Stay safe and sun-smart during those 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	1	low	45 min
08:00	2	low	45 min
09:00	5	moderate	30 min
10:00	8	very high	15 min
11:00	11	extreme	10 min
12:00	13	extreme	10 min
13:00	12	extreme	10 min
14:00	10	very high	15 min
15:00	7	high	25 min
16:00	4	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 Hat Yai

Throughout the year, the UV Index remains consistently high, reaching extreme levels from January to November, with values peaking at 15 in March and April. The risk of skin damage is significant, as the burn time is consistently limited to just 10 minutes. The months of February, March, April, May, August, September, and October are particularly high-risk, maintaining UV Index scores of 14 or higher. Residents and visitors are strongly advised to take precautions during these months, such as wearing protective clothing, using broad-spectrum sunscreen, and seeking shade whenever possible. Staying vigilant about UV exposure is essential to protect skin health year-round.

Monthly Maximum UV Index for Hat Yai, Thailand

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

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

Hat Yai's solar exposure compared to other cities in Thailand. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Mueang Nonthaburi UVI	10	12	14	13	14	13	14	14	13	12	9	8
Samut Prakan UVI	10	12	14	13	14	13	14	14	13	12	9	8
Bangkok UVI	10	12	14	13	14	13	14	14	13	12	9	8
Udon Thani UVI	9	11	13	14	14	13	14	14	14	12	10	9
Chon Buri UVI	10	13	14	14	14	13	14	14	13	13	10	9
Hat Yai	12	14	15	15	14	13	13	14	14	14	12	11