UV Index in Hua Sai, Thailand

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents and visitors in Hua Sai, Thailand, where the sun's intensity can pose significant risks to skin health. The UV Index provides valuable information on the level of ultraviolet radiation, helping you take preventative measures against sunburn and long-term skin damage. Given Hua Sai's tropical climate, visitors often underestimate the potential for high UV exposure, particularly between 10:00 AM and 2:00 PM, when the index peaks at a striking 14. Staying informed about UV levels is essential for enjoying the outdoors safely and maintaining healthy skin in this vibrant region.

Hourly UV Index in Hua Sai

The UV Index throughout the day presents a dynamic range of exposure, peaking dramatically at 12:00 PM with a significant index of 14. Starting low at 07:00 AM with a mild 1, the index steadily rises to 6 by 09:00 AM, reaching a robust 9 at 10:00 AM. The intensity continues to escalate, hitting a maximum of 13 at both 11:00 AM and 1:00 PM, where sun safety becomes crucial. As the afternoon progresses, the intensity begins to decline, dropping to 7 by 3:00 PM and tapering off swiftly to 1 by 5:00 PM, eventually reaching zero by 7:00 PM. It's a vivid reminder of the sun's power, with the midday hours requiring vigilant protection against UV exposure.

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	9	very high	15 min
11:00	13	extreme	10 min
12:00	14	extreme	10 min
13:00	13	extreme	10 min
14:00	11	extreme	10 min
15:00	7	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 Hua Sai

Throughout the year, UV Index levels demonstrate a consistent pattern of extreme exposure, particularly from January to October, where the index consistently ranges between 11 and 16. The high-risk months for UV exposure are from January to May, with March peaking at an index of 16. Although the intensity slightly diminishes in the summer months, June through August maintain high levels at 13 to 14. Visitors and residents should be particularly vigilant during these months, ensuring to limit sun exposure, wear protective clothing, and apply sunscreen every 10 minutes to prevent harmful effects. With the UV Index remaining high into the fall, it remains crucial to prioritize sun safety year-round.

Monthly Maximum UV Index for Hua Sai, Thailand

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

The table above highlights how UV exposure in Hua Sai 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.

Hua Sai'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
Hua Sai	12	14	16	15	14	13	13	14	14	14	12	11