UV Index in Sai Buri, Thailand

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in Sai Buri, Thailand, as it provides vital information about sun exposure risks throughout the day. With its tropical climate, Sai Buri experiences high UV levels, particularly around midday when the index can reach a maximum of 13. Awareness of UV levels is essential for preventing sunburn and protecting skin health, making it important to plan outdoor activities accordingly. By staying informed about daily UV fluctuations—from a relatively safe 1 in the early morning to a hazardous 11 at noon—you can enjoy the beautiful weather while safeguarding your skin against harmful effects.

Hourly UV Index in Sai Buri

As the sun rises, the UV Index begins its gradual ascent, hitting a mild 1 by 7:00 AM. The intensity grows steadily, reaching 2 by 8:00 AM and then surging to 5 at 9:00 AM. By 10:00 AM, the index peaks at a robust 8, warning of increasing exposure risk. 11:00 AM sees the UV rays intensify to an impressive 11, leading to a maximum of 13 at 12:00 PM, making it critical to stay protected. The afternoon sun starts to mellow out, dropping to 12 by 1:00 PM, then gradually tapering off to 10 at 2:00 PM, 6 at 3:00 PM, and further declining to 3 at 4:00 PM. Finally, as evening descends, the index falls to 1 by 5:00 PM and remains at that level through 6:00 PM, until fading to 0 after sunset at 7:00 PM. Stay vigilant and shield yourself during those peak midday 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	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 Sai Buri

The UV Index throughout the year remains consistently high, with extreme exposure categories dominating every month. The peak months for UV exposure are from March to May, when the index reaches its highest at 16 in March, followed closely by April at 15. Visitors and residents should exercise caution during these months and be proactive in protecting their skin. All months have a burn time of only 10 minutes, necessitating the use of sunscreen, protective clothing, and hats. As a reminder, even in the cooler months, such as November and December, the UV levels remain significant, so outdoor activities should be approached with care year-round.

Monthly Maximum UV Index for Sai Buri, Thailand

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

The table above highlights how UV exposure in Sai Buri 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.

Sai Buri'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
Sai Buri	12	14	16	15	14	13	13	14	14	14	12	12