UV Index in So Phisai, Thailand

Last updated: July 2, 2025

In So Phisai, Thailand, being aware of the UV Index is essential for cultivating healthy skin and preventing painful sunburns. Understanding UV levels helps residents and visitors alike protect themselves during the peak hours of sunlight, particularly when the index can soar to an intense 15 around midday. With a humid tropical climate characteristic of the Aw climate zone, So Phisai sees significant UV exposure year-round, making it crucial to stay informed and take proactive steps for sun safety. Knowing when to seek shade or apply sunscreen can make all the difference in enjoying the beautiful Thai sun while safeguarding your skin’s health.

Hourly UV Index in So Phisai

The UV Index shows a dramatic rise in solar intensity as the morning progresses. Starting at a mere 1 at 07:00, the index climbs steadily, reaching a peak of 15 by noon. As the sun reaches its zenith, from 11:00 to 13:00, it's crucial to take precautions against harmful UV rays, particularly when the index hits 13 and 14. However, relief comes in the afternoon as it begins to dip to 11 at 14:00, eventually dropping to 4 by 16:00 and plummeting to 0 by 19:00. This data highlights the importance of sun safety during the height of the day, especially when the UV Index is at its highest. Stay sun-smart!

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	7	high	25 min
10:00	10	very high	15 min
11:00	13	extreme	10 min
12:00	15	extreme	10 min
13:00	14	extreme	10 min
14:00	11	extreme	10 min
15:00	7	high	25 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 So Phisai

During the year, UV index levels exhibit significant seasonal changes, with the highest readings occurring in the spring and summer months. The months of February through October are particularly critical, displaying extreme UV levels where the burn time averages just 10 minutes. Notably, July reaches the peak UV index of 15, categorizing it as one of the highest risk months alongside March, April, May, August, and September. Residents and visitors are strongly advised to take precautions during these high-risk months by seeking shade, wearing protective clothing, and applying broad-spectrum sunscreen to reduce sunburn and long-term skin damage. As the year progresses into November and December, the UV index decreases to very high, but caution is still warranted as the burn time increases slightly.

Monthly Maximum UV Index for So Phisai, Thailand

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

The table above highlights how UV exposure in So Phisai 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.

So Phisai'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
So Phisai	9	11	14	14	14	13	15	14	14	12	10	9
Chon Buri UVI	10	13	14	14	14	13	14	14	13	13	10	9