UV Index in Phitsanulok, Thailand

Last updated: July 2, 2025

In Phitsanulok, Thailand, understanding the UV Index is crucial for protecting your skin from harmful ultraviolet radiation. With the region's tropical Aw climate, the sun’s rays can be particularly intense, especially during midday hours when the UV Index peaks at an alarming 14. By keeping an eye on UV levels, you can take proactive steps to prevent sunburn and maintain long-term skin health. As the UV Index rises throughout the morning, reaching maximum levels from 11 AM to 1 PM, awareness becomes essential for outdoor activities, ensuring you and your loved ones can enjoy the vibrant sunshine safely.

Hourly UV Index in Phitsanulok

The UV Index begins its ascent at 7:00 AM, starting modestly at 1, but by 9:00 AM, it escalates to a more noticeable 6. The real surge occurs around 11:00 AM, peaking at an intense 12 and reaching its highest point of 14 by noon and 1:00 PM. As the afternoon progresses, the intensity starts to wane, dipping to 11 at 2:00 PM, and then gradually decreasing to 8 by 3:00 PM. As the sun sets, the UV levels drop swiftly, dropping to 4 at 4:00 PM, and ultimately retreating to a mere 1 by 6:00 PM and 0 by 7:00 PM. Throughout the day, it's clear to stay protected during those peak hours when the UV exposure could be most harmful.

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	12	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 Phitsanulok

The UV Index experiences notable seasonal changes, peaking during the summer months. From January to December, the UV Index transitions from 10 in January to a maximum of 14 from July to September, categorizing these summer months as having an extreme exposure level with a burn time of only 10 minutes. The high-risk months are February through October, where levels remain at 10 or higher, indicating a significant risk for skin damage. Residents and visitors should take precautions during these months by wearing protective clothing, applying sunscreen, and seeking shade to minimize exposure, particularly during midday hours when UV intensity is highest. With decreasing levels in November and December, the risk lowers, but vigilance is still recommended as UV levels remain very high.

Monthly Maximum UV Index for Phitsanulok, Thailand

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

The table above highlights how UV exposure in Phitsanulok 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.

Phitsanulok'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
Phitsanulok	10	11	12	13	13	13	14	14	14	12	10	8
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