UV Index in Hot, Thailand

Last updated: July 2, 2025

In Hot, Thailand, being aware of the UV Index is crucial for anyone enjoying the sun-soaked lifestyle of this vibrant region. With the UV levels soaring, particularly between 10 AM and 2 PM, understanding these measurements can help prevent sunburn and protect your skin health—especially for residents and tourists alike who may underestimate the intensity. The tropical climate's consistency poses greater risks of overexposure, making it essential to stay informed and take necessary precautions against the harmful effects of UV radiation, particularly during those peak hours when the index hits a staggering 15. Embrace the sun safely!

Hourly UV Index in Hot

As the sun rises, the UV Index begins to climb, reaching a modest 1 at 07:00. By 08:00, it triples to 3, but the real intensity starts around 09:00 when it spikes to 6. The peak arrives at 12:00, boasting a scorching 15, making it crucial for sun protection. The intensity gradually fades after 13:00 with 14, then 12 at 14:00. By late afternoon, at 15:00, it dips to 9, and the day winds down with readings of 5 at 16:00, 2 at 17:00, and finally settling back to 1 by 18:00. The day closes with no UV risk at 19:00, a gentle reminder of the sun's daily journey and the importance of sun safety during 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	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	15	extreme	10 min
13:00	14	extreme	10 min
14:00	12	extreme	10 min
15:00	9	very high	15 min
16:00	5	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 Hot

The UV Index experiences significant seasonal fluctuations, reaching its peak during the warmer months from March through October, where it consistently falls into the extreme category. Notably, the high-risk months are February through October, with values soaring up to 15 in May, July, and August, indicating a severe risk of harm from unprotected sun exposure. During these months, the burn time is notably short at just 10 minutes, emphasizing the need for protective measures. Residents and visitors are strongly advised to wear sunscreen, protective clothing, and seek shade during peak hours to mitigate the harmful effects of UV radiation. As a reminder, even in cooler months like January and February, the UV Index remains high, necessitating vigilant sun safety practices year-round.

Monthly Maximum UV Index for Hot, Thailand

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

The table above highlights how UV exposure in Hot 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.

Hot'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
Hot	10	11	14	14	15	14	15	15	14	13	10	9