UV Index in San Antonio, Belize

Last updated: June 2, 2025

In San Antonio, Belize, staying informed about the UV Index is crucial for safeguarding your skin health and minimizing the risks of sunburn. Understanding UV levels helps you make informed decisions about outdoor activities, enabling you to enjoy the sun while protecting yourself from damaging rays. With a tropical climate that exposes residents and visitors to heightened UV risks, especially during peak hours when the index can soar to 13, being aware of the UV Index is essential. Whether you're lounging by the beach or exploring local attractions, keeping an eye on UV levels can help you enjoy the bright, sunny days safely.

Hourly UV Index in San Antonio

The UV Index today offers a dynamic spectrum of sun intensity throughout the day. Starting off mild at 7:00 AM with a value of 2, the index climbs steadily as the sun ascends, peaking at a striking 13 between 11:00 AM and 12:00 PM. During these hours, it’s crucial to seek shade or apply sunscreen to protect your skin. The intensity then wanes from the early afternoon, dropping to 6 by 3:00 PM, and gradually dissipating to a calm 1 by 5:00 PM, where it hangs until sunset. Clearly, planning outdoor activities around the midday peak can help you enjoy the sunshine while staying safe!

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	2	low	45 min
08:00	4	moderate	30 min
09:00	7	high	25 min
10:00	10	very high	15 min
11:00	13	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 San Antonio

The UV Index displays significant seasonal changes, with the highest readings occurring from February to August, where the index frequently reaches 12 to 14, categorizing it as extreme. Visitors and residents should be especially cautious during these months, as the burn time is as little as 10 minutes. Notably, March, April, May, and August are particularly high-risk months, calling for vigilant sun protection measures. As the summer months transition to fall, the UV Index decreases, dropping to 10 in November and 9 in December, which are categorized as very high, allowing for slightly longer exposure times of 15 minutes. Throughout the year, it's essential to prioritize sun safety, especially during the peak months of February through August.

Monthly Maximum UV Index for San Antonio, Belize

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

The table above highlights how UV exposure in San Antonio compares to other major locations across Belize. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

San Antonio's solar exposure compared to other cities in Belize. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Orange Walk UVI	9	11	13	14	13	13	13	13	13	12	9	8
San Pedro UVI	9	11	13	14	13	13	13	13	13	12	9	8
Belize City UVI	9	11	13	14	13	13	13	13	13	12	9	8
San Ignacio UVI	9	11	13	14	13	13	13	13	13	12	9	8
Belmopan UVI	9	11	13	14	13	13	13	14	13	12	9	8
San Antonio	10	12	14	14	14	13	13	14	13	12	10	9