UV Index in San Javier, Uruguay

Last updated: August 1, 2025

In San Javier, Uruguay, being aware of the UV Index is crucial for protecting your skin and overall health. With high UV levels typically peaking around midday due to the region's Cfa climate, understanding these readings can help you prevent painful sunburns and reduce long-term skin damage. During peak hours from noon to 2 PM, when the UV Index reaches levels of 4, it’s essential to take precautions like wearing sunscreen and protective clothing. By staying informed about the UV exposure risks in San Javier, you can enjoy the beautiful outdoors while safeguarding your skin's health.

Hourly UV Index in San Javier

The UV Index skyrockets as the sun climbs higher, peaking at 12:00 PM with a level of 4, indicating a moderate risk of harm from unprotected sun exposure. As the daylight progresses, 07:00 starts at a cool 0, gradually rising to 1 by 08:00 and 09:00. By 10:00, it hits 2, and by 11:00, it reaches 3, setting the stage for that midday high. Later in the afternoon, from 12:00 to 14:00, the index maintains its strength at 4, before gently tapering off as the sun begins to set. By 19:00, it’s back to 0, marking the end of a sun-filled day. Stay protected during those 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	0	low	45 min
08:00	1	low	45 min
09:00	2	low	45 min
10:00	3	moderate	30 min
11:00	5	moderate	30 min
12:00	6	high	25 min
13:00	6	high	25 min
14:00	5	moderate	30 min
15:00	4	moderate	30 min
16:00	2	low	45 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 Javier

The UV Index shows significant seasonal changes in sun exposure, with high-risk months occurring from January to April and during October to November. The UV Index peaks at 15 in January and gradually decreases to 4 by July before rising again. Notably, from January to March, the exposure category remains in the extreme range, with a quick burn time of only 10 minutes. In contrast, May and June experience a moderate index, allowing for longer safe exposure times of 30 minutes. Visitors and residents should take extra precautions during high-risk months, including wearing sunscreen, seeking shade, and wearing protective clothing, especially when the index is at its peak.

Monthly Maximum UV Index for San Javier, Uruguay

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

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

San Javier's solar exposure compared to other cities in Uruguay. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Las Piedras UVI	14	13	11	7	5	3	4	6	8	10	13	14
Montevideo UVI	14	13	11	7	5	3	4	6	8	10	13	14
San Javier	15	13	11	8	5	4	4	6	8	11	13	14
Paysandu UVI	15	13	11	8	5	4	4	6	8	11	13	14
Salto UVI	15	13	12	8	5	4	5	6	9	11	13	14
Rivera UVI	15	14	12	9	5	4	5	7	9	12	14	15