UV Index in Casa Blanca, Peru

Last updated: May 3, 2025

In Casa Blanca, Peru, awareness of the UV Index is crucial for maintaining skin health and preventing sunburns. With the region's BWh climate offering abundant sunshine, understanding daily UV levels can help residents and visitors shield themselves from harmful rays, particularly during peak hours. Notably, the UV Index climbs to as high as 11 between 11:00 AM and 1:00 PM, indicating an urgent need for protection. By staying informed, you can better enjoy the outdoors while safeguarding your skin against UV-related damage.

Hourly UV Index in Casa Blanca

At 7:00 AM, the UV Index begins its climb with a gentle 1, slowly rising to 2 by 8:00 AM. As the sun gains strength, it peaks at an impressive 11 between 11:00 AM and 12:00 PM, marking the height of midday intensity. Just after noon, the index slightly dips to 10 at 1:00 PM, then gradually falls through the afternoon—dropping to 4 by 3:00 PM. As the day wanes, the UV Index continues its descent, reaching 2 at 4:00 PM, and finally settling to 1 at 5:00 PM. By 6:00 PM, it's a safe 0, with no UV exposure anticipated for the evening. This pattern highlights the essential need for sun protection during midday hours when the UV levels are at their highest.

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	2	low	45 min
09:00	5	moderate	30 min
10:00	8	very high	15 min
11:00	11	extreme	10 min
12:00	11	extreme	10 min
13:00	10	very high	15 min
14:00	8	very high	15 min
15:00	4	moderate	30 min
16:00	2	low	45 min
17:00	1	low	45 min
18:00	0	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Casa Blanca

The UV Index shows significant seasonal variation, with extreme levels persisting from January to April and notable spikes returning in the fall months of September, October, and November. The high-risk months (with a UV Index of 15 or higher) are January through April and November, indicating a consistent risk for sunburn with a burn time as short as 10 minutes during these periods. Even in the summer months of June through August, options remain elevated but shift slightly to very high, allowing a slightly longer exposure of 15 minutes in June before returning to a 10-minute burn time. Visitors and residents should exercise caution, particularly during high UV Index periods, by wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak hours to minimize skin damage and health risks.

Monthly Maximum UV Index for Casa Blanca, Peru

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

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

Casa Blanca's solar exposure compared to other cities in Peru. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Callao UVI	14	14	14	12	10	9	10	11	12	13	14	13
Lima UVI	14	14	14	12	10	9	10	11	12	13	14	13
Trujillo UVI	15	15	15	14	12	11	11	11	13	14	14	14
Chiclayo UVI	14	15	15	14	13	11	11	12	15	14	14	13
Casa Blanca	15	16	15	14	11	10	11	12	14	15	16	15
Arequipa UVI	18	17	17	15	12	10	11	13	15	17	18	17