UV Index in Casa Grande, Peru

Last updated: May 3, 2025

Understanding the UV Index in Casa Grande, Peru is crucial for safeguarding your skin health in this sunny region. With a climate characterized by dry and warm BWh conditions, Casa Grande is prone to high UV exposure, especially during peak hours when indices soar up to 12. Awareness of UV levels not only helps in preventing sunburn but also plays a key role in long-term skin health by minimizing the risk of skin damage and other related conditions. Be proactive in protecting yourself and enjoy the sunshine safely by staying informed about daily UV fluctuations!

Hourly UV Index in Casa Grande

During the day, the UV Index experiences a significant surge, peaking at 12 between noon and 1 PM, indicating a high risk of harm from unprotected sun exposure. The morning starts off relatively mild, with values of 1 at 7 AM, increasing steadily to 5 by 9 AM. As the clock approaches 10 AM, the index climbs to 8, and by 11 AM, it reaches an intensity of 11. The sun’s power begins to wane after 1 PM, dropping to 9 at 2 PM and then declining further to 6 by 3 PM. The afternoon shadows bring relief as the UV Index dwindles to 3 at 4 PM and falls to 1 by 5 PM before finally settling at 0 post 6 PM. It’s crucial to stay protected during those peak hours, especially between 11 AM and 1 PM!

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	12	extreme	10 min
13:00	12	extreme	10 min
14:00	9	very high	15 min
15:00	6	high	25 min
16:00	3	moderate	30 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 Grande

Throughout the year, UV Index values reveal consistently extreme exposure levels, with the highest recorded in March at 16 and throughout the winter months at 15. Notably, January to April stand out as high-risk months due to their elevated UV levels, where a mere 10-minute exposure can lead to sunburn. Although the UV Index decreases slightly during May to August, it remains high, ranging from 11 to 13, suggesting caution is still warranted. As we transition into September to December, UV levels stabilize around 14, maintaining an extreme exposure category. Visitors and residents are strongly advised to take protective measures such as wearing sunscreen, protective clothing, and sunglasses year-round, particularly during these high-risk months to safeguard against harmful UV radiation.

Monthly Maximum UV Index for Casa Grande, Peru

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

The table above highlights how UV exposure in Casa Grande 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 Grande'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 Grande	15	15	16	15	13	11	11	12	14	14	14	14
Arequipa UVI	18	17	17	15	12	10	11	13	15	17	18	17