UV Index in Cahuac, Peru

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors in Cahuac, Peru, where the region's temperate oceanic climate can present unique sun exposure challenges. With UV levels peaking at a high of 13 around noon, awareness of the UV Index is essential for preventing sunburn and protecting skin health. By grasping how UV radiation varies throughout the day, you can take proactive steps to enjoy the outdoors while sparing yourself from potential skin damage. In a place where sun intensity fluctuates dramatically, being informed can make all the difference in safeguarding your well-being.

Hourly UV Index in Cahuac

As the sun rises, the UV Index begins at a low 1 at 07:00, gradually climbing to reach 2 by 08:00. The intensity ramps up significantly as the day progresses, peaking at a striking 13 at 12:00. The sun's rays hit their maximum power between 11:00 and 13:00, with a 12 at 11:00 and lingering at 13 until 12:00. After that, the UV Index starts to decline, dipping to 9 by 14:00 and further down to 5 by 15:00. As evening approaches, the index falls to 2 at 16:00, then returns to a safe 1 at 17:00 before wrapping up the day with a zero reading by 18:00. This pattern underscores the importance of sun safety during those peak hours when the UV Index is 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	9	very high	15 min
11:00	12	extreme	10 min
12:00	13	extreme	10 min
13:00	12	extreme	10 min
14:00	9	very high	15 min
15:00	5	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 Cahuac

During the year, UV Index levels remain consistently high, with an extreme exposure category from January through April, where the index reaches a peak of 19. The risk continues to be significant from May to October, with the index fluctuating between 13 and 17, before slightly decreasing in November and December at 18 and 17, respectively. The high-risk months are primarily from January to April and again in September to November, where the burn time is a mere 10 minutes. It is crucial for both visitors and residents to take necessary precautions during these months, such as wearing protective clothing, applying sunscreen regularly, and seeking shade when outdoors to mitigate the risks associated with prolonged sun exposure.

Monthly Maximum UV Index for Cahuac, Peru

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

The table above highlights how UV exposure in Cahuac 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.

Cahuac'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
Arequipa UVI	18	17	17	15	12	10	11	13	15	17	18	17
Cahuac	19	19	19	19	15	13	14	15	17	18	18	17