UV Index in San Jeronimo, Peru

Last updated: July 2, 2025

Understanding the UV Index is essential for residents and visitors in San Jeronimo, Peru, as it plays a crucial role in safeguarding against harmful sun exposure. With the potential for sunburn and long-term skin health issues, being aware of UV levels allows you to take necessary precautions to enjoy the outdoors safely. Nestled in a Cfb climate zone, San Jeronimo experiences varying UV exposures throughout the day, peaking at a striking UV Index of 13 around noon. This rapidly changing index highlights the importance of monitoring UV levels, particularly during the sunniest hours, to protect your skin and stay healthy in this beautiful region.

Hourly UV Index in San Jeronimo

Throughout the day, the UV Index experiences a notable ascent, peaking at 13 between 12:00 PM and 1:00 PM, signaling a potential for strong sun exposure. The morning starts off gently with a maximum of only 1 at 7:00 AM, then advances to 5 by 9:00 AM. Sun-seekers should be cautious as the index soars to 12 by 11:00 AM, indicating high risk for harm from unprotected sun exposure. After its zenith, the index gradually declines to 8 at 2:00 PM, then follows with a steady decrease to 0 by 7:00 PM, marking the end of intense UV exposure. As the day wraps up, it's clear that midday sun is best approached with protection in place!

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	11	extreme	10 min
14:00	8	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 San Jeronimo

The UV Index data reveals consistently high levels of ultraviolet radiation throughout the year, with all months categorized as extreme exposure, indicating that burn time is as brief as 10 minutes in any of these months. Specific months to particularly note as high-risk include January, February, March, and November, where the UV Index remains at a peak of 18. Residents and visitors should take precautionary measures during these months by wearing protective clothing, using sunscreen with a high SPF, and limiting sun exposure during peak hours. It is crucial to remain vigilant about UV safety year-round to prevent skin damage.

Monthly Maximum UV Index for San Jeronimo, Peru

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

The table above highlights how UV exposure in San Jeronimo 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.

San Jeronimo'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
San Jeronimo	18	18	18	17	13	11	13	14	16	17	18	18