UV Index in Dos de Mayo, Peru

Last updated: June 2, 2025

In Dos de Mayo, Peru, staying informed about the UV Index is crucial for protecting your skin from harmful ultraviolet rays. As the sun’s intensity peaks throughout the day, understanding UV levels can help you prevent sunburn and promote long-term skin health. With a Cfb climate that offers a mix of cool and temperate conditions, residents and visitors may underestimate the potential for UV exposure. Notably, during midday hours, the UV Index can soar to 13, signaling an urgent need for sun protection. Stay sun safe by keeping an eye on the UV forecast and equip yourself with the knowledge to enjoy the outdoors responsibly!

Hourly UV Index in Dos de Mayo

The UV Index for the day showcases a dramatic rise and fall throughout the daylight hours. Starting at a minimal 1 at 07:00, it quickly escalates to 2 by 08:00. A major spike occurs at 10:00, reaching a peak of 13 by 12:00, as the sun is at its zenith. This peak intensity wanes in the afternoon; it dips to 9 at 14:00, then to 5 by 15:00. As evening approaches, the numbers drop significantly, falling to 1 by 17:00 and eventually to 0 after 18:00. This data highlights the importance of sun protection during the midday hours when UV radiation is at its 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	11	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	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 Dos de Mayo

Throughout the year, UV Index values remain critically high, particularly from January to May, where levels peak at 18 and maintain an extreme exposure category, making these months particularly high-risk for sunburn, with a burn time of just 10 minutes. As the months progress into the summer, UV levels slightly decrease, but they still indicate a significant risk, especially in July and August, with indices ranging from 13 to 14. The trend remains consistent from September through December, where UV Index values hover between 16 to 17, continuing to represent an extreme risk. Visitors and residents should take essential precautions year-round, such as wearing protective clothing, applying high-SPF sunscreen regularly, and seeking shade during peak sun hours to minimize health risks associated with prolonged sun exposure.

Monthly Maximum UV Index for Dos de Mayo, Peru

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

The table above highlights how UV exposure in Dos de Mayo 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.

Dos de Mayo'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
Dos de Mayo	17	18	18	18	15	13	13	14	16	17	16	16