UV Index in Colasay, Peru

Last updated: July 2, 2025

In Colasay, Peru, awareness of the UV Index is crucial for maintaining skin health and preventing sunburn. Understanding UV levels empowers residents and visitors to protect themselves from harmful radiation, especially during peak hours when values soar. With a BSk climate, characterized by its dry, sunny conditions, Colasay experiences significant UV exposure risks, particularly around midday when the index reaches a high of 13. Stay informed and enjoy the sun responsibly to safeguard your skin and overall health!

Hourly UV Index in Colasay

The hourly UV Index paints a vivid picture of the sun's intensity throughout the day. Morning hours start with a gentle rise, peaking at 8 by 10:00 AM. As the clock strikes 11:00 AM, the index climbs to a robust 11, reaching its zenith of 13 at noon and continuing at that level until 1:00 PM. Early afternoon maintains a strong presence with readings of 10 at 2:00 PM, before a gradual decline begins. By 3:00 PM, it dips to 7, and as the day winds down, the UV Index decreases significantly to 3 at 4:00 PM, then falls sharply back to 1 by 5:00 PM, where it remains until the day closes with a 0 by 7:00 PM. If you’re planning outdoor activities, the most intense sun exposure is clearly between 11:00 AM and 1:00 PM, making those hours the ones to seek shade or apply sunscreen for protection.

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	4	moderate	30 min
10:00	8	very high	15 min
11:00	11	extreme	10 min
12:00	13	extreme	10 min
13:00	13	extreme	10 min
14:00	10	very high	15 min
15:00	7	high	25 min
16:00	3	moderate	30 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Colasay

Throughout the year, UV Index levels in this region remain alarmingly high, with extreme ratings persisting from January through November. The highest UV Index levels peak in March at 18 and range from 16 to 18 during the heavy risk months of January to April. Surprisingly, even in the summer months of June to August, the UV Index stays elevated, averaging around 12 to 13. High-risk months include January through April, where immediate skin damage can occur with just 10 minutes of sun exposure, making it essential for visitors and residents to take precautionary measures. It is strongly advised to wear protective clothing, apply broad-spectrum sunscreen, and seek shade during peak hours to minimize harmful UV exposure year-round.

Monthly Maximum UV Index for Colasay, Peru

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

The table above highlights how UV exposure in Colasay 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.

Colasay'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
Colasay	16	17	18	17	15	12	13	13	16	16	16	15