UV Index in Masma, Peru

Last updated: June 2, 2025

In Masma, Peru, understanding the UV index is crucial for safeguarding your skin and overall health. The UV index provides vital information about the intensity of ultraviolet radiation reaching the Earth’s surface, which in turn helps residents and visitors alike prevent sunburn and reduce the risk of skin damage. Given Masma's elevated UV levels, particularly during midday when the index peaks at 12, awareness of these conditions is essential for outdoor activities. With its unique ET climate, characterized by significant daytime sun exposure, knowing when to seek shade or apply sunscreen can protect you from harmful effects while enjoying the beautiful, vibrant landscapes this region offers.

Hourly UV Index in Masma

As the day unfolds, the UV Index begins to rise steadily, peaking at 12 around noon, indicating a high risk of harm from unprotected sun exposure. Starting from a mild 1 at 07:00, it climbs to 2 by 08:00, then surges to a significant 9 by 10:00. The intensity continues to escalate, reaching its maximum at 11 by 11:00, just before noon. After a slight dip to 8 by 14:00, the UV Index begins its gradual decline, dropping to 2 by 16:00, and finally resting at 0 by 18:00—a clear indication that the sun's rays are no longer a concern. To protect your skin, it's crucial to seek shade and apply sunscreen during those peak hours!

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	12	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 Masma

Throughout the year, UV Index levels remain consistently high, with an extreme exposure category reported monthly. The highest UV Index readings of 19 occur consistently from January to March, identifying this period as high-risk for harmful sun exposure. Following these months, the UV Index slightly decreases, yet remains elevated with values around 15 to 18 until November. Visitors and residents are advised to adopt protective measures year-round, including wearing UV-blocking sunglasses, applying broad-spectrum sunscreen regularly, and seeking shade, especially during midday hours to avoid sunburn in as little as 10 minutes.

Monthly Maximum UV Index for Masma, Peru

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

The table above highlights how UV exposure in Masma 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.

Masma'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
Masma	19	19	19	18	15	12	13	15	17	18	18	18