UV Index in Santiago de Tuna, Peru

Last updated: August 1, 2025

Understanding the UV Index is crucial for residents and visitors of Santiago de Tuna, Peru, where the high altitude and sunny disposition can lead to significant sun exposure. By being aware of UV levels, you can take proactive steps to prevent sunburn and protect your skin health. As a part of the BSk climate zone, this region experiences intense sunlight, especially during midday when UV Index values peak at a staggering 13. Knowing when the UV index is high can help you enjoy the beautiful outdoors while staying safe from harmful rays. Remember to plan accordingly: the closer you get to noon, the more vigilant you need to be!

Hourly UV Index in Santiago de Tuna

The UV Index throughout the day presents a vivid picture of sun exposure. Starting at 07:00, the index is a mild 1, perfect for morning strolls. As the sun climbs, it reaches 2 by 08:00 and then surges to an impressive 5 at 09:00. The intensity peaks dramatically at 12:00, hitting 13—a warning for those considering outdoor plans. Even though it dips to 12 by 13:00, the risk remains significant. The afternoon sees a decline, falling to 9 at 14:00 and further to 6 by 15:00. As daylight wanes, the index drastically decreases to 2 at 16:00 and then slips to 1 by 17:00, finally resting at 0 by 18:00 and beyond. This dynamic wave of UV exposure highlights the importance of sun safety during 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	3	moderate	30 min
09:00	6	high	25 min
10:00	10	very high	15 min
11:00	13	extreme	10 min
12:00	14	extreme	10 min
13:00	13	extreme	10 min
14:00	10	very high	15 min
15:00	6	high	25 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 Santiago de Tuna

Throughout the year, the UV Index remains consistently high in this region, with extreme exposure levels recorded from January through December. The highest values of 18 are observed in January, February, March, and November, making these high-risk months for sun exposure. Even during the summer months, such as June, July, and August, the index hovers between 12 and 14, indicating a strong potential for skin damage. Visitors and residents are advised to take precautionary measures year-round, including wearing protective clothing, applying broad-spectrum sunscreen, and limiting sun exposure to avoid harmful effects associated with prolonged UV exposure.

Monthly Maximum UV Index for Santiago de Tuna, Peru

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

The table above highlights how UV exposure in Santiago de Tuna 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.

Santiago de Tuna'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
Santiago de Tuna	18	18	18	17	14	12	13	14	16	17	18	17