UV Index in Tacna, Peru

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in Tacna, Peru, a region known for its arid BWk climate. With UV levels peaking between 10 AM and 1 PM, awareness of these indices can play a vital role in preventing sunburn and promoting overall skin health. As UV radiation can easily reach 9 on the index, covering the risks of prolonged exposure during this time becomes essential. By monitoring the UV Index, you can take proactive steps to enjoy the sun safely, ensuring your outdoor activities in Tacna remain both enjoyable and protective for your skin.

Hourly UV Index in Tacna

The UV Index rises and falls dramatically throughout the day, showcasing how the sun's intensity varies with time. Starting at a mild 1 at 7:00 AM, it gradually climbs to reach a peak of 9 between 11:00 AM and 12:00 PM, where sun protection is crucial. As the afternoon progresses, the index begins to dip — descending to 5 by 2:00 PM and tapering off to a safe 1 by 4:00 PM. Finally, the sun sets with the UV levels dropping to 0 after 6:00 PM, indicating it’s safe to enjoy the evening outdoors without worry. Stay vigilant during those midday hours to protect your skin!

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	7	high	25 min
11:00	9	very high	15 min
12:00	9	very high	15 min
13:00	8	very high	15 min
14:00	5	moderate	30 min
15:00	3	moderate	30 min
16:00	1	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 Tacna

Throughout the year, the UV Index in this region exhibits significant variability, with the highest levels occurring during the winter and early spring months. January and February consistently show an extreme UV Index of 16, with a rapid burn time of just 10 minutes. This pattern continues through March and April, where UV levels remain extremely high at 14 and 12, respectively. The risk temporarily decreases in May and June, dropping to very high levels of 10 and 8, but quickly escalates again in August and September, reaching extreme levels once more. Notably, October and November also present high UV risks, maintaining extreme scores. Residents and visitors are advised to take precautions during these high-risk months—particularly from January to April and again from August to November—by applying sunscreen, wearing protective clothing, and limiting sun exposure to reduce the risk of skin damage.

Monthly Maximum UV Index for Tacna, Peru

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

The table above highlights how UV exposure in Tacna 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.

Tacna'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
Tacna	16	16	14	12	10	8	9	11	13	15	16	16
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