UV Index in Arica, Chile

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents and visitors in Arica, Chile, where the sun shines brightly in its BWh climate. As one of the sunniest cities in the world, awareness of UV levels can significantly aid in preventing sunburn and promoting long-term skin health. With peak UV Index levels reaching as high as 9 during midday hours, it's vital to take proper precautions to safeguard yourself against potential harm. Whether you’re exploring the stunning coastline or enjoying outdoor activities, staying informed about daily UV exposure risks can help you enjoy the sun safely.

Hourly UV Index in Arica

The UV Index data for the day presents a noteworthy pattern of solar intensity. Beginning at 07:00, the index is a low 1, gradually rising to reach 3 by 09:00. A significant increase occurs as the day progresses, peaking sharply at 12:00 and 13:00 with a high of 9, indicating a critical need for sun protection. As the afternoon rolls in, values decrease, dipping back to 5 by 15:00 and further down to 1 by 18:00. The UV Index then drops to 0 by 19:00, emphasizing the importance of being cautious during midday hours when exposure is most intense.

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	1	low	45 min
09:00	3	moderate	30 min
10:00	5	moderate	30 min
11:00	7	high	25 min
12:00	9	very high	15 min
13:00	9	very high	15 min
14:00	7	high	25 min
15:00	5	moderate	30 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 Arica

Throughout the year, the UV Index exhibits significant seasonal changes, particularly during the winter and summer months. High-risk months include January through April and September through November, where the UV Index consistently reaches extreme levels (15-14) with a burn time of just 10 minutes. Residents and visitors are strongly advised to take precautionary measures during these periods, such as wearing protective clothing, applying high-SPF sunscreen, and seeking shade. As we transition into the summer, while the UV Index drops to a maximum of 12 in April and later peaks at 10 in August (very high), the burn time increases to 15 or 25 minutes in June and July, emphasizing the need for sun safety practices year-round. Stay vigilant and protect yourself from harmful UV radiation, especially in high-risk months.

Monthly Maximum UV Index for Arica, Chile

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

The table above highlights how UV exposure in Arica compares to other major locations across Chile. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Arica's solar exposure compared to other cities in Chile. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Santiago UVI	14	12	11	7	5	3	4	6	8	11	12	14
Valparaiso UVI	14	12	11	8	5	4	4	6	8	11	12	14
Vina del Mar UVI	14	12	11	8	5	4	4	6	8	11	12	14
Puente Alto UVI	15	14	12	8	6	4	6	8	11	12	14	15
Antofagasta UVI	15	15	13	10	8	6	7	9	11	14	15	15
Arica	15	15	14	12	9	7	8	10	12	14	15	15