UV Index in Loja, Ecuador

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents and visitors in Loja, Ecuador—a region where the sun can be both a source of warmth and a significant risk to skin health. With peaks of UV radiation often reaching an intense 15 during midday hours, awareness of these levels is essential for preventing sunburn and protecting overall skin health. The temperate climate of Loja, characterized by its Cfb climate zone, can lead to deceptive UV exposure risks, making it vital to stay informed. Embracing this knowledge empowers you to enjoy the beautiful outdoors of Loja while safeguarding your skin against harmful effects.

Hourly UV Index in Loja

The UV Index soars throughout the day, peaking at an impressive 15 around 12:00 PM. Morning sun lovers might enjoy a mild 1 at 7:00 AM, but by 9:00 AM, the index climbs to 6, signaling the need for sunscreen. As the hours roll on, things heat up; by 10:00 AM, it reaches a significant 10, and by 11:00 AM, it hits 13, making it imperative for outdoor enthusiasts to take precautions. The intensity begins to taper off post-lunch, with a notable drop to 11 at 2:00 PM and finally winding down to 0 by 7:00 PM. Stay protected 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	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	15	extreme	10 min
13:00	14	extreme	10 min
14:00	11	extreme	10 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 Loja

The UV Index data shows a consistent extreme exposure category from January through November, with a notable peak in March at 18. During these high-risk months, particularly from February through April, visitors and residents should take extra precautions, as burn time is only 10 minutes regardless of the month. While exposure slightly decreases in June and July to an index of 13, it remains critical to protect your skin. As the year progresses into September and October, UV levels rise again, reaching 17, signaling that sun safety measures should remain in place. It's crucial for everyone to prioritize sun protection, including wearing sunscreen, protective clothing, and seeking shade, especially during peak hours.

Monthly Maximum UV Index for Loja, Ecuador

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

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

Loja's solar exposure compared to other cities in Ecuador. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Guayaquil UVI	14	14	15	14	12	11	10	11	13	13	11	12
Machala UVI	14	14	15	14	12	10	10	11	13	13	12	12
Santo Domingo de los Colorados UVI	14	15	16	15	14	12	12	12	13	14	12	11
Loja	16	17	18	18	16	13	13	14	17	17	15	15
Cuenca UVI	16	17	18	18	16	13	14	14	17	16	15	15
Quito UVI	17	17	19	19	17	14	15	15	17	17	16	14