UV Index in Loja, Ecuador

Last updated: July 2, 2025

In Loja, Ecuador, being aware of the UV Index is crucial for maintaining skin health and preventing sunburn, especially given the region's Cfb climate which, while temperate, still presents significant UV exposure risks. Understanding UV levels enables residents and visitors to protect themselves more effectively during peak sun hours, particularly when the index soars to 13 between 12:00 PM and 1:00 PM. With UV radiation capable of causing both immediate harm and long-term skin damage, staying informed about these levels can significantly enhance your outdoor experiences in this vibrant city while safeguarding your skin.

Hourly UV Index in Loja

As the day unfolds, the UV Index begins its ascent at 07:00, peaking at a remarkable 13 during the 12:00 to 13:00 hour, indicating optimal sun exposure for avid sun-worshippers. The maximum intensity is observed at 11:00 with an impressive score of 11, urging caution as midday rays can be especially harsh. Following this peak, the index gradually declines, dropping to 10 by 14:00, and steadily tapering off, signaling a safer environment for outdoor activities in the late afternoon and evening. By 19:00, the UV Index plummets to 0, allowing evening strollers to bask in the fading sunlight without worry. Remember, when the sun is at its highest, embrace protection to enjoy the outdoors safely!

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	8	very high	15 min
11:00	11	extreme	10 min
12:00	13	extreme	10 min
13:00	13	extreme	10 min
14:00	10	very high	15 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