UV Index in Portoviejo, Ecuador

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in Portoviejo, Ecuador, as it serves as a vital indicator of potential sun exposure risks throughout the day. With the tropical climate classified as Aw, the UV levels can soar, especially during midday, reaching a peak of 11 between noon and 1 PM. This makes it essential to stay informed about UV levels to effectively prevent sunburn and promote long-term skin health. By being aware of the UV Index, you can take the necessary precautions to enjoy the beautiful sunny days in Portoviejo while minimizing the risk of harmful effects from overexposure to the sun.

Hourly UV Index in Portoviejo

The UV Index for the day presents a clear picture of sun intensity, starting off gentle in the early hours. At 7:00 AM, it begins at a mild 1, increasing to 2 by 8:00 AM. As the sun rises higher, the index climbs rapidly; by 10:00 AM, it reaches 7 and peaks at an intense 11 around 12:00 PM and 1:00 PM. After this zenith, the levels gradually decline, dropping to 9 by 2:00 PM, 6 at 3:00 PM, and settling back to a safe 1 by 5:00 PM. The UV exposure diminishes further, reaching a low of 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	2	low	45 min
09:00	4	moderate	30 min
10:00	7	high	25 min
11:00	10	very high	15 min
12:00	11	extreme	10 min
13:00	11	extreme	10 min
14:00	9	very high	15 min
15:00	6	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 Portoviejo

The UV index in the region remains consistently high throughout the year, primarily categorized as extreme. From January to April, the index peaks at 15, indicating the highest risk months for sun exposure, where a burn can occur in just 10 minutes. May experiences a slight decline to 13, but the threat remains significant. In the summer months of June and July, the UV index remains at 11, continuing the trend of high risk. August sees a small increase to 12, followed by slightly lower yet still critical levels of 13 in September and October, and 12 in November. By December, the index is 11, maintaining extreme conditions. Visitors and residents are advised to take precautionary measures such as wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak sunlight hours to minimize harmful UV exposure.

Monthly Maximum UV Index for Portoviejo, Ecuador

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

The table above highlights how UV exposure in Portoviejo 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.

Portoviejo'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
Portoviejo	14	14	15	15	13	11	11	12	13	13	12	11
Santo Domingo de los Colorados UVI	14	15	16	15	14	12	12	12	13	14	12	11
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