UV Index in Arenal, Honduras

Last updated: June 2, 2025

In Arenal, Honduras, being aware of the UV Index is crucial for safeguarding your skin against harmful sun exposure. Understanding UV levels not only helps prevent painful sunburns but also contributes to long-term skin health, minimizing the risk of skin cancer. With Arenal's tropical climate, characterized by intense sunlight and high humidity, the UV Index can soar to a staggering 14 at midday, underscoring the importance of taking protective measures. By staying informed about daily UV levels, you can enjoy the beauty of Arenal while effectively shielding yourself from its powerful rays.

Hourly UV Index in Arenal

As the sun rises, the UV Index begins its ascent, starting at a mild 2 by 7:00 AM. By 8:00 AM, it climbs to a moderate 5, signaling the need for some sun protection. The sun reaches its peak at 12:00 PM with an impressive 14, indicating an elevated risk of harm from unprotected sun exposure. In the afternoon, from 1:00 PM to 3:00 PM, the index gracefully declines from 12 to 6, easing the intensity of UV radiation. As the day transitions, the UV Index drops sharply, settling back to 1 by 5:00 PM, and eventually fading to 0 by 7:00 PM. Remember, during peak hours, it’s essential to stay protected to enjoy the daylight 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	2	low	45 min
08:00	5	moderate	30 min
09:00	8	very high	15 min
10:00	11	extreme	10 min
11:00	13	extreme	10 min
12:00	14	extreme	10 min
13:00	12	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 Arenal

The seasonal UV changes reveal consistently high levels of ultraviolet radiation throughout the year, with the highest UV Index recorded in March and April at 15. The highest-risk months for sun exposure are from February to September, where the UV Index remains in the extreme category, necessitating a burn time of only 10 minutes. Notably, November and December still present significant UV levels, categorized as very high, with slightly longer burn times of 15 minutes. It is crucial for visitors and residents alike to take appropriate precautions during these months by wearing protective clothing, applying sunscreen, and seeking shade to minimize the risk of harmful UV effects.

Monthly Maximum UV Index for Arenal, Honduras

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

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

Arenal's solar exposure compared to other cities in Honduras. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Choloma UVI	10	11	13	14	13	13	13	13	13	12	9	9
San Pedro Sula UVI	10	11	13	14	13	13	13	13	13	12	9	9
El Progreso UVI	10	12	13	14	13	13	13	13	13	12	10	9
La Ceiba UVI	10	12	14	14	14	14	14	14	13	12	10	9
Arenal	11	12	14	15	14	14	14	14	13	13	10	9
Tegucigalpa UVI	11	13	15	15	14	14	14	14	14	13	10	10