UV Index in Arenal, Honduras

Last updated: July 2, 2025

In the beautiful Arenal, Honduras, being mindful of the UV Index is essential for safeguarding your skin health amid its warm, tropical climate. Understanding UV levels is crucial, as they indicate the intensity of ultraviolet radiation from the sun, which can lead to sunburn and long-term skin damage. With UV Index values peaking at 14 around noon, Arenal presents significant exposure risks that demand your attention. By staying informed about the UV Index, you can take proactive steps to enjoy the sun safely, ensuring your outdoor adventures remain both fun and healthy.

Hourly UV Index in Arenal

The UV Index today paints a vivid picture of sun intensity throughout the day. Early risers will experience a gentle start at 07:00 with a low of 2, slowly escalating to a more noticeable 4 by 08:00. As the sun climbs higher, the UV Index reaches a peak of 14 at 12:00—the critical midday moment when sun protection is essential. From there, it begins to taper off, dropping to 12 at 13:00 before plunging down to 1 by 17:00. As evening approaches, UV exposure decreases, ultimately settling at 0 by 19:00. Remember to stay sun-safe 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	2	low	45 min
08:00	4	moderate	30 min
09:00	7	high	25 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