UV Index in Liberia, Costa Rica

Last updated: June 2, 2025

In Liberia, Costa Rica, understanding the UV Index is crucial for protecting your skin and enhancing your overall health. With its tropical climate, Liberia experiences significant sun exposure, and knowing the varying UV levels throughout the day can help you prevent painful sunburns and long-term skin damage. From the high midday peak of UV Index 14 at noon to safer morning and late afternoon levels, being informed allows you to enjoy the beautiful outdoors while staying safe. Awareness of these risks is key to enjoying everything Liberia has to offer without compromising your health.

Hourly UV Index in Liberia

The UV Index throughout the day exhibits a pronounced peak around midday. Starting at a modest 2 at 07:00, it escalates rapidly, reaching a significant 14 by 11:00 and 12:00, marking the most intense exposure period. As the afternoon progresses, the index begins to decline, dropping to 9 by 14:00 and further to 5 by 15:00. The evening brings a welcome relief, with values plummeting to 1 by 17:00 and finally settling to 0 post 18:00. This data emphasizes the importance of sun protection during peak hours, particularly from 10:00 to 14:00, when the UV radiation is most hazardous. Stay safe, stay shaded! ☀️

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	14	extreme	10 min
12:00	14	extreme	10 min
13:00	12	extreme	10 min
14:00	9	very high	15 min
15:00	5	moderate	30 min
16:00	2	low	45 min
17:00	1	low	45 min
18:00	0	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Liberia

The UV Index data reveals significant seasonal variations in ultraviolet radiation exposure, with the highest risk occurring from March through August, when the UV Index consistently reaches 14, categorized as extreme with a burn time of just 10 minutes. February sees a peak UV Index of 13, while September through November gradually taper to 11 and 10 respectively, though still in the extreme and very high categories. Visitors and residents should take precautionary measures during these high-risk months, including applying sunscreen, wearing protective clothing, and seeking shade to minimize the risk of skin damage. Even in the months of reduced intensity, such as December, vigilance is advised to protect against prolonged sun exposure.

Monthly Maximum UV Index for Liberia, Costa Rica

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

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

Liberia's solar exposure compared to other cities in Costa Rica. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Limon UVI	12	13	14	15	14	13	13	13	13	14	11	10
Liberia	11	13	14	14	14	14	14	13	13	13	11	10
Alajuela UVI	12	13	15	15	14	14	14	13	13	14	12	10
San Jose UVI	12	14	15	16	14	14	14	14	14	15	12	11
Paraiso UVI	13	14	16	16	15	15	15	14	14	15	12	11