UV Index in Liberia, Costa Rica

Last updated: July 2, 2025

In Liberia, Costa Rica, being aware of the UV Index is crucial for safeguarding your skin against harmful ultraviolet rays. Understanding the daily UV levels can significantly aid in sunburn prevention and overall skin health, allowing locals and visitors alike to enjoy the beautiful landscapes while staying protected. With a tropical wet and dry climate typical of the region, UV exposure can peak dramatically, especially between 10 a.m. and 2 p.m., where values can soar to a staggering 14. By staying informed about the UV Index, you can embrace the sun safely and make the most of your time in this vibrant destination.

Hourly UV Index in Liberia

As the sun rises, the UV Index starts off low at 2 at 07:00, perfect for a morning stroll. By 08:00, it climbs to 4, indicating a bit more sun exposure. The heat of the day peaks between 10:00 and 12:00, with the UV Index soaring to a striking 14 at 12:00. This is the time to take precautions! As the afternoon wanes, the index gradually declines, dropping to 9 by 14:00 and falling further to 5 at 15:00. By the evening, it’s safe to venture out again, with levels decreasing to a mere 0 by 18:00 and remaining so through the night. Stay sun-smart and enjoy the beautiful day while knowing when to seek shade!

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	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	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