UV Index in Limon, Costa Rica

Last updated: July 2, 2025

In Limon, Costa Rica, being aware of the UV Index is crucial for safeguarding your skin against the sun's harmful rays. Understanding UV levels not only helps prevent painful sunburns but also plays a significant role in long-term skin health. Given Limon's tropical Af climate, residents and visitors are often exposed to elevated UV levels, especially during midday hours when the index peaks at an alarming 13. By staying informed about the UV Index, you can enjoy the beautiful sunny days while taking the necessary precautions to protect your skin and overall well-being.

Hourly UV Index in Limon

The UV Index chart for the day reveals a dramatic ascent in solar intensity as the sun rises. Starting at a low 2 at 07:00, the index builds momentum, hitting 5 by 08:00, and surging to a peak of 13 from 11:00 to 12:00. During this crucial midday window, the sun is at its zenith, signaling the best time for sun protection measures. As the afternoon progresses, the index begins to decline, dropping back to 5 by 15:00, and further down to 0 by 19:00. This data serves as a friendly reminder to embrace the sunshine cautiously and 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	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	13	extreme	10 min
13:00	11	extreme	10 min
14:00	8	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 Limon

The UV Index shows an extreme risk of sun exposure throughout the first half of the year, peaking in March and April at 14 and 15, respectively, where the burn time is a mere 10 minutes. February through May remain high-risk months, with consistently extreme exposure levels. As summer transitions into fall, the UV Index gradually decreases but remains extremely high from June to October (with values around 13). November sees a slight reduction to 11, labeled as extreme, while December drops to 10, classified as very high with a longer burn time of 15 minutes. Residents and visitors should be vigilant about sun safety during these months, employing sunscreen, wearing protective clothing, and seeking shade, especially during peak hours, to mitigate skin damage risks.

Monthly Maximum UV Index for Limon, Costa Rica

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

The table above highlights how UV exposure in Limon 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.

Limon'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	12	13	14	15	14	13	13	13	13	14	11	10
Liberia UVI	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