UV Index in Cahuita, Costa Rica

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in Cahuita, Costa Rica, where the tropical climate brings a consistent risk for high UV exposure. As you bask in the beauty of this lush coastal town, being aware of UV levels can help prevent sunburn and promote long-term skin health. With peak UV Index readings soaring to a staggering 13 around noon, it’s essential to adapt your sun safety practices accordingly. By staying informed about these levels, you can enjoy Cahuita's stunning beaches and vibrant nature while keeping your skin protected from harmful UV rays.

Hourly UV Index in Cahuita

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 Cahuita

Throughout the year, the UV Index remains notably high, peaking at 15 in April and ranging between 12 and 14 from January to October, indicating an extreme risk of harm from unprotected sun exposure. Consequently, the highest-risk months for UV exposure are March through October, where the recommended maximum burn time is just 10 minutes. As a result, it is crucial for visitors and residents to take protective measures such as wearing sunscreen, protective clothing, and seeking shade during peak sun hours. Even during November and December, though UV levels are slightly lower, the risk remains very high to extreme, emphasizing the importance of awareness and precautions throughout the year.

Monthly Maximum UV Index for Cahuita, Costa Rica

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

The table above highlights how UV exposure in Cahuita 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.

Cahuita'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 UVI	11	13	14	14	14	14	14	13	13	13	11	10
Cahuita	12	13	14	15	14	14	13	13	13	14	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