UV Index in Miramar, Costa Rica

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents and visitors of Miramar, Costa Rica, a region known for its vibrant tropical climate and ample sunshine. With UV levels peaking during the midday hours, knowing the intensity of UV radiation is essential for preventing sunburn and protecting skin health. The UV Index can reach a staggering 14 at noon, highlighting the need for proactive sun protection measures. As you enjoy the beautiful landscapes of Miramar, staying informed about UV exposure risks will help you enjoy the outdoors safely and maintain healthy skin in this sun-soaked paradise.

Hourly UV Index in Miramar

At dawn, the UV Index begins at a gentle 2 at 7:00 AM, gradually climbing to a peak of 14 by 11:00 AM and 12:00 PM. This midday intensity signals a crucial time for sun safety, as the index emphasizes the need for protection against harmful rays. As the afternoon progresses, the UV levels decrease, dropping to 5 by 3:00 PM and falling further to 1 by 5:00 PM. By 6:00 PM, the index gracefully settles at 0, marking the end of a sun-soaked day. Stay mindful of these UV changes to enjoy the sun safely!

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	9	very high	15 min
10:00	12	extreme	10 min
11:00	14	extreme	10 min
12:00	14	extreme	10 min
13:00	12	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 Miramar

The UV Index exhibits a notable peak from January to June, consistently reaching extreme levels of 11 to 14. The highest UV readings occur from March to May, making these months particularly high-risk for skin damage, with a burn time of just 10 minutes under direct sunlight. In contrast, the index begins to gradually decline in the second half of the year, dropping to 11 in November and 10 in December, although these months still pose a very high risk. As such, residents and visitors are advised to take precautionary measures by wearing sunscreen, protective clothing, and seeking shade, especially during the peak months of March through May, to minimize exposure to harmful UV radiation.

Monthly Maximum UV Index for Miramar, Costa Rica

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

The table above highlights how UV exposure in Miramar 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.

Miramar'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
Miramar	11	13	14	14	14	14	13	13	13	13	11	10
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
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