UV Index in El Castillo, Colombia

Last updated: August 1, 2025

Understanding the UV Index is crucial for residents and visitors of El Castillo, Colombia, where the sun's rays can be particularly intense. Being aware of UV levels helps in preventing sunburn and maintaining healthy skin, making it essential to monitor daily UV forecasts. With a climate characterized by warm temperatures and elevated UV exposure—especially from late morning to early afternoon—El Castillo's sun can pose significant risks if proper precautions are not taken. Stay informed and protect your skin by checking the UV Index regularly!

Hourly UV Index in El Castillo

From sunrise to sunset, the UV Index displays a dramatic rise and fall throughout the day. At 7:00 AM, it starts mild at 1, making early morning outdoor activities relatively safe. As the sun climbs higher, the index escalates quickly, peaking at 13 by noon, indicating potentially harmful levels of UV radiation. The intensity then begins to wane, dropping to 9 by 2:00 PM and further declining to 3 by the late afternoon. As night approaches, the UV Index falls back to 0 by 6:00 PM, signaling a complete retreat of UV exposure. Plan your outdoor activities accordingly and remember to protect your skin during 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	1	low	45 min
08:00	3	moderate	30 min
09:00	6	high	25 min
10:00	10	very high	15 min
11:00	13	extreme	10 min
12:00	14	extreme	10 min
13:00	13	extreme	10 min
14:00	10	very high	15 min
15:00	6	high	25 min
16:00	3	moderate	30 min
17:00	1	low	45 min
18:00	0	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in El Castillo

The UV Index experiences extreme levels throughout the year, peaking at 16 in April. High-risk months for UV exposure are notably March to May, where the index ranges from 15 to 16, indicating a burn time of just 10 minutes for unprotected skin. Even in the summer months of June through August, the index remains high at 13 to 14, warranting caution. Visitors and residents should take necessary precautions during these months, such as wearing sunscreen, protective clothing, and avoiding direct sun exposure during peak hours to minimize the risk of UV-related health issues.

Monthly Maximum UV Index for El Castillo, Colombia

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in El Castillo. 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 El Castillo, 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 El Castillo UV Index with Other Colombia Cities

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

El Castillo's solar exposure compared to other cities in Colombia. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Barranquilla UVI	11	12	14	14	13	12	13	13	13	13	11	10
Cartagena UVI	11	11	13	15	13	13	12	13	13	13	11	10
El Castillo	13	14	15	16	15	13	13	14	14	14	13	12
Medellin UVI	14	15	17	16	16	14	14	15	14	14	13	12
Cali UVI	15	16	17	17	15	14	14	14	15	14	13	12
Bogota UVI	15	16	18	18	17	15	15	16	15	15	14	13