UV Index in Guamal, Colombia

Last updated: August 1, 2025

Understanding the UV Index in Guamal, Colombia is crucial for protecting your skin and maintaining overall health. High UV levels can lead to sunburn, increase the risk of skin cancer, and accelerate skin aging. With Guamal's tropical climate, residents and visitors experience significant UV exposure, especially around midday when the index peaks at an alarming 13. By staying informed about UV levels throughout the day—from a moderate 3 in the morning to an extreme 12 at noon—you can take proactive measures to safeguard your skin and enjoy the sun safely.

Hourly UV Index in Guamal

The UV Index data reveals a dramatic rise in sun exposure throughout the day. Starting at a low 1 at 07:00, the index escalates to a peak of 13 by 12:00, marking the sun's most intense rays. From 10:00 to 13:00, the risk for harmful UV exposure is particularly high, reaching an impressive 12 during peak hours. As the afternoon progresses, the index begins to decline, falling to 5 by 15:00 and tapering off to 0 by 19:00. This data underscores the importance of sun safety, especially during peak hours when the UV Index can soar, encouraging folks to seek shade or apply sunscreen for protection.

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 Guamal

Throughout the year, UV levels remain notably high, with extreme exposure categories dominating from January to June, and continuing through to September. The highest UV Index readings occur in March and April at 16, which marks them as the peak months when caution is essential. Visitors and residents should be aware that during these months, along with February and May (which also see high values of 14 and 15, respectively), the burn time is as short as 10 minutes, emphasizing the need for protective measures. Even in the remaining months, such as October and November, the UV Index stays in the 12-13 range, still requiring vigilance. It is advisable for everyone to use sunscreen, wear protective clothing, and limit sun exposure, especially during midday hours, to minimize the risk of skin damage year-round.

Monthly Maximum UV Index for Guamal, Colombia

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

The table above highlights how UV exposure in Guamal 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.

Guamal'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
Guamal	13	14	16	16	15	13	13	14	14	13	12	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