UV Index in Catio, Guinea-Bissau

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents of Catio, Guinea-Bissau, where the sun shines brightly in an Aw climate zone. With UV levels peaking at a multifaceted 13 during midday hours, awareness of these values plays a vital role in preventing sunburn and protecting skin health. High UV exposure can lead to significant risks, including skin damage and increased chance of skin cancer. By keeping track of daily UV levels, locals can take necessary precautions, ensuring their outdoor activities are both enjoyable and safe from the sun's harmful rays.

Hourly UV Index in Catio

The UV Index journey begins early, with mild levels of 1 at 07:00 and 08:00. As the sun rises higher, the intensity spikes, reaching 3 by 09:00. By 10:00, it climbs to 6, hinting at the intensifying sun. At 11:00, we hit 9, and by noon, the levels peak at a staggering 12—a clear signal to seek shade! The maximum UV exposure occurs from 13:00 to 14:00, registering 13 before it begins to wane. The afternoon sees a descent back to 10 at 15:00, followed by a gentle dip to 6 at 16:00. As the day transitions into evening, the UV Index drops to 3 at 17:00 and settles back at 1 by 18:00 and 19:00, concluding a day of sunshine and caution. Be sure 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	1	low	45 min
09:00	3	moderate	30 min
10:00	6	high	25 min
11:00	9	very high	15 min
12:00	12	extreme	10 min
13:00	13	extreme	10 min
14:00	12	extreme	10 min
15:00	10	very high	15 min
16:00	6	high	25 min
17:00	3	moderate	30 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Catio

Throughout the year, UV Index levels exhibit significant seasonal variations, peaking during the summer months. January and February experience a high UV Index of 10, indicating very high exposure risk with a burn time of just 15 minutes. As the year progresses into March through October, the UV Index escalates to 12-14, classified as extreme, where unprotected skin can burn in as little as 10 minutes. The highest risk months are July and August, with a UV Index of 13 and 14 respectively. November and December see a decline in UV exposure, returning to a very high category. It is crucial for visitors and residents to take preventative measures during these high-risk months, such as wearing sunscreen, protective clothing, and limiting midday sun exposure to safeguard against skin damage.

Monthly Maximum UV Index for Catio, Guinea-Bissau

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Catio. 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 Catio, 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 Catio UV Index with Other Guinea-Bissau Cities

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

Catio's solar exposure compared to other cities in Guinea-Bissau. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Bafata UVI	9	10	12	12	12	13	13	13	13	12	9	9
Gabu UVI	9	10	12	12	13	13	13	14	13	12	10	9
Bolama UVI	10	10	11	12	13	13	13	14	14	12	9	9
Bissau UVI	10	10	11	12	13	13	13	14	14	12	9	9
Catio	10	10	12	12	12	12	13	14	14	12	10	9
Bissora UVI	9	10	12	12	13	13	13	14	14	12	9	9