UV Index in Goianinha, Brazil

Last updated: June 2, 2025

In Goianinha, Brazil, being aware of the UV Index is crucial for protecting your skin from harmful solar radiation. Understanding UV levels helps residents and visitors alike prevent sunburn, safeguard long-term skin health, and enjoy the sun safely. This vibrant coastal town, characterized by its warm, tropical climate, experiences significant UV exposure, particularly during midday when levels peak at an alarming 11. With this in mind, checking the UV Index can make a significant difference in daily outdoor plans, keeping you safe while soaking up the beautiful Brazilian sun.

Hourly UV Index in Goianinha

As the sun rises, the UV Index begins its ascent, reaching a moderate level of 2 by 7:00 AM. A steady increase quickly follows, peaking sharply at 11:00 AM and 12:00 PM with a high of 11, indicating a significant need for sun protection. The intensity of UV rays then begins to wane, dropping to 8 by 1:00 PM, and then gradually declining to a more manageable 5 at 2:00 PM. As the afternoon progresses, it continues to decrease, finishing the day at a minimal 0 by 6:00 PM. This data highlights the importance of taking precautions during the midday hours when UV exposure is at its highest. Remember to apply sunscreen and wear protective clothing to safeguard your skin!

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	4	moderate	30 min
09:00	7	high	25 min
10:00	10	very high	15 min
11:00	11	extreme	10 min
12:00	11	extreme	10 min
13:00	8	very high	15 min
14:00	5	moderate	30 min
15:00	3	moderate	30 min
16:00	1	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 Goianinha

The UV Index throughout the year displays extreme levels, particularly from January through November, with values consistently between 12 and 15, indicating a high risk of harm from unprotected sun exposure. Notably, the highest UV Index occurs in March at 15, closely followed by February and April at 14. Visitors and residents should take special care during these high-risk months and consistently throughout the year, ensuring they wear appropriate sun protection, including sunscreen, hats, and UV-protective clothing. With a burn time of only 10 minutes, it is crucial to limit sun exposure, especially during midday when UV radiation is at its peak.

Monthly Maximum UV Index for Goianinha, Brazil

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

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

Goianinha's solar exposure compared to other cities in Brazil. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Rio de Janeiro UVI	15	14	13	10	7	6	7	9	11	12	13	15
Sao Paulo UVI	16	15	12	11	8	6	7	9	11	13	14	15
Belo Horizonte UVI	17	16	14	12	9	7	8	10	12	13	14	16
Salvador UVI	14	14	14	13	10	9	9	12	12	15	15	14
Fortaleza UVI	14	14	15	15	13	11	11	12	13	13	13	13
Goianinha	14	14	15	14	12	11	11	12	13	13	14	14