UV Index in Goiania, Brazil

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents and visitors in Goiânia, Brazil, where the sun shines brightly, especially during the peak hours of 10 AM to 4 PM. Awareness of UV levels not only helps in preventing sunburn but also plays a vital role in promoting long-term skin health. With a typical tropical climate and high UV exposure risks—peaking at a considerable 10 around noon—taking precautions is essential. Stay informed and protect your skin as you enjoy all that sun-soaked Goiânia has to offer!

Hourly UV Index in Goiania

The UV Index throughout the day presents a compelling narrative of sun exposure, peaking at a staggering 10 at 12:00 PM, indicating a need for caution. As the sun rises, the UV Index gradually climbs from 1 at 7:00 AM to a notable 4 by 9:00 AM. The ascent continues, reaching 9 by 11:00 AM, before hitting its maximum at noon. However, as the afternoon progresses, the intensity wanes, with readings dropping to 7 by 2:00 PM and eventually falling to 1 by 5:00 PM. As twilight approaches, the Index dips to 0 after 6:00 PM, promising safe evening conditions. Engaging with the sun requires awareness; ensure you're protected during those 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	2	low	45 min
09:00	4	moderate	30 min
10:00	7	high	25 min
11:00	9	very high	15 min
12:00	10	very high	15 min
13:00	9	very high	15 min
14:00	7	high	25 min
15:00	4	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 Goiania

The UV Index data indicates that UV radiation levels remain extremely high during the winter and early spring months, with values peaking at 16 from January to February and again in November and December, necessitating protection with a burn time of just 10 minutes. As the season transitions into spring, levels slightly decrease but remain very high in May and June, where burn times extend to 15 minutes. Key high-risk months for UV exposure include February, March, April, August, and October, all classified as extreme. Visitors and residents should take precautions during these months by wearing sunscreen, protective clothing, and seeking shade to minimize their risk of skin damage. Continuous vigilance is essential as UV radiation can cause harm regardless of season, so being aware and prepared is crucial year-round.

Monthly Maximum UV Index for Goiania, Brazil

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

The table above highlights how UV exposure in Goiania 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.

Goiania'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
Goiania	16	16	14	13	10	8	9	11	12	15	16	16
Fortaleza UVI	14	14	15	15	13	11	11	12	13	13	13	13