UV Index in Macatuba, Brazil

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors in Macatuba, Brazil, where the Cfa climate can lead to high ultraviolet exposure, especially during peak daylight hours. Keeping an eye on UV levels helps you protect your skin from harmful effects like sunburn and long-term damage. With midday UV Indexes peaking at 6, which is considered high, it’s essential to stay informed and take proactive measures to safeguard your skin health. Whether you're enjoying the vibrant outdoors or simply commuting, awareness of the UV Index in Macatuba is your first line of defense against the sun’s rays.

Hourly UV Index in Macatuba

The UV Index for the day shows a notable increase in solar intensity as the morning unfolds. Starting at a mild 1 between 07:00 and 09:00, the index rises sharply, peaking at 6 from 11:00 to 13:00. This is a clear indication that midday sun demands caution, with later hours dropping to 5 at 14:00 and gradually decreasing toward evening. By 18:00 and 19:00, the UV Index dips to 0, signaling a safe time to be outdoors without sun protection. Overall, this day encourages sun safety practices during those peak hours when the UV rays are most potent.

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	2	low	45 min
10:00	4	moderate	30 min
11:00	6	high	25 min
12:00	6	high	25 min
13:00	6	high	25 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 Macatuba

Throughout the year, the UV Index exhibits significant seasonal variations, with January, February, March, April, September, October, November, and December classified as high-risk months due to their extreme exposure categories and a rapid burn time of only 10 minutes. The UV Index peaks in February at 16, indicating the strongest risk, while May and August present very high exposure conditions. As the summer months approach, the risk lessens slightly, with June and July showing high levels, allowing for a more generous 25-minute burn time. Visitors and residents are advised to take precautions during high and extreme UV Index months, such as wearing protective clothing, using broad-spectrum sunscreen, and seeking shade to minimize the risk of sunburn and long-term skin damage.

Monthly Maximum UV Index for Macatuba, Brazil

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

The table above highlights how UV exposure in Macatuba 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.

Macatuba'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
Macatuba	15	16	12	11	8	6	7	10	12	13	14	16
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