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.
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.
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 |
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.
UV Risk Categories
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 |