UV Index in Reserva, Brazil

Last updated: May 3, 2025

In Reserva, Brazil, being aware of the UV Index is crucial for both skin health and sunburn prevention. The tropical climate, characterized by warm temperatures and abundant sunshine, can elevate UV levels, particularly between 10 AM and 2 PM when they peak at 8—a clear indication of potential risk for overexposure. By understanding the daily UV variations, residents and visitors can enjoy outdoor activities while taking essential precautions, ensuring safe and healthy sun exposure. Stay informed about the UV Index to protect your skin and embrace the beauty of Reserva without compromise!

Hourly UV Index in Reserva

At sunrise, the UV Index begins at a gentle 1 at 07:00, rising gradually as the sun climbs higher. By 09:00, it reaches 3, indicating a moderate level of UV radiation. The heat of the day peaks at 12:00 with a high of 8, suggesting it’s time to seek shade or apply sunscreen. As the afternoon progresses, the index slightly drops to 7 at 13:00 and continues to decline, settling at 3 by 15:00. As the sun starts to set, the risk diminishing to 1 at 17:00 and finally dropping to 0 by 18:00, signaling a safer time for outdoor activities as the day winds down. Be mindful of the midday sun to protect 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	1	low	45 min
08:00	1	low	45 min
09:00	3	moderate	30 min
10:00	5	moderate	30 min
11:00	7	high	25 min
12:00	8	very high	15 min
13:00	7	high	25 min
14:00	6	high	25 min
15:00	3	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 Reserva

The UV Index demonstrates significant seasonal variations, with extreme levels persisting from January to April, and recurring in September, October, and November. These months are considered high-risk, with a burn time as short as 10 minutes, meaning individuals need to take precautions to avoid skin damage. From May to August, the UV Index shows a slight decline, ranging from very high to high levels, allowing for slightly longer exposure times of 15 to 25 minutes. Visitors and residents are advised to wear protective clothing, apply broad-spectrum sunscreen frequently, and seek shade during peak hours, especially in high-risk months. Staying informed about the UV Index can help ensure safety while enjoying outdoor activities.

Monthly Maximum UV Index for Reserva, Brazil

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

The table above highlights how UV exposure in Reserva 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.

Reserva'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
Reserva	15	15	13	11	8	6	7	9	11	14	15	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