UV Index in Porto Murtinho, Brazil

Last updated: June 2, 2025

In Porto Murtinho, Brazil, being aware of the UV Index is essential for safeguarding your skin and overall health. Each year, the intense sun exposure typical of this Aw climate can lead to increased risks of sunburn and long-term skin damage. Understanding the daily UV levels, which peak from late morning to early afternoon with values reaching up to 7, empowers residents and visitors alike to take necessary precautions. By staying informed about UV exposure, you can enjoy the beautiful outdoors while protecting yourself against harmful rays.

Hourly UV Index in Porto Murtinho

Today’s UV Index showcases a dynamic progression throughout the day. Beginning with a gentle 1 at 07:00, the index steadily climbs, peaking at a robust 7 by 12:00—a reminder to stay protected around midday when sun exposure is strongest. The afternoon sees a slight decline, with values tapering to 4 at 14:00, before dropping to 2 by 15:00, and eventually settling at 1 by 17:00. As evening approaches, UV exposure recedes to 0 after 18:00, marking a safe time for outdoor activities without the worry of sunburn. Be sure to keep sunscreen handy during the peak hours for optimal protection!

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	3	moderate	30 min
10:00	5	moderate	30 min
11:00	6	high	25 min
12:00	7	high	25 min
13:00	6	high	25 min
14:00	4	moderate	30 min
15:00	2	low	45 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 Porto Murtinho

The UV Index exhibits significant seasonal variations, with the highest values occurring during the winter and early spring months. From January to April, the UV Index remains at an extreme level (15-11), indicating a very short burn time of just 10 minutes. This exposure continues into September through November, where levels drop slightly but remain in the extreme category (14-11). The months of May to August see a gradual decrease, with UV Index values classified as very high (8-9) and slightly longer burn times of 15 to 25 minutes. Visitors and residents are advised to take precautionary measures during the high-risk months of January to April and September to November. It’s crucial to wear protective clothing, apply sunscreen regularly, and seek shade during peak sunlight hours to mitigate the risks associated with high UV exposure.

Monthly Maximum UV Index for Porto Murtinho, Brazil

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

The table above highlights how UV exposure in Porto Murtinho 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.

Porto Murtinho'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
Porto Murtinho	15	15	13	11	8	7	8	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