UV Index in Sananduva, Brazil

Last updated: June 2, 2025

Understanding the UV Index is essential for everyone in Sananduva, Brazil, as it plays a crucial role in maintaining skin health and preventing sunburn. High UV levels can lead to serious skin damage, making awareness of daily fluctuations vital for outdoor activities. With its Cfa climate, Sananduva experiences varied UV exposure throughout the day, peaking at a level of 5 between 12 PM and 1 PM. By keeping an eye on the UV Index, residents can enjoy the sunny weather while protecting their skin from harmful rays.

Hourly UV Index in Sananduva

At dawn, the UV Index begins at a gentle 0 by 07:00, indicating minimal exposure risk. As the sun rises higher, the index steadily climbs, reaching 1 at 08:00 and peaking at 5 between 12:00 and 13:00, when the sun’s rays are at their most intense. During these peak hours, it’s wise to don your sunscreen and protective gear. Following this zenith, the index gracefully descends, dropping to 4 at 14:00 and tapering off to 2 by 15:00. As the afternoon fades to evening, the UV levels reduce significantly, returning to a safe 0 by 18:00. This hourly UV pattern underscores the importance of sun safety during peak daylight 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	0	low	45 min
08:00	1	low	45 min
09:00	2	low	45 min
10:00	3	moderate	30 min
11:00	4	moderate	30 min
12:00	5	moderate	30 min
13:00	5	moderate	30 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 Sananduva

Throughout the year, the UV Index experiences significant seasonal variations, with the highest levels occurring from January to March and November to December, categorized as extreme with a burn time of just 10 minutes. April marks a transition with a very high UV Index of 10, while May and July see a decrease to high levels, allowing for longer burn times of 25 minutes. The summer months, June and August, present moderate to very high risks, where careful sun protection is still recommended. As September rolls in, the UV levels remain at very high, necessitating vigilance. Visitors and residents should take extra precautions in these high-risk months—especially from January to March and November to December—by wearing sunscreen, protective clothing, and seeking shade to minimize harmful exposure.

Monthly Maximum UV Index for Sananduva, Brazil

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

The table above highlights how UV exposure in Sananduva 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.

Sananduva'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
Sananduva	15	15	13	10	7	5	6	8	10	13	15	15
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
Fortaleza UVI	14	14	15	15	13	11	11	12	13	13	13	13