UV Index in Londrina, Brazil

Last updated: June 2, 2025

Understanding the UV Index in Londrina, Brazil, is essential for protecting your skin and overall health. With UV levels reaching up to 6 during midday hours, awareness of these fluctuations can help prevent sunburn and reduce the long-term risks of skin damage. Londrina's Cfa climate provides ample sunshine year-round, making it crucial for residents and visitors alike to stay informed about UV exposure. By keeping an eye on the UV Index, you can enjoy the beautiful outdoors while ensuring your skin remains safe and healthy.

Hourly UV Index in Londrina

The UV Index forecast showcases a dynamic day ahead, starting off gently in the early morning with values of 1 at 07:00 and 08:00. As the sun rises higher, we see a gradual increase, peaking at 6 between 12:00 and 13:00, indicating a need for sun protection during these hours. Particularly, the 11:00 and 12:00 slots mark significant levels, reaching 5 and 6 respectively, suggesting that outdoor activities should be planned with caution. As the afternoon progresses, the UV Index dips to 5 at 14:00 and continues to fall, descending to 3 by 15:00. By evening, the UV Index returns to a safer level of 1 by 16:00, and drops to 0 from 18:00 onwards, indicating a soothing end to the day.

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	5	moderate	30 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 Londrina

The UV Index exhibits significant seasonal variations, with extreme levels recorded from January to April and again in September to November. The highest risk months are January, February, December, and November, where the UV Index soars to 15 or higher, indicating a burn time of just 10 minutes. As spring approaches, the risk slightly decreases, peaking in April before dropping to 8 in May and settling into the high category during June and July. August sees a return to very high levels. Visitors and residents are strongly advised to take precautions during these high-risk months, including wearing protective clothing, applying sunscreen, and seeking shade to minimize exposure and reduce the risk of skin damage.

Monthly Maximum UV Index for Londrina, Brazil

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

The table above highlights how UV exposure in Londrina 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.

Londrina'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
Londrina	15	15	13	11	8	6	7	9	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