UV Index in Cristalina, Brazil

Last updated: July 2, 2025

In Cristalina, Brazil, being aware of the UV Index is essential for protecting your skin from harmful sun exposure. Understanding UV levels can help you prevent sunburn, reduce the risk of skin cancer, and maintain overall skin health. With a tropical rainforest climate that often leads to high UV exposure, especially between 10 AM and 2 PM, residents and visitors alike should be vigilant about sun safety. Keep an eye on the UV Index to enjoy the beautiful outdoors while safeguarding your skin!

Hourly UV Index in Cristalina

The UV Index throughout the day showcases a clear progression of intensity, peaking sharply during midday. Starting from a mild 1 at 7:00 AM and 8:00 AM, the index climbs steadily, reaching a moderate 3 by 9:00 AM. However, as the sun ascends, the UV intensity escalates dramatically, hitting a striking 10 at 12:00 PM—the highest level of the day. This peak is followed by a gradual decline, with readings of 9 at 1:00 PM, 7 at 2:00 PM, and tapering down to a more manageable 4 by 3:00 PM. As the sun begins to set, the UV levels drop quickly, returning to 1 at 5:00 PM and finally fading to 0 by 6:00 PM. Stay protected during those peak 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	1	low	45 min
08:00	1	low	45 min
09:00	3	moderate	30 min
10:00	6	high	25 min
11:00	8	very high	15 min
12:00	10	very high	15 min
13:00	9	very high	15 min
14:00	7	high	25 min
15:00	4	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 Cristalina

The UV Index in this region experiences significant seasonal variations, with extreme exposure levels occurring predominantly from January to April and again from August to November. The highest UV Index values are recorded from December (17) and January to March (16), indicating a high-risk period for skin damage, where the burn time is a mere 10 minutes. As the year progresses, the index slightly decreases in May (10) and June (9), categorized as very high, but residents and visitors should still be cautious, with burn times extending to 15 minutes. To protect against harmful UV radiation, it is advisable to limit direct sun exposure, especially during peak hours, and to apply broad-spectrum sunscreen regularly, particularly in the high-risk months.

Monthly Maximum UV Index for Cristalina, Brazil

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

The table above highlights how UV exposure in Cristalina 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.

Cristalina'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
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
Cristalina	16	16	15	13	10	9	10	12	13	14	15	17