UV Index in Rio Grande, Peru

Last updated: June 2, 2025

Understanding the UV Index is crucial in Rio Grande, Peru, where the warm BWh climate presents unique sun exposure challenges. As UV levels can soar to a maximum of 10 during midday hours, being aware of these fluctuations is essential for preventing sunburn and protecting your skin health. With this knowledge, you can make informed decisions about sun protection at different times of the day, especially from 10 AM to 2 PM, when the sun's rays are most intense. Embrace the sunshine wisely and safeguard your skin while enjoying all that Rio Grande has to offer!

Hourly UV Index in Rio Grande

As the sun rises, the UV Index begins its climb, starting at a modest 1 at 07:00. By 08:00, it gently increases to 2, signaling a day of strengthening rays. The intensity peaks around 12:00 with a striking 10, indicating the time for caution and sun protection. As midday passes, the index gradually declines, dropping to 6 at 14:00 before continuing its descent to 4 at 15:00. By 17:00, it returns to a safer 1, and eventually fades to 0 after 18:00, marking a gentle close to the day. This data underscores the importance of seeking shade and wearing sunscreen during the midday hours when the UV exposure is at its most intense.

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	4	moderate	30 min
10:00	7	high	25 min
11:00	9	very high	15 min
12:00	10	very high	15 min
13:00	9	very high	15 min
14:00	6	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 Rio Grande

Throughout the year, the UV Index experiences significant fluctuations, with extreme exposure levels persisting from January through April and again from July to November. High-risk months for UV exposure include January, February, March, April, July, August, October, and November when the UV Index ranges from 16 to 17. During these months, the burn time is notably short—just 10 minutes underscoring the urgency for protective measures. Even in June, while the UV Index drops to 10, the exposure remains classified as very high, allowing for a slightly longer burn time of 15 minutes. Visitors and residents should prioritize sun safety by wearing protective clothing, using sunscreen, and limiting outdoor activities during peak sunlight hours to minimize the risk of skin damage.

Monthly Maximum UV Index for Rio Grande, Peru

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

The table above highlights how UV exposure in Rio Grande compares to other major locations across Peru. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Rio Grande's solar exposure compared to other cities in Peru. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Callao UVI	14	14	14	12	10	9	10	11	12	13	14	13
Lima UVI	14	14	14	12	10	9	10	11	12	13	14	13
Trujillo UVI	15	15	15	14	12	11	11	11	13	14	14	14
Chiclayo UVI	14	15	15	14	13	11	11	12	15	14	14	13
Rio Grande	17	16	16	14	12	10	11	13	14	16	17	16
Arequipa UVI	18	17	17	15	12	10	11	13	15	17	18	17