UV Index in Sana, Peru

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in Sana, Peru, where the sun shines brightly throughout the year due to its BWh climate. Awareness of UV levels helps in preventing sunburn and protecting skin health, making it essential to monitor daily fluctuations. At peak times, particularly around noon, the UV Index can soar to an intense level of 11, indicating significant risk of harm from unprotected sun exposure. Being informed about these levels empowers the community to take proactive measures against ultraviolet rays, ensuring a healthier and safer outdoor experience.

Hourly UV Index in Sana

At dawn, the UV Index starts at a gentle 1 by 7:00 AM, gradually rising as the sun climbs higher in the sky. By 9:00 AM, it reaches a moderate 4, urging early risers to stay vigilant. The intensity peaks at noon, hitting a scorching 11, indicating a high risk of harm from unprotected sun exposure. This peak continues until 1:00 PM, where it remains at 11 before beginning its descent. The afternoon sees a noticeable drop, with the index falling to 6 by 3:00 PM and further decreasing to 3 by 4:00 PM. As the day winds down, the UV Index drops to a safe 1 by 5:00 PM and finally falls to 0 by 7:00 PM, signaling the end of the sun's powerful rays. Stay informed and protect your skin 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	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	11	extreme	10 min
13:00	11	extreme	10 min
14:00	9	very high	15 min
15:00	6	high	25 min
16:00	3	moderate	30 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Sana

Throughout the year, the UV Index remains consistently high, indicating an extreme risk of harm from unprotected sun exposure. From January to April, the UV Index peaks at 15, creating a significant risk environment, followed closely by May and June where it remains high at 13 and 11, respectively. The high-risk months typically span from February to September, especially marked in March and September when the UV Index reaches 15 again. Visitors and residents should take precautions throughout the year, particularly during these peak months, by wearing sunscreen, protective clothing, and seeking shade to minimize the risk of skin damage, as 10 minutes of unprotected exposure can lead to burns.

Monthly Maximum UV Index for Sana, Peru

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

The table above highlights how UV exposure in Sana 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.

Sana'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
Sana	14	15	15	14	13	11	11	12	15	14	14	13
Chiclayo UVI	14	15	15	14	13	11	11	12	15	14	14	13
Arequipa UVI	18	17	17	15	12	10	11	13	15	17	18	17