UV Index in San Francisco Libre, Nicaragua

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors in San Francisco Libre, Nicaragua, where the sun's intensity can significantly impact skin health. With UV levels peaking at a staggering 13 from 11:00 AM to 12:00 PM, being aware of these fluctuations is essential for sunburn prevention and long-term skin protection. The region's tropical Aw climate brings not only beautiful weather but also heightened risk of UV exposure—making it vital to monitor daily UV readings and take appropriate precautions to enjoy the sun safely.

Hourly UV Index in San Francisco Libre

As the day unfolds, the UV Index climbs steadily, starting at a gentle 2 at 7:00 AM and reaching its peak of 13 between 11:00 AM and 12:00 PM. This midday sun calls for extra caution, as the intensity can lead to skin damage without protection. After this height, the index begins its gradual decline, dropping to 9 by 2:00 PM and further to 5 by 3:00 PM. By the late afternoon, as shadows lengthen, the UV Index decreases to 1 by 5:00 PM and eventually settles at 0 after 7:00 PM. Enjoy your day, but don’t forget to shield yourself 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	2	low	45 min
08:00	4	moderate	30 min
09:00	8	very high	15 min
10:00	11	extreme	10 min
11:00	13	extreme	10 min
12:00	13	extreme	10 min
13:00	12	extreme	10 min
14:00	9	very high	15 min
15:00	5	moderate	30 min
16:00	2	low	45 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in San Francisco Libre

The UV Index shows extreme levels of solar radiation from January through June, with values peaking at 14 between March and May, indicating a burn time of only 10 minutes for unprotected skin. The summer months—July through September—maintain a high UV Index of 13, sustaining the risk of skin damage within the same short exposure time. October also remains at 13, signifying the ongoing need for protection. By November and December, the index drops slightly to 10, categorized as very high, but the burn time increases to 15 minutes. Visitors and residents should take necessary precautions, such as wearing sunscreen, protective clothing, and seeking shade, especially during these high-risk months from January to October.

Monthly Maximum UV Index for San Francisco Libre, Nicaragua

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in San Francisco Libre. 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 San Francisco Libre, 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 San Francisco Libre UV Index with Other Nicaragua Cities

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

San Francisco Libre's solar exposure compared to other cities in Nicaragua. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Chinandega UVI	11	12	14	14	14	14	13	13	13	13	10	9
Leon UVI	11	12	14	14	14	14	13	13	13	13	10	10
San Francisco Libre	11	13	14	14	14	13	13	13	13	13	10	10
Managua UVI	11	13	14	14	14	13	13	13	13	13	10	10
Masaya UVI	11	13	14	14	14	14	14	13	13	13	10	10
Matagalpa UVI	11	13	15	15	14	14	14	14	14	14	11	10