UV Index in San Francisco, Venezuela

Last updated: May 3, 2025

Understanding the UV Index is crucial for the residents and visitors of San Francisco, Venezuela, where the tropical climate brings with it notable UV exposure risks. Awareness of UV levels plays a significant role in preventing sunburn and maintaining optimal skin health. With peak UV readings soaring as high as 13 between 12 PM and 1 PM, it's essential to take precautions during these hours. San Francisco's warm, sunny days may invite outdoor activities, but knowing when to seek shade or apply sunscreen can significantly reduce the risk of harmful effects from excessive sun exposure. Stay informed, stay protected!

Hourly UV Index in San Francisco

The UV Index on this particular day exhibits a striking pattern, peaking at 13 between 12:00 PM and 1:00 PM, indicating a very high risk of harm from unprotected sun exposure. Rising steadily from a gentle 1 at 7:00 AM, it escalates sharply to 11 by 11:00 AM and reaches its zenith at noon. After this intense midday exposure, the index begins to decline, falling to 5 by 4:00 PM, then gradually tapering off to 0 by 7:00 PM. It's a clear reminder to stay protected during those peak hours, especially when the sun is highest in the sky!

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	11	extreme	10 min
12:00	13	extreme	10 min
13:00	13	extreme	10 min
14:00	11	extreme	10 min
15:00	8	very high	15 min
16:00	5	moderate	30 min
17:00	2	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in San Francisco

The UV Index displays a consistent pattern of extreme exposure from January through October, with levels peaking in March at 14. This indicates that the high-risk months for UV exposure are primarily January through October, where even minimal sun exposure can result in sunburn in just 10 minutes. Visitors and residents are advised to take precautionary measures, such as wearing sunscreen, protective clothing, and hats, especially during these months. As the year transitions into November and December, the UV Index slightly lowers to 10, categorized as very high, allowing for an extended burn time of 15 minutes—still a reminder to maintain sun safety practices.

Monthly Maximum UV Index for San Francisco, Venezuela

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

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

San Francisco's solar exposure compared to other cities in Venezuela. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
San Francisco	11	12	14	13	13	12	12	13	12	13	10	10
Maracaibo UVI	11	12	14	13	13	12	12	12	12	13	10	10
Valencia UVI	12	13	14	14	14	14	13	13	13	14	11	10
Maracay UVI	12	13	14	14	14	14	13	13	14	14	11	10
Barquisimeto UVI	12	13	14	14	15	14	13	14	14	13	12	10
Caracas UVI	12	13	15	14	14	14	13	13	14	14	12	11