UV Index in San Jose, Panama

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors in San Jose, Panama, where the climate is predominantly tropical, leading to high sun exposure levels throughout the year. Familiarizing yourself with the UV levels not only helps in preventing sunburn but also plays a pivotal role in maintaining long-term skin health. With peak UV Index values soaring to 13 between 12:00 PM and 1:00 PM, it’s essential to be aware of the risks associated with high UV exposure in this vibrant city. Whether you're enjoying outdoor activities or simply soaking up the sun, being informed can make all the difference in protecting your skin.

Hourly UV Index in San Jose

As the sun rises, the UV Index starts its slow climb, peaking at 13 between noon and 1 PM, signaling extreme UV exposure. The day begins gently at 7 AM with a minimal index of 1, but by 10 AM, it reaches 9, urging sun-sensitive individuals to seek protection. The highest reading of 13 persists for two hours, making midday the most critical time for sun safety. As the afternoon rolls in, the index gradually decreases, dipping to 7 by 3 PM, and further waning into the evening with values of 4 at 4 PM, 2 at 5 PM, and falling to a comfortable 1 by 6 PM. Finally, the UV Index settles at 0 after sunset, marking the end of a sun-drenched day.

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	3	moderate	30 min
09:00	5	moderate	30 min
10:00	9	very high	15 min
11:00	12	extreme	10 min
12:00	13	extreme	10 min
13:00	13	extreme	10 min
14:00	11	extreme	10 min
15:00	7	high	25 min
16:00	4	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 Jose

The UV Index shows significant seasonal fluctuations, remaining consistently high throughout the year. January to May sees particularly elevated values, peaking at 15 in April and May, indicating an extreme exposure category with a burn time of just 10 minutes. The months of March through September are particularly high-risk, with April and May being the most intense. Even during the latter half of the year, from October to December, UV levels remain concerning, ranging from 11 to 13. Visitors and residents should take precautionary measures during these high-risk months, including using sunscreen, wearing protective clothing, and limiting sun exposure during peak hours to minimize the risk of sunburn and skin damage.

Monthly Maximum UV Index for San Jose, Panama

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

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

San Jose's solar exposure compared to other cities in Panama. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Arraijan UVI	12	13	14	15	14	13	14	13	13	13	11	10
Juan Diaz UVI	12	13	14	15	14	13	14	13	13	13	11	10
San Miguelito UVI	12	13	14	15	14	13	14	13	13	13	11	10
Panama UVI	12	13	14	15	14	13	14	13	13	13	11	10
San Jose	12	13	14	15	15	13	13	14	14	13	12	11
David UVI	12	13	14	15	14	13	14	13	14	14	12	11