UV Index in Puerto San Jose, Guatemala

Last updated: May 3, 2025

In Puerto San Jose, Guatemala, being aware of the UV Index is vital for protecting your skin and overall health. Understanding UV levels is essential not just for sunburn prevention but also for reducing long-term skin damage. With a climate characterized by high sun exposure, particularly during peak hours when the UV Index can soar above 10, residents and visitors must stay informed. By monitoring these UV levels, you can enjoy the sun safely while taking necessary precautions to safeguard your skin health.

Hourly UV Index in Puerto San Jose

The UV Index throughout the day follows a dynamic pattern, peaking around midday. Starting at a gentle 1 at 07:00, it escalates rapidly, reaching 4 by 08:00. The intensity continues to climb, hitting 7 at 09:00 before soaring to a staggering 10 at 10:00. The highest level is observed at 12, where it maintains a powerful 13 from 12:00 to 13:00, prompting a strong call for sun protection. As the afternoon progresses, the index gradually declines, dropping back to 9 at 14:00 and then to 6 by 15:00. By late afternoon, the UV Index dips further to 3 at 16:00, before settling back down to 1 by 17:00 and waning to 0 after 19:00. This data underscores the importance of sun safety during the peak hours, particularly between 11:00 and 13:00.

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	4	moderate	30 min
09:00	7	high	25 min
10:00	10	very high	15 min
11:00	12	extreme	10 min
12:00	13	extreme	10 min
13:00	12	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 Puerto San Jose

The UV Index varies significantly throughout the year, peaking during the summer months from February to October, where it remains in the extreme category (UV Index 12-14) with a burn time of only 10 minutes. The high-risk months for UV exposure are February through October, particularly in June, which has the highest UV Index of 14. In contrast, November and December exhibit a lower UV Index of 9 with a very high exposure category, allowing for a burn time of 15 minutes. Visitors and residents are advised to take precautions during high UV months, such as wearing sunscreen, protective clothing, and seeking shade, especially during midday hours when UV levels are at their highest.

Monthly Maximum UV Index for Puerto San Jose, Guatemala

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

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

Puerto San Jose's solar exposure compared to other cities in Guatemala. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Puerto San Jose	10	12	13	13	13	14	13	13	13	12	9	9
Petapa UVI	11	13	14	15	14	14	14	14	14	13	10	10
Villa Nueva UVI	11	13	14	15	14	14	14	14	14	13	10	10
Mixco UVI	11	13	15	15	14	14	14	14	14	13	11	10
Guatemala City UVI	11	13	15	15	14	14	14	14	14	13	11	10
San Juan Sacatepequez UVI	11	13	15	15	14	14	15	14	14	13	11	10