UV Index in Valparaiso, Mexico

Last updated: August 1, 2025

In Valparaiso, Mexico, being aware of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels is essential not only for preventing painful sunburns but also for safeguarding against long-term skin damage and conditions like skin cancer. Valparaiso's semi-arid BSk climate brings plenty of sunshine, which means that UV exposure can reach dangerously high levels, especially around midday when the index peaks at a striking 14. By staying informed about the daily UV index and taking appropriate precautions, you can enjoy the beautiful weather while keeping your skin safe from harm.

Hourly UV Index in Valparaiso

The UV Index journey throughout the day reveals a striking portrait of sun intensity. Starting from a low of 0 at 07:00, the sun gradually awakens, with levels rising to 1 by 08:00. The real surge begins at 09:00, climbing to 4 by 10:00 and peaking dramatically at 11:00 with a soaring 8. As noon approaches, the index hits its zenith at 12:00 with an impressive 11, followed by a blistering 14 at 13:00 and 14:00, indicating extreme conditions that demand caution. The sun then begins its descent, with a gradual decline to 10 at 16:00, dropping further to 7 by 17:00, and finally retreating to a gentle 4 by 18:00. As evening sets in, the index finishes its day at a mild 1 by 19:00, reminding us of the sun's powerful presence and the importance of sun safety during 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	0	low	45 min
08:00	1	low	45 min
09:00	2	low	45 min
10:00	4	moderate	30 min
11:00	7	high	25 min
12:00	11	extreme	10 min
13:00	13	extreme	10 min
14:00	14	extreme	10 min
15:00	13	extreme	10 min
16:00	10	very high	15 min
17:00	6	high	25 min
18:00	3	moderate	30 min
19:00	1	low	45 min

Monthly UV Index Trends in Valparaiso

The UV Index exhibits significant seasonal variations, with the highest values typically recorded between February and October. During these months, particularly March through October, the UV Index reaches extreme levels, peaking at 15 in both April and May, providing only a brief burn time of 10 minutes. January and December are classified as very high with values of 8, allowing a slightly longer burn time of 15 minutes. As high-risk months, February to October demand increased awareness and protection methods to prevent sunburn and longer-term health issues. Visitors and residents are strongly advised to apply broad-spectrum sunscreen, wear protective clothing, and seek shade during peak hours to mitigate the risks associated with intense UV exposure.

Monthly Maximum UV Index for Valparaiso, Mexico

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

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

Valparaiso's solar exposure compared to other cities in Mexico. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Guadalajara UVI	9	11	14	14	14	13	13	13	13	12	9	8
Valparaiso	8	11	13	15	15	14	14	14	14	12	10	8
Iztapalapa UVI	10	12	14	15	14	14	14	14	14	12	10	8
Ecatepec de Morelos UVI	10	12	14	15	15	14	14	13	14	12	10	8
Mexico City UVI	10	12	14	15	15	14	14	13	14	12	10	8
Puebla UVI	10	12	14	15	15	15	15	14	14	13	10	9