UV Index in Alamos, Mexico

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in Alamos, Mexico, where the sun's rays can be particularly intense. With UV levels peaking at 12 around midday, awareness of these fluctuations is essential for preventing sunburn and maintaining long-term skin health. Situated in a Csa climate zone, Alamos enjoys a predominantly sunny and warm environment, which increases the risk of skin damage from overexposure to UV radiation. By keeping an eye on the UV Index, you can make informed decisions about sun protection and enjoy the beautiful outdoor activities that Alamos has to offer while safeguarding your health.

Hourly UV Index in Alamos

At dawn, the UV Index starts low at 1 around 07:00, making it a gentle introduction to the day. As the sun rises higher, the intensity increases rapidly, peaking at 12 by 12:00—perfect for sunbathers and outdoor enthusiasts seeking that golden glow. The midday sun commands attention, with values reaching 11 at 11:00 and 13:00, encouraging sun safety precautions. As the afternoon rolls in, the UV Index begins to wane, dropping to 9 at 14:00 and further to 4 by 16:00. By evening, the UV exposure diminishes significantly, settling back to 1 by 19:00, ushering in a gentle dusk. It’s essential to stay informed and safeguard against the sun’s rays, especially during those peak midday 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	1	low	45 min
08:00	3	moderate	30 min
09:00	6	high	25 min
10:00	8	very high	15 min
11:00	11	extreme	10 min
12:00	12	extreme	10 min
13:00	11	extreme	10 min
14:00	9	very high	15 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	1	low	45 min

Monthly UV Index Trends in Alamos

Throughout the year, UV exposure varies significantly, peaking during the summer months from April to September, where the UV Index reaches an extreme category of 12, allowing for a burn time of just 10 minutes. Visitors and residents should be particularly cautious in the high-risk months of February through September, with March to August being the peak months for very high and extreme exposure. During these periods, it's crucial to apply sunscreen frequently, wear protective clothing, and seek shade to reduce the risk of harmful sunburns. As the seasons shift, January and November see a high exposure risk, while December has a moderate level of UV, making it essential to stay vigilant regardless of the month.

Monthly Maximum UV Index for Alamos, Mexico

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

The table above highlights how UV exposure in Alamos 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.

Alamos'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
Alamos	6	8	10	12	12	12	12	12	11	9	7	5
Guadalajara UVI	9	11	14	14	14	13	13	13	13	12	9	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