UV Index in Primero de Mayo, Mexico

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents of Primero de Mayo, Mexico, where the combination of a BSk climate and high altitudes can lead to significantly increased UV exposure. Knowing the UV levels helps in preventing sunburn and safeguarding your skin health. During the sunniest parts of the day, particularly between 11:00 AM and 2:00 PM, the UV Index peaks at 14, indicating a very high risk of harm from unprotected sun exposure. Awareness of these levels is essential for anyone spending time outdoors, ensuring you take the necessary precautions to enjoy the beautiful outdoors while protecting your skin.

Hourly UV Index in Primero de Mayo

The UV Index data paints a vivid picture of the sun's intensity throughout the day. Starting off gentle at 07:00 with a reading of 0, the index gradually climbs. By 10:00, it reaches 4, signaling moderate exposure. The peak occurs at 14:00, hitting a striking 14—a high risk period that calls for protective measures. As the afternoon wanes, the index begins to decline, dropping to 10 by 16:00 and then tapering off to 2 by 19:00. This progression emphasizes the importance of sun safety during midday hours when the sun is most potent.

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	7	high	25 min
18:00	4	moderate	30 min
19:00	2	low	45 min

Monthly UV Index Trends in Primero de Mayo

The UV Index exhibits significant seasonal fluctuations, with the highest values occurring from February to September, where it reaches extreme levels of 11 to 15 and a dangerously low burn time of just 10 minutes. Particularly, March through May remain high-risk months, making sun protection essential during this period. Visitors and residents are advised to minimize sun exposure during these months, especially from 10 AM to 4 PM, and to wear broad-spectrum sunscreen, protective clothing, and wide-brimmed hats. As we transition into the latter part of the year, the UV Index decreases, with November and December presenting a moderate risk, allowing for slightly longer burn times of 15 to 25 minutes. Nonetheless, caution is still recommended to avoid skin damage.

Monthly Maximum UV Index for Primero de Mayo, Mexico

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

The table above highlights how UV exposure in Primero de Mayo 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.

Primero de Mayo'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
Primero de Mayo	8	11	13	15	14	14	14	14	13	12	9	7
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