UV Index in Calnali, Mexico

Last updated: May 3, 2025

Awareness of the UV Index is essential for residents and visitors in Calnali, Mexico, where the sun's rays can be particularly intense. Understanding UV levels is crucial for prevention of sunburn and maintaining long-term skin health, as exposure to high UV radiation can lead to serious skin issues. Nestled in a warm climate zone (Am), Calnali experiences periods of elevated UV exposure, especially during midday when values peak at a staggering 12. Knowing when to seek shade and protect your skin can make a significant difference in enjoying the beautiful outdoors while safeguarding your health.

Hourly UV Index in Calnali

The UV Index throughout the day presents a fascinating arc of intensity. Between 07:00 and 09:00, the index remains low, peaking at just 2. However, as the clock strikes 10:00, a notable increase is observed, with the index soaring to 5. The sun reaches its zenith around 12:00, with a striking 11, signaling a peak UV exposure period. This intensity continues at 12:00 and 13:00, both hitting 12 before gradually descending. By 15:00, it drops to 10, and further diminishes to 4 by 17:00, winding down to a gentle 1 by 19:00. It’s a reminder to embrace 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	1	low	45 min
08:00	1	low	45 min
09:00	2	low	45 min
10:00	5	moderate	30 min
11:00	8	very high	15 min
12:00	11	extreme	10 min
13:00	12	extreme	10 min
14:00	12	extreme	10 min
15:00	10	very high	15 min
16:00	7	high	25 min
17:00	4	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Calnali

Throughout the year, UV levels exhibit notable seasonal changes, with high-risk months generally occurring from February to October. The UV Index peaks at 13 in both June and July, categorizing these months as extreme with a burn time of only 10 minutes. Other months like March, April, May, August, September, and October also maintain an extreme index of 12, with similarly short burn times. In contrast, January and December see lower UV levels at 7, categorized as high, allowing for longer exposure times of 25 minutes. Given this data, it is crucial for visitors and residents to take necessary precautions during the high UV months, such as wearing protective clothing, using sunscreen, and seeking shade, especially during midday hours, to minimize the risk of sunburn and skin damage.

Monthly Maximum UV Index for Calnali, Mexico

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

The table above highlights how UV exposure in Calnali 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.

Calnali'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
Calnali	7	10	12	12	12	13	13	12	12	11	8	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