UV Index in Tonalapa (Santa Barbara), Mexico

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors of Tonalapa (Santa Barbara), Mexico, where the climate fosters plenty of sunshine throughout the year. Knowledge of UV levels plays a vital role in preventing sunburn and protecting skin health, especially during peak hours when UV radiation can soar to a blistering 14 around midday. With Tonalapa's warm Cfa climate, it's essential to gauge daily UV exposure risks—ranging from moderate to extremely high—to enjoy the outdoors safely while minimizing the risk of skin damage. Stay informed, stay protected!

Hourly UV Index in Tonalapa (Santa Barbara)

Throughout the day, the UV Index reveals a dynamic rise and fall in sun exposure, starting gently at a maximum of 1 at 7:00 AM and 8:00 AM. As the sun climbs higher, the index spikes to 6 by 10:00 AM and escalates dramatically to its peak of 14 at 1:00 PM. Following this zenith, it gradually descends, settling at 11 by 3:00 PM, before tapering off to a mellow 1 by 7:00 PM. This pattern underscores the importance of sun protection during the midday hours when the UV Index reaches its highest levels, ensuring safety while enjoying the outdoors.

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	3	moderate	30 min
10:00	6	high	25 min
11:00	9	very high	15 min
12:00	12	extreme	10 min
13:00	14	extreme	10 min
14:00	13	extreme	10 min
15:00	11	extreme	10 min
16:00	8	very high	15 min
17:00	5	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Tonalapa (Santa Barbara)

Throughout the year, UV index levels vary significantly, with the highest risk months occurring from February to October. During this period, the UV index reaches extreme levels, peaking at 14 in May, June, and July, where the burn time is as short as 10 minutes. Notably, March and April also present extreme conditions, making it crucial for visitors and residents to take precautions. The months of November and December show a slight reduction with a UV index of 9 and 8 respectively, falling into the very high exposure category, suggesting that UV protection remains important even in winter. To stay safe, everyone is advised to wear sunscreen, protective clothing, and sunglasses, and to limit sun exposure during peak hours, particularly in the spring and summer months.

Monthly Maximum UV Index for Tonalapa (Santa Barbara), Mexico

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

The table above highlights how UV exposure in Tonalapa (Santa Barbara) 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.

Tonalapa (Santa Barbara)'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
Tonalapa (Santa Barbara)	8	11	12	13	14	14	14	13	13	12	9	8
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