UV Index in Tonaya, Mexico

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in Tonaya, Mexico, where the intense sun can pose serious risks to skin health. With a climate characterized by a Cwa zone, the potential for harmful UV exposure is especially high during midday hours, reaching alarming levels of up to 13 around 2 PM. Being aware of these UV levels helps prevent painful sunburns and long-term skin damage. By staying informed about the UV Index, you can protect yourself and enjoy the beautiful Mexico sun safely.

Hourly UV Index in Tonaya

Today’s UV Index reveals a striking fluctuation in sun intensity throughout the hours. Starting the morning at a safe 0 around 7:00 AM, values gradually climb as the day progresses. By 10:00 AM, the UV index reaches 4, signaling the need for some sun protection. The afternoon peaks with a staggering 13 at 2:00 PM, marking the most intense sun exposure. As the sun begins to set, the risk decreases, falling to 6 by 5:00 PM and dropping to 1 by 7:00 PM, providing a much-needed respite as the day winds down. Stay vigilant during peak hours and enjoy the sunshine safely!

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	10	very high	15 min
13:00	12	extreme	10 min
14:00	13	extreme	10 min
15:00	12	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 Tonaya

Throughout the year, the UV Index experiences significant fluctuations, with the highest risk months occurring from February to September, when the index reaches extreme levels of 11 to 14 and requires minimal exposure times of just 10 minutes to avoid sunburn. In contrast, the months of November and December see the UV Index drop to 9 and 8 respectively, categorized as very high with longer burn times of 15 minutes. Residents and visitors are advised to take extra precautions during the peak months, such as wearing sunscreen, protective clothing, and seeking shade during peak sun hours, to safeguard against harmful UV radiation.

Monthly Maximum UV Index for Tonaya, Mexico

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

The table above highlights how UV exposure in Tonaya 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.

Tonaya'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
Tonaya	9	11	14	14	14	14	13	13	14	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