UV Index in Tulum, Mexico

Last updated: June 2, 2025

In Tulum, Mexico, being aware of the UV Index is crucial for both residents and visitors alike. Understanding UV levels is essential for preventing sunburn and promoting overall skin health, especially in this tropical paradise where the sun's rays can be intense. Tulum’s Aw climate brings plenty of sunshine year-round, with peak UV radiation occurring between 11 AM and 2 PM when values can soar above 11, posing significant exposure risks. By staying informed about the UV Index, you can enjoy Tulum's stunning beaches and vibrant outdoor activities while protecting your skin from harmful effects.

Hourly UV Index in Tulum

The UV Index today showcases a dynamic journey through the hours, beginning with a gentle rise at 07:00 with a safe level of 1. As the sun climbs higher, a noticeable increase brings the index to 4 by 09:00, before peaking at an intense 14 around 13:00. This midday high of 13 is particularly important, signaling a period of significant UV radiation where protective measures are advisable. As the afternoon progresses, the index starts to dip, dropping to 6 by 16:00 and stabilizing at a comfortable 1 by 18:00. This hourly pattern highlights the importance of staying sun-safe during the intensity of the midday sun, while enjoying lower UV levels later in the day.

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	2	low	45 min
09:00	4	moderate	30 min
10:00	8	very high	15 min
11:00	11	extreme	10 min
12:00	13	extreme	10 min
13:00	14	extreme	10 min
14:00	12	extreme	10 min
15:00	9	very high	15 min
16:00	6	high	25 min
17:00	3	moderate	30 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Tulum

Throughout the year, UV levels exhibit significant seasonal variations, peaking during the spring and summer months. March through October represents the highest risk period, with UV Index values consistently in the extreme category (10-14) and a dangerously low burn time of only 10 minutes. January and February maintain a very high risk, with a UV Index of 8-10 and a slightly longer burn time of 15 minutes. In contrast, November and December see a reduction in UV exposure, categorized as very high and high, respectively, with burn times extending to 15-25 minutes. Visitors and residents are strongly advised to take precautions during high-risk months by applying sunscreen, wearing protective clothing, and limiting sun exposure, especially between 10 AM and 4 PM when UV rays are most intense.

Monthly Maximum UV Index for Tulum, Mexico

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

The table above highlights how UV exposure in Tulum 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.

Tulum'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
Tulum	8	10	13	13	13	14	12	12	12	11	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