UV Index in Sayulita, Mexico

Last updated: May 3, 2025

In Sayulita, Mexico, understanding the UV Index is essential for sun lovers and beachgoers alike. With its tropical climate, this picturesque coastal town presents both stunning beauty and potential risks from high UV exposure—especially during the midday sun when levels can soar to a striking 12. By staying informed about the UV Index, you can effectively prevent sunburn and protect your skin health. As you plan your activities in Sayulita, remember that even on overcast days, UV rays can still pose a threat, making awareness crucial for a safe and enjoyable experience under the sun.

Hourly UV Index in Sayulita

The UV Index for the day begins its ascent at 08:00, starting at a low of 1, and steadily rises as the sun climbs higher in the sky. By 10:00, it reaches a moderate 4, but the real intensity hits at 12:00, peaking at a striking 10. From 13:00 to 14:00, the index holds strong at 12, indicating a high risk of harm from unprotected sun exposure. As the afternoon progresses, the index gradually declines, dropping back to 9 by 16:00 and further falling to 3 by 18:00. The evening brings a sense of relief as the UV levels retreat, ending the day with a gentle 1 at 19:00. This data emphasizes the need for sun safety during the peak hours of fully radiant sunshine!

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	12	extreme	10 min
15:00	11	extreme	10 min
16:00	9	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 Sayulita

The UV Index exhibits significant seasonal variation, with high-risk months primarily occurring from March through October, where the index reaches extreme levels of 12 to 13 and a burn time of just 10 minutes. Specifically, April and August record the highest UV Index of 13. Visitors and residents should take precautionary measures during these months—such as wearing sunscreen, protective clothing, and sunglasses, and seeking shade—particularly during peak sunlight hours. While January and February still present a very high risk with UV Index values of 8 and 10, the risk gradually decreases towards the end of the year, with November and December reflecting a high to moderate risk. It’s essential to stay informed and protect your skin throughout the year.

Monthly Maximum UV Index for Sayulita, Mexico

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

The table above highlights how UV exposure in Sayulita 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.

Sayulita'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
Sayulita	8	10	12	13	12	13	12	13	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