UV Index in Chahal, Guatemala

Last updated: August 1, 2025

Understanding the UV Index is crucial for residents and visitors of Chahal, Guatemala, where the sun's intensity can pose significant risks. With peak UV levels reaching a staggering 13 around midday, awareness of these numbers can help prevent sunburn and protect long-term skin health. Chahal's tropical climate brings increased UV exposure, especially during the dry season, making it essential to stay informed and take appropriate measures against harmful rays. Whether you're basking in the sun or enjoying outdoor activities, knowing the UV Index can be a game-changer for your skin's well-being.

Hourly UV Index in Chahal

The UV Index today showcases a dramatic rise in intensity as the day progresses. Starting off gently at 1 at 07:00, it quickly ramps up to 4 by 08:00. The peak occurs between 11:00 and 12:00, where the index reaches a scorching 13, indicating a high risk of harm from unprotected sun exposure. As the afternoon wears on, the UV Index begins to decline, sliding down to 6 by 15:00 and further diminishing to 1 by 17:00. As evening approaches, the index drops to 0 at 19:00, signaling a safe time to relax outdoors without sun protection. This daily UV cycle serves as a reminder of the sun's powerful effects, encouraging sun safety during those 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	3	moderate	30 min
09:00	6	high	25 min
10:00	10	very high	15 min
11:00	12	extreme	10 min
12:00	13	extreme	10 min
13:00	12	extreme	10 min
14:00	10	very high	15 min
15:00	6	high	25 min
16:00	3	moderate	30 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Chahal

Throughout the year, seasonal UV changes indicate varying levels of sun exposure that can significantly impact skin health. The high-risk months for UV exposure span from February to October, with the highest UV Index readings occurring in March, April, and May, where it reaches an extreme level of 14. During these months, the recommended burn time is just 10 minutes, emphasizing the need for protective measures. Even in January and November, UV levels are classified as very high, indicating that residents and visitors should remain vigilant year-round. To safeguard against harmful UV rays, it is advisable to wear protective clothing, use broad-spectrum sunscreen, and seek shade, especially during peak sun hours.

Monthly Maximum UV Index for Chahal, Guatemala

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

The table above highlights how UV exposure in Chahal compares to other major locations across Guatemala. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Chahal's solar exposure compared to other cities in Guatemala. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Chahal	10	12	14	14	14	13	13	13	13	12	10	9
Petapa UVI	11	13	14	15	14	14	14	14	14	13	10	10
Villa Nueva UVI	11	13	14	15	14	14	14	14	14	13	10	10
Mixco UVI	11	13	15	15	14	14	14	14	14	13	11	10
Guatemala City UVI	11	13	15	15	14	14	14	14	14	13	11	10
San Juan Sacatepequez UVI	11	13	15	15	14	14	15	14	14	13	11	10