UV Index in Sigma, Philippines

Last updated: June 2, 2025

In Sigma, Philippines, understanding the UV Index is essential for safeguarding your skin from the sun's harmful rays. With the typical climate leaning towards the tropical, residents and visitors alike must be vigilant about UV exposure to prevent sunburn and long-term skin damage. The UV levels are notably high around midday, peaking at 13 between 11:00 AM and 12:00 PM, highlighting the importance of awareness during these hours. By familiarizing yourself with the UV Index, you can enjoy the beautiful outdoors while effectively protecting your skin health.

Hourly UV Index in Sigma

As the sun rises, the UV Index starts at a mild 2 at 7:00 AM, making it a gentle beginning to the day. By 8:00 AM, it climbs to 4, hinting at the need for a bit of sun protection. The intensity reaches its peak between 10:00 AM and 12:00 PM, soaring to a high of 13. This powerful midday sun calls for extra caution as the UV index hovers at this level for two consecutive hours before gradually tapering off. By 3:00 PM, the UV Index drops to 5 and continues to decline, hitting 1 by 5:00 PM. As evening approaches, the UV levels ease to 0 by 7:00 PM, wrapping up the day with a low-risk, sun-safe atmosphere. Enjoy the bright moments, but don’t forget your sunscreen 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	2	low	45 min
08:00	4	moderate	30 min
09:00	7	high	25 min
10:00	11	extreme	10 min
11:00	13	extreme	10 min
12:00	13	extreme	10 min
13:00	12	extreme	10 min
14:00	9	very high	15 min
15:00	5	moderate	30 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 Sigma

Throughout the year, the UV Index remains high, with values consistently ranging from 11 to 16, categorizing these months as extreme risk for UV exposure. Particularly high-risk months are from January to May, where the UV Index peaks at 16 in both March and April, indicating a burn time of just 10 minutes. The intensity of UV radiation remains significant during the summer months, with values of 14 to 15 in July and August. Visitors and residents should take proactive measures to protect their skin throughout the year, especially during these peak months. It is advisable to wear broad-spectrum sunscreen, protective clothing, and seek shade during the hottest parts of the day to minimize the risk of sunburn and long-term skin damage.

Monthly Maximum UV Index for Sigma, Philippines

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

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

Sigma's solar exposure compared to other cities in Philippines. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Caloocan City UVI	11	13	15	15	13	14	13	14	14	13	10	10
Quezon City UVI	11	13	15	15	13	14	13	14	14	13	10	10
Manila UVI	11	13	14	14	13	13	13	14	14	13	10	10
Sigma	12	14	16	16	13	14	14	15	14	13	12	11
Budta UVI	13	15	16	16	14	13	14	14	15	14	13	11
Davao UVI	13	15	16	15	15	13	14	14	15	14	13	11