UV Index in Casian, Philippines

Last updated: May 3, 2025

Understanding the UV Index is crucial for staying safe in Casian, Philippines, where the sun's rays can be particularly intense. With UV levels often peaking at 14 during midday, residents and visitors alike must be vigilant to prevent sunburn and protect skin health. Recognizing these levels not only helps in avoiding immediate skin damage but also aids in reducing the long-term risk of skin conditions. Given Casian's tropical climate, the potential for harmful UV exposure is high, making awareness of the UV Index essential for enjoying the beautiful outdoors while keeping your skin safe.

Hourly UV Index in Casian

The UV Index throughout the day reveals a dynamic shift in sun intensity. As early as 7:00 AM, it starts at a moderate level of 1, but by 9:00 AM, it climbs to a more potent 7. The peak arrives around 12:00 PM, hitting an intense 14, signaling the need for sun protection. As the afternoon progresses, the index gradually declines, reaching 6 by 3:00 PM, then trailing off to 1 by 5:00 PM and below, settling at 0 by 7:00 PM. This data underscores the importance of being vigilant during midday hours when UV exposure is at its highest. Stay safe and enjoy the sun wisely!

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	4	moderate	30 min
09:00	7	high	25 min
10:00	11	extreme	10 min
11:00	13	extreme	10 min
12:00	14	extreme	10 min
13:00	13	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 Casian

Throughout the year, the UV Index remains notably high, with several months classified under the extreme exposure category. From January to March, the UV Index reaches its peak at 15, particularly in March and April, emphasizing the importance of minimizing sun exposure during these months. May and June witness a slight decline, yet the index remains at 14, signifying that caution is still necessary. Notably, the summer months of July and August retain an index of 14 to 15, continuing the trend of high UV levels, which persists into September. As October approaches, there’s a marginal decrease to 14, before dropping to 12 in November and 11 in December. Visitors and residents alike should take proactive measures to protect themselves from UV radiation, especially during the high-risk months of March through September, ensuring the application of sunscreen, wearing protective clothing, and seeking shade whenever possible.

Monthly Maximum UV Index for Casian, Philippines

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

The table above highlights how UV exposure in Casian 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.

Casian'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
Casian	12	14	15	15	14	14	14	15	15	14	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