UV Index in Boston, Philippines

Last updated: May 3, 2025

The UV Index in Boston, Philippines is a crucial tool for safeguarding your skin against harmful ultraviolet rays. With its tropical climate, Boston experiences varying UV levels throughout the day, often peaking during midday when the index reaches a maximum of 15. Understanding these UV levels is essential not only for preventing sunburn but also for promoting long-term skin health. As you navigate your outdoor activities, staying informed about the UV Index can help you take proactive measures—like seeking shade or applying sunscreen—ensuring you enjoy the beautiful Philippine sun while minimizing the risks of UV exposure.

Hourly UV Index in Boston

The UV index for the day showcases a dramatic rise as the sun ascends, peaking at a maximum of 15 between 11:00 and 12:00. Early risers will find a mild index of 2 at 07:00, but by 09:00, it escalates to 9, urging caution for those venturing outdoors. The midday hours reveal the highest activity on the UV scale, recording 13 at 10:00 and reaching its zenith with 15 at 11:00. As the afternoon progresses, the index begins to wane, dipping to 12 by 13:00, and dropping to 4 by 15:00. Later, the evening brings relief, with values of 2 at 16:00, followed by a gentle descent to 1 at 17:00 and ultimately falling to 0 by 19:00, signaling a complete end to UV exposure for the day. It's a reminder to enjoy the sun safely, especially 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	5	moderate	30 min
09:00	9	very high	15 min
10:00	13	extreme	10 min
11:00	15	extreme	10 min
12:00	15	extreme	10 min
13:00	12	extreme	10 min
14:00	8	very high	15 min
15:00	4	moderate	30 min
16:00	2	low	45 min
17:00	1	low	45 min
18:00	0	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Boston

During the year, the UV Index remains consistently high, reflecting an extreme exposure category and a burn time of just 10 minutes across all months. The highest UV readings occur from February to April, peaking at 16, making these the high-risk months for sun exposure. Visitors and residents are advised to take precautionary measures, such as wearing protective clothing, applying sunscreen regularly, and seeking shade during peak sunlight hours. Staying informed about UV levels can help mitigate the risks associated with prolonged sun exposure.

Monthly Maximum UV Index for Boston, Philippines

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

The table above highlights how UV exposure in Boston 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.

Boston'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
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
Boston	13	15	16	16	15	14	14	15	15	14	13	12