UV Index in Buka, Papua New Guinea

Last updated: July 2, 2025

Awareness of the UV Index is crucial for residents of Buka, Papua New Guinea, where the tropical climate can lead to significant sun exposure. Understanding UV levels is essential not only for preventing painful sunburns but also for maintaining long-term skin health. In Buka's climate, where UV levels peak at an intense 12 around midday, taking protective measures becomes vital. With this in mind, knowing when to seek shade and apply sunscreen can make all the difference in enjoying the beautiful outdoors without compromising your skin's well-being.

Hourly UV Index in Buka

The UV Index throughout the day reveals a dynamic shift in sun strength. Starting off with a gentle maximum of 1 at both 07:00 and 08:00, the intensity begins to rise, reaching a moderate level of 3 by 09:00. As the clock strikes 10:00, the index leaps to 6, and by 11:00, it surges to 9, indicating increasing caution is needed. The day peaks at a scorching 11 at 12:00 and reaches its zenith with an astounding 12 at 13:00. A gradual decline follows, with levels dropping to 10 at 14:00, then 7 at 15:00, and finally settling back to 4 at 16:00. As the sun starts to set, the index plummets to 2 at 17:00, then quiets to 1 by 18:00, before dropping to 0 at 19:00. Be sure to take care 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	1	low	45 min
09:00	3	moderate	30 min
10:00	6	high	25 min
11:00	9	very high	15 min
12:00	11	extreme	10 min
13:00	12	extreme	10 min
14:00	10	very high	15 min
15:00	7	high	25 min
16:00	4	moderate	30 min
17:00	2	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Buka

Throughout the year, the UV Index remains extremely high, peaking at 17 in March. The risk of sunburn is significant, with a burn time of just 10 minutes regardless of the month. The highest risk months are January to April, where the UV Index consistently hovers around 16 or higher, signaling potential danger for unprotected skin. Even in the milder months of May to July, the UV Index remains above 11, indicating that sun protection is crucial. As such, both visitors and residents are strongly advised to take appropriate measures, including wearing protective clothing, applying sunscreen, and seeking shade, especially during peak sun hours. Staying informed about the UV levels can help everyone enjoy a safer outdoor experience.

Monthly Maximum UV Index for Buka, Papua New Guinea

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Buka. 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 Buka, 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 Buka UV Index with Other Papua New Guinea Cities

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

Buka's solar exposure compared to other cities in Papua New Guinea. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Port Moresby UVI	15	16	16	15	12	10	11	13	15	15	14	15
Arawa UVI	15	16	17	16	13	11	11	13	15	15	15	14
Buka	16	16	17	16	13	11	12	13	15	15	14	14
Popondetta UVI	16	16	16	15	13	11	12	14	15	16	15	15
Lae UVI	15	17	17	16	13	11	12	14	15	15	15	14
Mount Hagen UVI	16	17	18	17	14	12	13	14	16	16	15	16