UV Index in Pangai, Tonga

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors in Pangai, Tonga, where the tropical climate brings abundant sunshine and elevated UV levels throughout the day. Being aware of UV exposure is essential for sunburn prevention and protecting skin health, especially as midday values can reach up to 7—a significant risk for anyone outdoors. With a typical pattern of increasing UV exposure from late morning to early afternoon, it’s important to stay informed and take appropriate precautions to enjoy the natural beauty of Pangai while keeping your skin safe.

Hourly UV Index in Pangai

The UV Index for the day presents a dynamic profile, starting from a protective 0 at 07:00 and slowly rising throughout the morning. By 10:00, it reaches a moderate 4, escalating to a peak of 7 between 12:00 and 13:00, indicating it’s time for sun safety precautions. As the afternoon progresses, the index dips gradually; by 16:00, it falls to 2, and finally returns to 0 by 18:00. Plan your day accordingly—early morning and late evening are your best bets for sun exposure, while midday calls for care!

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	0	low	45 min
08:00	1	low	45 min
09:00	2	low	45 min
10:00	4	moderate	30 min
11:00	6	high	25 min
12:00	7	high	25 min
13:00	7	high	25 min
14:00	6	high	25 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 Pangai

The UV Index experiences significant seasonal fluctuations throughout the year, with extreme levels persisting from January to April and September to November, where the burn time is notably short at just 10 minutes. The high-risk months are from January to April and September to November, when the UV Index remains at 12 or above, indicating a heightened risk of skin damage. In contrast, May to August sees a decrease in UV intensity, with May registering a very high index at 9, and July peaking at 15 again. Residents and visitors are advised to take precautionary measures during high-risk months by using sunscreen, wearing protective clothing, and minimizing sun exposure, especially during peak hours, to ensure skin safety and overall health.

Monthly Maximum UV Index for Pangai, Tonga

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

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

Pangai's solar exposure compared to other cities in Tonga. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Tatakamotonga UVI	16	15	14	11	9	7	8	10	11	13	15	16
Haveluloto UVI	16	15	14	11	9	7	8	10	11	13	15	16
Lapaha UVI	16	15	14	11	9	7	8	10	11	13	15	16
Nuku'alofa UVI	16	15	14	11	9	7	8	10	11	13	15	16
Pangai	16	15	15	12	9	7	8	10	12	14	15	16
Neiafu UVI	16	16	15	12	9	7	8	11	12	14	15	16