UV Index in Gizo, Solomon Islands

Last updated: July 2, 2025

Understanding the UV Index in Gizo, Solomon Islands is essential for everyone who enjoys the sun-drenched beauty of this tropical paradise. Awareness of UV levels helps you take proactive measures against sunburn and promotes long-term skin health, as excessive exposure can lead to serious dermatological issues. Gizo's Af climate brings with it considerable UV exposure, particularly during peak hours from 10 AM to 2 PM, when the UV Index can reach as high as 11. By keeping an eye on the UV Index, you can better enjoy the stunning, sunlit days while protecting your skin from harmful effects.

Hourly UV Index in Gizo

The UV Index rises steadily throughout the morning, starting at a mere 1 at 07:00 and 08:00. By 09:00, it climbs to 3, but the real intensity hits between 10:00 and 13:00, peaking at a scorching 11 around 12:00 and maintaining that level through 13:00. As the afternoon progresses, the index begins to decline, dropping to 10 at 14:00 and further down to 7 by 15:00. With the sun starting to set, it dips rapidly to 3 by 16:00, before returning to the safety of 1 by 17:00 and 18:00, and ultimately falling to 0 at 19:00. Throughout this period, it’s clear that mid-day demands extra caution in terms of sun exposure!

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	11	extreme	10 min
14:00	10	very high	15 min
15:00	7	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 Gizo

Throughout the year, the UV Index remains consistently high, peaking at 16 in January, February, and March, indicating an extreme exposure category with a very short burn time of just 10 minutes. This extreme UV exposure persists through April and May, where values range from 12 to 15. The trend begins to slightly decrease in the summer months, with June and July recording an index of 11, increasing again to 13 in August, before returning to 15 from September through November. December maintains a UV Index of 15. With the highest UV Index values occurring from January through April, it is crucial for visitors and residents to take appropriate precautions during these months, such as wearing sunscreen, protective clothing, and sunglasses, and seeking shade to minimize skin damage.

Monthly Maximum UV Index for Gizo, Solomon Islands

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

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

Gizo's solar exposure compared to other cities in Solomon Islands. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Gizo	15	16	16	15	12	11	11	13	15	15	15	15
Auki UVI	15	16	16	15	13	11	11	13	15	15	15	14
Malango UVI	15	16	16	15	12	10	12	13	15	15	15	15
Buala UVI	15	16	16	15	13	11	11	13	15	15	15	14
Honiara UVI	16	16	16	15	12	10	12	14	15	15	15	15