UV Index in Iwon, South Korea

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents of Iwon, South Korea, as it plays a vital role in protecting skin health and preventing sunburn. With a Dwa climate that brings significant sun exposure, the UV levels can reach a peak of 12 during midday hours, indicating a high risk of harm. By staying informed about daily UV fluctuations, residents can take necessary precautions—such as applying sunscreen or seeking shade—to minimize their risk of skin damage and enjoy the beautiful sunny days in Iwon with confidence.

Hourly UV Index in Iwon

The UV Index for the day showcases a significant rise in intensity as the sun approaches its zenith. Starting off at a mild 1 at 07:00, the index climbs steadily, reaching 3 by 08:00. The real surge begins at 09:00, peaking at an impressive 12 by 12:00, indicating a high risk of harm from unprotected sun exposure. As the afternoon progresses, values gracefully taper down—with 11 at 13:00, and back to 10 at 14:00. By 15:00, the index drops to 8, then continues to decline into the evening, concluding the day with a serene 1 at 19:00. Be sure to stay protected during peak hours, especially between 10:00 and 14:00!

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	3	moderate	30 min
09:00	5	moderate	30 min
10:00	8	very high	15 min
11:00	10	very high	15 min
12:00	12	extreme	10 min
13:00	11	extreme	10 min
14:00	10	very high	15 min
15:00	8	very high	15 min
16:00	5	moderate	30 min
17:00	2	low	45 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Iwon

Throughout the year, UV exposure varies significantly, with the highest risks typically occurring in the summer months. Notably, June, July, and August see the peak UV Index at 11 to 12, classified as extreme, with a burn time of just 10 minutes. The spring months, particularly April and May, also present considerable risk with a UV Index of 9 (very high), requiring careful sun protection for 15 minutes of exposure. As autumn approaches, the UV Index decreases, with September still maintaining a 10 (very high) rating before dropping to moderate levels in November and December (UV Index 3-5). Residents and visitors are advised to take appropriate precautions during the high-risk months from March through September, including wearing sunscreen, protective clothing, and seeking shade during peak sunlight hours to minimize the risk of sunburn and harmful UV exposure.

Monthly Maximum UV Index for Iwon, South Korea

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

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

Iwon's solar exposure compared to other cities in South Korea. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Incheon UVI	3	4	6	8	9	10	11	11	9	6	4	3
Seoul UVI	3	4	6	8	9	10	11	11	9	6	4	3
Iwon	3	5	7	9	9	11	11	12	10	7	5	3
Daejeon UVI	3	5	7	9	9	11	11	12	10	7	5	3
Daegu UVI	3	5	7	10	10	11	12	12	10	7	5	3
Busan UVI	4	5	7	10	10	11	12	12	10	7	5	3