UV Index in Koah, Australia

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents and visitors in Koah, Australia, where the climate is characterized by warm temperatures and abundant sunshine. With UV levels peaking at 10 during midday, awareness of these levels is vital for sunburn prevention and long-term skin health. By staying informed about the UV Index, you can take proactive measures to protect yourself from harmful sun exposure and enjoy the beautiful outdoor environment without compromising your skin’s integrity. Knowing when to seek shade or apply sunscreen can make all the difference as you navigate the typical UV exposure risks that come with Koah's sunny climate.

Hourly UV Index in Koah

The hourly UV Index reveals a dynamic range of sun exposure today. Starting off at a gentle 1 at 7:00 AM, the index steadily climbs, peaking at a striking 10 by 12:00 PM—the peak exposure time. As the sun reaches its zenith, caution is advised for outdoor activities during the 11:00 AM to 1:00 PM window when the index remains high at 9 and 10. Following this midday surge, the index gracefully descends; by 3:00 PM, it dips to 4 and continues to decline to 1 by 5:00 PM. Finally, after a brief respite, the UV rays fade to 0 by 6:00 PM, signaling a safe return for evening outdoor plans. Stay sun-smart and enjoy the day wisely!

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	2	low	45 min
09:00	4	moderate	30 min
10:00	6	high	25 min
11:00	9	very high	15 min
12:00	10	very high	15 min
13:00	9	very high	15 min
14:00	7	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 Koah

Throughout the year, UV Index levels reveal significant seasonal changes that affect exposure risk. The high-risk months for UV exposure include January through April, where the index consistently ranks between 13 and 16, categorizing it as extreme and resulting in a quick burn time of just 10 minutes. As summer approaches, from May to July, the UV Index drops slightly but remains in the very high category, with a burn time extending to 15 minutes. By late summer and into fall (August to November), the index returns to extreme levels again, urging caution. It is essential for both visitors and residents to take protective measures—such as wearing sunscreen, hats, and sunglasses—especially during the high-risk months to mitigate skin damage from UV exposure.

Monthly Maximum UV Index for Koah, Australia

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

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

Koah's solar exposure compared to other cities in Australia. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Melbourne UVI	14	12	11	7	4	3	3	5	7	9	12	14
Adelaide UVI	14	13	12	8	5	3	4	5	7	10	12	15
Sydney UVI	14	13	11	8	5	3	4	6	8	10	12	14
Perth UVI	14	14	11	9	6	4	4	6	8	11	13	14
Brisbane UVI	15	15	13	10	7	5	5	8	9	12	14	15
Koah	16	16	15	13	10	8	10	12	14	15	15	16