UV Index in Whyalla, Australia

Last updated: June 2, 2025

In Whyalla, Australia, staying aware of the UV Index is crucial for safeguarding your skin against harmful ultraviolet radiation. Understanding UV levels helps prevent sunburn and long-term skin damage, ensuring you enjoy the outdoors safely. Whyalla's semi-arid climate brings numerous sunny days, often leading to an increase in UV exposure, particularly around midday when levels peak at 4. Whether you're relaxing at the beach or engaging in outdoor activities, keeping an eye on the UV Index is key to maintaining your skin health and enjoying the beautiful South Australian sun responsibly.

Hourly UV Index in Whyalla

The daily UV Index begins its ascent gently at 07:00, measuring a low 1, and maintains this soft level until 09:00. As the sun climbs higher, the index peaks at 4 between 11:00 and 12:00, signaling a worthwhile moment for sun protection. The afternoon sees a slight dip, with readings falling to 3 at 13:00 and then gradually decreasing to 2 by 14:00. As the sun begins to set, the index retreats further, dipping to a modest 1 from 15:00 to 16:00, and finally dropping to 0 by 17:00, indicating safe conditions for outdoor activities as the day winds down. Remember to stay sun-safe during 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	2	low	45 min
10:00	3	moderate	30 min
11:00	4	moderate	30 min
12:00	4	moderate	30 min
13:00	3	moderate	30 min
14:00	2	low	45 min
15:00	1	low	45 min
16:00	1	low	45 min
17:00	0	low	45 min
18:00	0	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Whyalla

Throughout the year, the UV Index in the region exhibits significant seasonal variations. The highest risk months are from January to March and during October to December, where the UV Index remains in the extreme category (values ranging from 14 to 15) with a short burn time of just 10 minutes. April and September see a decrease to very high levels (UV Index 9 and 8 respectively), with burn times extending to 15 minutes, while May and August are categorized as high (UV Index 6) with burn times of 25 minutes. Mid-summer months, specifically June and July, have a moderate index (UV Index 4) allowing for 30 minutes before burning occurs. Visitors and residents are strongly advised to take precautions during high-risk months by applying sunscreen, wearing protective clothing, and seeking shade to mitigate the chances of sunburn and skin damage.

Monthly Maximum UV Index for Whyalla, Australia

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

The table above highlights how UV exposure in Whyalla 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.

Whyalla'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
Whyalla	15	14	12	9	6	4	4	6	8	11	13	15
Brisbane UVI	15	15	13	10	7	5	5	8	9	12	14	15