UV Index in Holbrook, Australia

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in Holbrook, Australia, where exposure to ultraviolet rays can impact skin health and increase the risk of sunburn. With a Cfa climate, Holbrook experiences varying UV levels throughout the day, peaking around noon when values reach 3. Being informed about these levels helps you take proactive measures to protect your skin from potential harm during outdoor activities. Whether you're enjoying a sunny afternoon or gardening in the warmer months, keeping an eye on the UV Index can make all the difference in safeguarding your health against the sun's powerful rays.

Hourly UV Index in Holbrook

The UV Index throughout the day offers a clear insight into solar intensity, peaking at 3 between 11:00 AM and 1:00 PM, signaling moderate sun exposure. The day begins with 0 UV at 7:00 AM, gradually rising to 1 by 8:00 AM and maintaining a low level until 10:00 AM. As the sun climbs higher, the index reaches 2 by mid-morning and then stabilizes at 3 during the lunch hours, suggesting the need for sun protection. By mid-afternoon, numbers dip back to 2 and diminish further to 1 as the evening approaches. Finally, the UV Index returns to 0 after 6:00 PM, marking a transition into a safer time to enjoy the outdoors without risk of sunburn.

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	1	low	45 min
10:00	2	low	45 min
11:00	3	moderate	30 min
12:00	3	moderate	30 min
13:00	3	moderate	30 min
14:00	2	low	45 min
15:00	2	low	45 min
16:00	1	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 Holbrook

Throughout the year, UV levels fluctuate significantly, with January to March and November to December marking the high-risk months for sun exposure due to extreme UV Index values of 14 and 13. During these months, a mere 10 minutes of exposure can lead to skin damage. In April and September to October, the UV Index remains dangerously high at 8 to 10, classified as very high, where 15 minutes of exposure may result in burns. As we move into May through July, UV levels decrease to moderate (3 to 5), allowing for safer exposure of 30 minutes. To ensure skin safety, residents and visitors should prioritize sun protection strategies during the extreme and very high months, such as wearing sunscreen, protective clothing, and seeking shade during peak hours.

Monthly Maximum UV Index for Holbrook, Australia

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

The table above highlights how UV exposure in Holbrook 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.

Holbrook'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
Holbrook	14	13	12	8	5	3	3	5	8	10	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