UV Index in Merrigum, Australia

Last updated: August 1, 2025

Understanding the UV Index in Merrigum, Australia is crucial for safeguarding your skin health and preventing sunburn. During sunny days, UV levels can rise significantly, even in the temperate climate of Merrigum's Cfa zone, where peaks at midday can reach a moderate 3 on the index. By being aware of the UV Index, residents and visitors can make informed decisions about sun protection, ensuring enjoyable outdoor activities while minimizing the risk of skin damage. Stay vigilant and embrace the sun safely!

Hourly UV Index in Merrigum

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	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	5	moderate	30 min
13:00	5	moderate	30 min
14:00	4	moderate	30 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 Merrigum

Throughout the year, the UV Index demonstrates significant seasonal fluctuations, with January and December peaking at an extreme 15 and 14, respectively, indicating a high risk of harm from unprotected sun exposure. February and November also remain high, with UV Index values of 12. The months of March and October show considerable risk as well, marked by UV Index levels of 11 and 10, respectively. As we transition into warmer months, the UV Index decreases to 7 in April and September while staying moderate at 5 during May and August and further dropping to 3 in June and July. Therefore, for visitors and residents, it is crucial to remain vigilant during high-risk months like January, February, March, October, November, and December by wearing protective clothing, applying sunscreen, and seeking shade when necessary to mitigate the dangers of excessive UV exposure.

Monthly Maximum UV Index for Merrigum, Australia

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

The table above highlights how UV exposure in Merrigum 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.

Merrigum'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
Merrigum	14	12	11	7	5	3	3	5	7	10	12	15
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