UV Index in Saint Marys, Australia

Last updated: July 2, 2025

Understanding the UV Index in Saint Marys, Australia is crucial for safeguarding your skin health and preventing sunburn. With a temperate Cfb climate, residents and visitors alike must stay informed about daily UV levels to enjoy the outdoors safely. During peak hours, even low UV readings (peaking at just 2 between 10 AM and 2 PM) can pose risks, making it essential to understand and monitor these levels. By taking simple precautions based on the UV Index, you can protect yourself from long-term skin damage while enjoying the beautiful Australian sun.

Hourly UV Index in Saint Marys

From the early hours of the day, the UV Index starts at 0 at 7:00 AM, indicating minimal risk. As the sun climbs higher, it gradually increases to 2 by 10:00 AM, peaking at 2 from 10:00 AM to 2:00 PM, which suggests a moderate risk for harm from unprotected sun exposure. After a brief peak, the index begins to decline again, returning to 1 by 3:00 PM and dropping to 0 by 5:00 PM, signaling a safe time to be outdoors without sun protection. Overall, it's a fairly mild day for UV exposure, making it a good time for outdoor activities—but remember to stay mindful of the midday sun!

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	2	low	45 min
12:00	2	low	45 min
13:00	2	low	45 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 Saint Marys

The UV Index exhibits significant seasonal variation, with the highest risk months occurring in January, February, and December, where the index reaches a peak of 13, categorizing exposure as extreme and requiring a burn time of just 10 minutes. Following these months, March and November also present very high risks with indices of 9 and 10, and burn times of 15 minutes. As summer transitions into fall, the UV Index declines, dropping to 2 in June and July, indicative of low risk, while August sees a slight increase to 4 (moderate). As such, it is essential for both visitors and residents to take extra precautions during the extreme months by wearing protective clothing, applying sunscreen, and limiting sun exposure to prevent skin damage. In contrast, during the lower index months, sun safety measures can be relaxed but should still be practiced, especially during peak midday hours.

Monthly Maximum UV Index for Saint Marys, Australia

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

The table above highlights how UV exposure in Saint Marys 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.

Saint Marys'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
Saint Marys	13	11	9	6	3	2	2	4	6	8	10	13
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