UV Index in Portland, Australia

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents and visitors in Portland, Australia, where sun exposure can vary significantly throughout the day. By staying informed about UV levels, you can effectively prevent sunburn and protect your skin health, especially during peak hours when the index reaches up to 5 between 11 AM and 1 PM. Portland's Cfb climate offers a mix of cool temperatures and sunny days, but even on milder days, UV radiation can still pose risks. Embracing UV awareness not only promotes a healthier lifestyle but also ensures you can enjoy the beautiful outdoors safely.

Hourly UV Index in Portland

The UV Index for today reveals a dynamic day filled with fluctuating sun exposure. Early morning hours start off mild, with levels at 1 from 07:00 to 08:00, ideal for gentle outdoor activities. As the sun climbs, the index rises to 2 by 09:00 and peaks at 5 between 11:00 and 13:00, signaling a strong need for sunscreen and protective gear during midday. Fortunately, the intensity begins to dip after 14:00, descending back to 3 and eventually settling at 1 by late afternoon. As twilight approaches, the UV Index falls to 0, providing a safe window for evening strolls. Remember to stay protected when the sun is at its strongest!

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	4	moderate	30 min
11:00	5	moderate	30 min
12:00	5	moderate	30 min
13:00	5	moderate	30 min
14:00	3	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 Portland

Throughout the year, UV levels fluctuate significantly, with January, February, March, October, November, and December classified as high-risk months due to their extreme UV Index ratings, all peaking at 15 and requiring only 10 minutes of exposure before risking burns. As the year progresses, April and September feature very high UV readings of 8 (burn time 15 minutes), while May and August see moderate sector shifts to high (UV Index 6; burn time 25 minutes). The summer months of June and July present a slight respite with moderate UV levels of 4, allowing for 30 minutes of safe exposure. Given these variations, it is crucial for both visitors and residents to stay vigilant about sun protection, especially during the extreme months, by wearing adequate sunscreen, protective clothing, and seeking shade to minimize UV exposure risks.

Monthly Maximum UV Index for Portland, Australia

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

The table above highlights how UV exposure in Portland 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.

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