UV Index in Grafton, Australia

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in Grafton, Australia, where the subtropical climate offers plenty of sunshine but also increased risks of UV exposure. Awareness of UV levels is essential not just for preventing painful sunburns, but also for maintaining long-term skin health. As UV levels peak at midday, reaching a maximum of 5 around noon, Grafton residents should take proactive measures to safeguard themselves from harmful effects. With typical summer weather leading to heightened UV exposure, knowing the UV Index can help you enjoy the beautiful outdoors safely.

Hourly UV Index in Grafton

The UV Index throughout the day follows a distinct pattern, with the intensity peaking at 12:00 PM when it reaches a noteworthy level of 5. Morning hours start off mild, with values of 1 at 07:00 and 08:00, gradually escalating to 2 by 09:00, then climbing to 4 at 11:00. Post-noon, the index slightly decreases, falling to 4 again at 13:00, before tapering off to 2 by 15:00. As the day winds down, the levels drop significantly, plunging to 0 by 19:00. This highlights the importance of sun protection during the midday hours when UV radiation 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	3	moderate	30 min
11:00	4	moderate	30 min
12:00	5	moderate	30 min
13:00	4	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 Grafton

The UV Index exhibits significant seasonal variation, with extreme levels in the winter months of January, February, and December, as well as in March, October, and November, where the burn time is as brief as 10 minutes. The months of April and September experience very high exposure, with burn times extending to 15 minutes. As we transition into May, August, and June, the exposure decreases to high and moderate categories, allowing for longer burn times of 25 and 30 minutes, respectively. Visitors and residents should take precautionary measures during the high-risk months of January, February, March, October, and November by seeking shade, wearing protective clothing, and using sunscreen to minimize skin damage.

Monthly Maximum UV Index for Grafton, Australia

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

The table above highlights how UV exposure in Grafton 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.

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