UV Index in Katherine, Australia

Last updated: August 1, 2025

In Katherine, Australia, staying informed about the UV Index is crucial for protecting your skin and overall health. Understanding UV levels helps you take proactive measures against sunburn and long-term skin damage, especially in this region, where the climate can result in high UV exposure. With peak levels often reaching a dramatic 10 around midday, it’s vital to monitor daily UV fluctuations to ensure safe outdoor activities and to maintain skin health. Equip yourself with the knowledge to enjoy the sun while minimizing risks, keeping in mind the unique challenges posed by Katherine's hot, sunny climate.

Hourly UV Index in Katherine

The UV Index throughout the day showcased a dynamic pattern, peaking sharply during the midday hours. Beginning at a low of 1 at 07:00, it steadily climbed, reaching 2 by 08:00. A significant surge occurred between 09:00 and 12:00, where it soared to an impressive 10 at its highest, indicating very high exposure risk. The intensity began to wane post-lunch, dropping to 8 at 14:00, and declining further to 5 and then 2 by late afternoon. As evening approached, the index fell to 1 at 17:00 and eventually settled at 0 after 18:00, signaling a retreat from the sun's harmful rays. If you’re planning outdoor activities, the peak hours, particularly between 11:00 and 13:00, call for protective measures!

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	2	low	45 min
09:00	5	moderate	30 min
10:00	8	very high	15 min
11:00	11	extreme	10 min
12:00	12	extreme	10 min
13:00	12	extreme	10 min
14:00	9	very high	15 min
15:00	5	moderate	30 min
16:00	2	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 Katherine

Throughout the year, seasonal UV changes indicate a consistent high risk for sun exposure, particularly from January to November, where the UV Index remains in the extreme category, often reaching as high as 16 and requiring only 10 minutes for potential sunburn. The months of February and November also maintain an extreme level, making them high-risk months for sun exposure. Even during the summer months, while the UV Index drops slightly to around 9 and 10 in June and July, caution is still advised. Visitors and residents should ensure they protect their skin during these high UV periods, using sunscreen, wearing protective clothing, and seeking shade whenever possible to minimize the risk of UV-related health issues.

Monthly Maximum UV Index for Katherine, Australia

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

The table above highlights how UV exposure in Katherine 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.

Katherine'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
Brisbane UVI	15	15	13	10	7	5	5	8	9	12	14	15
Katherine	16	16	15	13	11	9	10	12	15	15	16	16