UV Index in Sidney, United States

Last updated: June 2, 2025

Understanding the UV Index is crucial for the residents of Sidney, United States, where the climate often brings long, sunny days typical of a semi-arid zone. With peak UV levels reaching as high as 11 around midday, awareness of these exposure risks is vital for sunburn prevention and maintaining skin health. By monitoring the UV Index, you can better protect yourself and your loved ones from harmful rays, ensuring you enjoy the beautiful environment of Sidney without compromising your well-being.

Hourly UV Index in Sidney

The UV index throughout the day presents a clear picture of sun intensity, peaking in the early afternoon. Starting from a modest 1 at 07:00, the index steadily climbs, reaching 9 by 11:00 and peaking at an impressive 11 between 12:00 and 13:00. This signifies extreme caution is needed during these hours, as UV levels are at their highest. As the day progresses, a gradual decline begins; the index drops to 10 at 14:00, then further to 8 by 15:00, and continues to decrease to 1 by 19:00. This data highlights the importance of protective measures during midday hours when UV radiation is 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	2	low	45 min
09:00	5	moderate	30 min
10:00	7	high	25 min
11:00	9	very high	15 min
12:00	11	extreme	10 min
13:00	11	extreme	10 min
14:00	10	very high	15 min
15:00	8	very high	15 min
16:00	6	high	25 min
17:00	3	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Sidney

Throughout the year, UV exposure varies significantly, with high-risk months typically occurring from March to September. During these months, particularly in April through July, the UV index reaches notably high levels, peaking at 11, which indicates extreme exposure risks and a quick burn time of just 10 minutes. As the seasons shift, visitors and residents should be particularly vigilant from May to August, when protective measures such as sunscreen, hats, and seeking shade are essential to prevent skin damage. In contrast, January, November, and December present a moderate UV index of 3-4, allowing for longer burn times of 30 minutes, though sunscreen should still be applied. Staying informed about these UV changes can help ensure safe outdoor activities year-round.

Monthly Maximum UV Index for Sidney, United States

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

The table above highlights how UV exposure in Sidney compares to other major locations across United States. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Sidney's solar exposure compared to other cities in United States. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Chicago UVI	3	4	6	8	9	10	10	9	8	6	4	2
Brooklyn UVI	3	5	6	8	10	10	9	9	8	6	4	2
New York City UVI	3	5	6	8	10	10	9	9	8	6	4	2
Sidney	3	5	7	9	10	11	11	10	9	6	4	3
Los Angeles UVI	4	6	8	9	10	11	11	10	10	7	5	4
Houston UVI	5	8	9	11	11	12	12	11	10	9	7	5