UV Index in Oswego, United States

Last updated: June 2, 2025

Understanding the UV Index in Oswego, United States is crucial for protecting your skin and maintaining overall health in this vibrant community. With the UV levels peaking at a dangerous 10 during midday hours, being aware of the risks can help you prevent painful sunburns and long-term skin damage. The climate here, classified as Dfa, brings warm summers that elevate UV exposure significantly, making it essential to stay informed about the UV Index. By checking local UV levels, residents can take proactive measures to enjoy the sun while safeguarding their skin and wellbeing.

Hourly UV Index in Oswego

The UV Index for today exhibits a clear rise in intensity as the sun reaches its peak. Starting from a gentle 1 at 07:00, the index climbs steadily, touching 2 by 08:00 before surging to 4 at 09:00. The real intensity kicks in around 10:00, where it peaks at a blazing 10 between 12:00 and 14:00, indicating a critical level of solar radiation. As the afternoon wanes, the index starts to dip, marking 8 at 15:00 before descending to 3 by 17:00. As evening approaches, the UV level recedes to 1 by 19:00, signaling a safer time for outdoor activities as the sun sets. Stay sun-smart!

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	4	moderate	30 min
10:00	6	high	25 min
11:00	9	very high	15 min
12:00	10	very high	15 min
13:00	10	very high	15 min
14:00	10	very high	15 min
15:00	8	very high	15 min
16:00	5	moderate	30 min
17:00	3	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Oswego

Throughout the year, UV index levels fluctuate significantly, with notable increases during the warmer months. January and February experience a moderate UV index of 3 and 4, allowing for a 30-minute burn time under the sun. As the seasons transition into March and onward, the risk escalates, peaking in June and July with a maximum UV index of 10—classifying these months as high-risk. During these summer months, individuals are advised to limit sun exposure to just 15 minutes to prevent skin damage. The trend continues with August and September maintaining high levels (UV index of 9 and 8 respectively) before tapering off in October (UV index 6) and returning to moderate levels in November and December (UV index of 4 and 2). Residents and visitors should prioritize sun protection, especially during the peak months of April through September.

Monthly Maximum UV Index for Oswego, United States

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

The table above highlights how UV exposure in Oswego 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.

Oswego'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
Oswego	3	4	6	8	9	10	10	9	8	6	4	2
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