UV Index in Quincy, United States

Last updated: June 2, 2025

Staying aware of the UV Index in Quincy, United States, is essential for protecting your skin and overall health. Understanding the UV levels can help prevent sunburn and long-term skin damage, making it a vital part of your outdoor planning. With Quincy’s Csb climate characterized by mild, wet summers and cool, dry winters, residents face unique UV exposure risks—especially during peak sun hours when the index can reach an intense 12. Equip yourself with knowledge about the UV Index to enjoy the sun safely while safeguarding your skin.

Hourly UV Index in Quincy

The UV Index throughout the day presents a fascinating pattern as the sun ascends. At 07:00, the index starts at a gentle 1, indicating minimal risk. However, by 09:00, it climbs to 4, marking the arrival of noticeable sunlight. The real intensity hits its peak at 12:00, soaring to an impressive 11—a cautionary moment for those outdoors. As we move through the afternoon, the index remains elevated, reaching 12 at 13:00 before gradually descending, settling back to 7 by 16:00. The evening sees a return to safer levels with 2 at 18:00 and finally back to 1 as the day wanes at 19:00. This dynamic shift underscores the importance of sun protection during peak hours, particularly from 10:00 to 14:00.

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	7	high	25 min
11:00	9	very high	15 min
12:00	11	extreme	10 min
13:00	12	extreme	10 min
14:00	11	extreme	10 min
15:00	9	very high	15 min
16:00	7	high	25 min
17:00	4	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Quincy

Throughout the year, UV Index levels show significant seasonal variation, indicating changes in sun exposure risk. The highest UV Index occurs from May to August, where values reach extreme levels (11-12), suggesting that July and August are particularly high-risk months with a burn time of just 10 minutes. In contrast, the coldest months like January and December have a much lower index (3), categorized as moderate, with a burn time of 30 minutes. Visitors and residents should take precautions during the spring and summer months by seeking shade, wearing protective clothing, and applying sunscreen to minimize the risk of sunburn and long-term skin damage as UV exposure can be hazardous even on cloudy days.

Monthly Maximum UV Index for Quincy, United States

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

The table above highlights how UV exposure in Quincy 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.

Quincy'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
Quincy	3	5	8	9	11	12	11	11	9	7	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