UV Index in Andover, United States

Last updated: June 2, 2025

Understanding the UV Index in Andover, United States, is crucial for protecting your skin and overall health from harmful ultraviolet rays. As levels can soar to 11 during midday hours, awareness of UV exposure is essential for effective sunburn prevention and maintaining long-term skin health. Given Andover's humid continental climate (Dfa), with relatively high UV levels in the summer months, residents should remain vigilant about sun safety to enjoy outdoor activities without compromising their skin. Knowing when to seek shade or apply sunscreen can make a significant difference in your skin's resilience against UV-related damage.

Hourly UV Index in Andover

The UV Index data highlights a dramatic rise in sun intensity as the day progresses. Starting early at 1 around 7:00 AM, it gradually climbs to 10 by noon, peaking at a staggering 11 at 1:00 PM. This is the moment when UV exposure becomes most concerning, emphasizing the importance of sun protection. As the afternoon unfolds, the index gracefully tapers down, dipping to 8 by 3:00 PM and further declining to 4 by 5:00 PM. By the time evening rolls in, the UV Index settles back to 1 at 7:00 PM, signaling a reprieve from the midday sun. This data can be a crucial guide for planning outdoor activities safely throughout the day.

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	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	4	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Andover

Throughout the year, UV exposure varies significantly, with the highest risk months occurring from April to September when the index reaches very high to extreme levels. Specifically, June stands out with a UV Index of 11, where a mere 10 minutes of unprotected sun exposure can lead to skin damage. In contrast, during the winter months of January and February, the UV Index remains lower, categorized as moderate, allowing for a safer 30-minute burn time. Visitors and residents are advised to take necessary precautions during high-risk months, such as applying broad-spectrum sunscreen, wearing protective clothing, and seeking shade during peak sunlight hours, to minimize their risk of UV-related skin damage.

Monthly Maximum UV Index for Andover, United States

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

The table above highlights how UV exposure in Andover 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.

Andover'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
Andover	3	5	6	8	9	11	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