UV Index in Hanover, United States

Last updated: May 3, 2025

In Hanover, United States, being aware of the UV Index is crucial for protecting your skin and overall health. Understanding the daily fluctuations of UV levels helps residents and visitors alike stay informed about sunburn risks and make safer choices when enjoying the great outdoors. With a Cfa climate that brings warm summers, the UV exposure can be significantly high, peaking at 10 around midday. By staying vigilant and taking protective measures when UV levels rise, you can enjoy Hanover's sunny days while keeping your skin safe from harmful effects.

Hourly UV Index in Hanover

The UV Index today presents a definite peak during midday, with readings starting at a mild 1 at 07:00. As the day progresses, it climbs steadily, reaching 10 by noon and at 13:00, signaling an intense risk for sun exposure. Be prepared if you're outdoors during these hours! After this peak, the index gradually tapers off, descending to 6 by 16:00 and a gentle 1 by 19:00. It's a classic example of a sunny day where protection is essential, especially during the midday hours when the sun's rays are at their strongest. Enjoy the sunshine, but stay safe!

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	3	moderate	30 min
10:00	6	high	25 min
11:00	8	very high	15 min
12:00	10	very high	15 min
13:00	10	very high	15 min
14:00	9	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 Hanover

Throughout the year, ultraviolet (UV) radiation levels fluctuate significantly, influencing exposure risks for both residents and visitors. January to February begins with a moderate UV Index of 3, increasing to 6 in February, indicating higher caution is needed as the potential for skin damage grows. By March, the Index reaches 7, and from April through September, it peaks at a very high level of 9 to 10, particularly in the summer months of May, June, July, and August. These months represent the highest-risk periods for UV exposure, with a critical burn time of just 15 minutes. As the year progresses, October sees a decrease to a high level of 7, followed by a return to moderate levels in November (5) and December (3). It is crucial for everyone to take precautions during high-risk months, such as wearing sunscreen, protective clothing, and seeking shade to mitigate the risk of UV-related health issues.

Monthly Maximum UV Index for Hanover, United States

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

The table above highlights how UV exposure in Hanover 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.

Hanover'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
Hanover	3	6	7	9	10	10	10	10	8	7	5	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