Last updated: June 2, 2025
In Manchester, United States, being aware of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels helps you take proactive measures to prevent sunburn and reduce the risk of long-term skin damage, especially during peak sunlight hours. With a Cfa climate, Manchester experiences significant variations in UV exposure throughout the day, peaking at a dramatic 11 around midday. As you enjoy the sunshine, staying informed about these UV levels ensures you can enjoy outdoor activities safely while safeguarding your skin’s health.
The UV Index for the day reveals a dynamic shift in sun exposure, starting off low in the early morning hours with values of 1 at both 7:00 and 8:00. As the sun climbs higher, the index ramps up, peaking at an intense 11 between 13:00 and 14:00—a clear signal for sun safety measures. This period of maximum intensity comes after a sharp rise from 3 at 9:00 to a notable 7 at 11:00. The afternoon provides a gradual decline, with levels falling to 9 by 15:00, then tapering off to 3 by 18:00 before returning to a safe 1 at 19:00. It's a solid reminder to stay protected during peak hours!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 1 | low | 45 min |
09:00 | 3 | moderate | 30 min |
10:00 | 5 | moderate | 30 min |
11:00 | 7 | high | 25 min |
12:00 | 10 | very high | 15 min |
13:00 | 11 | extreme | 10 min |
14:00 | 11 | extreme | 10 min |
15:00 | 9 | very high | 15 min |
16:00 | 7 | high | 25 min |
17:00 | 5 | moderate | 30 min |
18:00 | 3 | moderate | 30 min |
19:00 | 1 | low | 45 min |
Throughout the year, UV Index levels exhibit noteworthy seasonal changes, with high-risk months identified from March to August, when exposure reaches very high or extreme levels. In March and April, the UV Index peaks at 9 and 10, respectively, indicating a transition into the more hazardous summer months. May through August experience the highest UV Index of 11, categorized as extreme, which necessitates diligent sun protection within a burn time of just 10 minutes. As September and October arrive, UV levels remain considerable, with a very high index of 9 and 8, and slowly tapering off towards the end of the year. It is crucial for both visitors and residents to take appropriate precautions during these months, such as wearing sunscreen, protective clothing, and seeking shade during peak hours to minimize the risk of UV-related skin damage.
UV Risk Categories
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 |
Los Angeles UVI | 4 | 6 | 8 | 9 | 10 | 11 | 11 | 10 | 10 | 7 | 5 | 4 |
Manchester | 4 | 7 | 9 | 10 | 11 | 11 | 11 | 11 | 9 | 8 | 6 | 4 |
Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |