UV Index in Blue Hill, United States

Last updated: May 3, 2025

In Blue Hill, United States, awareness of the UV Index is crucial for maintaining optimal skin health and preventing sunburn. The UV levels in this charming town vary throughout the day, peaking at a significant 10 around midday. Understanding these fluctuations is essential, especially considering Blue Hill's Dfa climate, which often brings clear skies and increased sun exposure risks. Being informed about the UV Index can help you take necessary precautions, enjoy outdoor activities safely, and protect your skin from harmful effects. So, before you step outside, check the UV Index to ensure you're prepared to enjoy the sun responsibly!

Hourly UV Index in Blue Hill

As the sun rises, the UV Index begins its gentle ascent, starting at 1 at 07:00. By 09:00, it climbs to 3, hinting at the day's potential for sun exposure. The heat peaks around 12:00, reaching a blistering 9, and hits its maximum at 13:00 and 14:00, both at a high of 10—a critical time for sun safety. As the afternoon transitions to evening, the UV Index gradually dips; by 18:00, it's down to 2, and as twilight approaches, it settles back at 1 by 19:00. Plan your outdoor activities wisely to stay safe in the sun!

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	1	low	45 min
09:00	3	moderate	30 min
10:00	5	moderate	30 min
11:00	7	high	25 min
12:00	9	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	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 Blue Hill

The UV Index experiences significant fluctuations throughout the year, with critical changes occurring from March to September. The high-risk months for UV exposure are April through August, where the index peaks at 11 in June and July, indicating an extreme exposure category with a burn time of just 10 minutes. Visitors and residents should take precautions during these months by wearing protective clothing, applying sunscreen regularly, and seeking shade during peak hours. As the index decreases in the fall and winter, particularly in January, February, and November, it remains essential to stay vigilant as UV levels can still pose moderate risks, especially at midday.

Monthly Maximum UV Index for Blue Hill, United States

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

The table above highlights how UV exposure in Blue Hill 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.

Blue Hill'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
Blue Hill	3	5	6	9	10	11	11	10	8	6	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