UV Index in Falmouth, United States

Last updated: May 3, 2025

In Falmouth, United States, awareness of the UV Index is crucial for safeguarding your skin and overall health. Understanding daily UV levels can help you take proactive measures against sunburn and long-term skin damage. Given Falmouth's Cfa climate, where summers can bring intense sunlight, the potential for elevated UV exposure is significant, particularly during midday hours when the UV Index peaks at a startling 10. Staying informed about these levels empowers residents and visitors alike to enjoy the sunshine safely while protecting their skin from harmful effects.

Hourly UV Index in Falmouth

At dawn, the UV Index starts at a mild level of 1 at 07:00 and 08:00, making it safe for outdoor activities. However, as the sun climbs higher, the intensity begins to rise dramatically. By 09:00, it reaches 3, and by 10:00, it escalates to 4. The peak occurs between 12:00 and 14:00, soaring to a blistering 10, indicating a high risk for skin damage. As the afternoon wanes, the index starts to dip, dropping to 9 at 15:00 and gently declining to 6 by 16:00. As the sun sets, the UV Index returns to more manageable levels, ending the day at 1 by 19:00. It's essential to stay protected during peak hours for optimal safety!

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	4	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	9	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 Falmouth

Throughout the year, UV exposure changes significantly, with high-risk months identified from April to September, when the UV Index reaches notably high levels of 9 to 10. During these months, burn times are critically reduced to just 15 minutes, requiring extra caution. March marks the transition to higher UV levels, with an index of 7 and a 25-minute burn time, while January and February begin with a moderate UV Index of 3 to 5 and longer burn times of 30 minutes. As we move into the fall, UV exposure decreases, dropping to 4 in November and 3 in December. Visitors and residents are advised to protect their skin by wearing sunscreen, protective clothing, and seeking shade, particularly during high-risk months, to minimize the risk of UV-related skin damage.

Monthly Maximum UV Index for Falmouth, United States

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

The table above highlights how UV exposure in Falmouth 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.

Falmouth'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
Falmouth	3	5	7	9	10	10	10	9	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