UV Index in Franklin, United States

Last updated: June 2, 2025

Understanding the UV Index in Franklin, United States is crucial for protecting your skin from harmful ultraviolet rays. With Franklin’s Dfa climate, characterized by hot summers and colder winters, UV exposure can significantly vary throughout the year. Knowing the UV levels helps residents and visitors prevent sunburn and maintain skin health, especially when peak indices reach up to 11 around midday. By staying informed on the UV Index, you can enjoy the beautiful sunny days in Franklin while keeping yourself safe from potential damage. Don't underestimate the power of the sun—awareness is your best defense!

Hourly UV Index in Franklin

The UV Index steadily climbs as the day progresses, starting from a mild 1 at 7:00 AM and reaching a peak of 11 by 1:00 PM. Sun-seekers and outdoor enthusiasts should be mindful, as the index hits a high of 10 at 12:00 PM, signaling significant UV exposure. After this peak, the index gradually decreases, dropping to 8 by 3:00 PM, and continuing to decline to 1 by 7:00 PM. For safe sun enjoyment, it’s best to take precautions during those high UV hours, particularly between 11:00 AM and 2:00 PM. Remember to sport your hats and sunscreen!

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

Monthly UV Index Trends in Franklin

Throughout the year, UV index levels fluctuate significantly, peaking during the summer months of June and July with an extreme UV index of 11 and a minimal burn time of just 10 minutes. The high-risk months for sun exposure are April to September, where the UV index often reaches very high to extreme levels, drastically reducing recommended safe exposure times. Residents and visitors should take precautions during these months by applying sunscreen regularly, wearing protective clothing, and seeking shade during peak sun hours. As the year progresses into the fall and winter months, the UV index decreases to moderate levels, particularly in January and December, allowing for safer outdoor activities with less risk of sunburn.

Monthly Maximum UV Index for Franklin, United States

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

The table above highlights how UV exposure in Franklin 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.

Franklin'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
Franklin	3	6	7	9	10	11	11	9	9	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