UV Index in Scranton, United States

Last updated: July 2, 2025

In Scranton, understanding the UV Index is crucial for protecting your skin and overall health from harmful sun exposure. With high levels peaking at 10 during midday hours, awareness of UV levels can help you prevent painful sunburns and long-term skin damage. Scranton's Dfa climate brings distinct seasonal variations, but sunny days in the summer can pose significant risks if safety precautions aren’t taken. By regularly checking the UV Index, you're taking an important step toward safeguarding your skin while enjoying the great outdoors!

Hourly UV Index in Scranton

The UV index begins its ascent at 07:00, starting at a gentle 1, then climbs gradually through the morning. By 10:00, it reaches a moderate 5, but from 11:00 onwards, the sun's intensity becomes pronounced, peaking at an impressive 10 between 13:00 and 14:00. After this zenith, the index dips to 8 at 15:00 and continues its decline, settling back to 2 by 18:00. As the day winds down into the evening, the UV index drops to a low 1 by 19:00, signaling a return to safer sun exposure levels. Enjoy the sunshine while staying protected during the high points!

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	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 Scranton

The UV Index experiences significant seasonal fluctuations, with the highest levels occurring during the summer months. March and April see an uptick as the UV Index rises from 5 to 8, marking the beginning of high-risk periods. May through August represent the peak risk months, where UV Index values reach extremely high levels (up to 11 in June), necessitating strong sun protection measures. Visitors and residents are advised to limit sun exposure, especially between 10 AM and 4 PM, when UV radiation is at its strongest. During these high-risk months, protective clothing, sunscreen, and seeking shade are essential precautions to prevent sunburn and long-term skin damage. As autumn arrives in September, the UV Index begins to gradually decline, but caution is still advisable, particularly in October with a still moderately high index of 6.

Monthly Maximum UV Index for Scranton, United States

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

The table above highlights how UV exposure in Scranton 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.

Scranton'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
Scranton	3	5	5	8	9	11	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