UV Index in Stratford, United States

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents of Stratford, United States, where sunny days and high UV levels can pose significant risks to skin health. By staying informed about UV levels, you can effectively prevent sunburn and long-term skin damage, ensuring you enjoy the outdoors safely. Stratford's BSk climate brings a mix of sun and moderate conditions, but the UV exposure can spike sharply, especially during midday hours—reaching a peak of 12 between 1 PM and 2 PM. Awareness of these patterns helps you take the necessary precautions, so embrace the sun wisely and protect your skin!

Hourly UV Index in Stratford

As the day unfolds, the UV Index rises steadily, starting with a mild 1 at 07:00 and 08:00. By 09:00, it climbs to a 2, but things heat up quickly as we approach midday. The index surges to 4 at 10:00, leading to a peak of 11 at 13:00 and hitting an intense 12 at 14:00—the highest recorded in the day. Safeguarding against sun exposure is crucial during these hours, particularly from 11:00 to 15:00, when UV levels are most hazardous. As the afternoon fades, the number gradually drops, cooling to 8 at 16:00, and finally settling at a comfortable 2 by 19:00. Remember to take precautionary measures during the peak hours!

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	2	low	45 min
10:00	4	moderate	30 min
11:00	7	high	25 min
12:00	10	very high	15 min
13:00	11	extreme	10 min
14:00	12	extreme	10 min
15:00	11	extreme	10 min
16:00	8	very high	15 min
17:00	6	high	25 min
18:00	3	moderate	30 min
19:00	2	low	45 min

Monthly UV Index Trends in Stratford

Throughout the year, the UV Index exhibits significant seasonal variations, peaking during the summer months of May to August, where it reaches extremes of 11 to 12. The highest risk occurs in May, June, and July, with burn times as short as 10 minutes under these conditions. March and April also present considerable UV exposure, categorized as very high, with burn times of just 15 minutes. Visitors and residents should exercise caution from late winter through summer, especially during these high-risk months, by seeking shade, wearing protective clothing, and applying broad-spectrum sunscreen regularly to minimize the risk of skin damage. As the season transitions into fall and winter, UV levels decrease, offering more moderate exposure from October to December.

Monthly Maximum UV Index for Stratford, United States

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

The table above highlights how UV exposure in Stratford 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.

Stratford'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
Los Angeles UVI	4	6	8	9	10	11	11	10	10	7	5	4
Stratford	4	6	8	10	11	12	12	11	10	7	5	3
Houston UVI	5	8	9	11	11	12	12	11	10	9	7	5